ARMY MIL-H-44308 A-1988 HOOD AND SOCKS EXTREME COLD WEATHER SLEEPING SYSTEM (ECWSS)《 极冷天气睡眠系统用帽和袜(ECWSS)》.pdf

1、MIL-H-44308A 27 April 1988 SUPERSEDING MIL-H-44308(GL) 29 January 1988 MILITARY SPECIFICATION HOOD AND SOCKS, EXTREME COLD WEATHER SLEEPING SYSTEM (ECWSS) This specification is approved for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This document covers a p

2、olyester fiberpile hood and a pair of polyester fiberpile socks, 2. APPLICABLE DOCUMENTS 2.1 Government documents. f: 2.1.1 Specifications, standards, and handbooks. The following specifi- cations, standards, and handbooks form a part of this specification to the extent specified herein. Unless othe

3、rwise specified, the issues of these documents shall be those listed in the issue of the Department of Defense Index of Specifications and Standards (DODISS) and supplement thereto, cited in the solicitation. SPECIFICATIONS FEDERAL DDD-L-20 - Label: For Clothing, Equipage and Tentage, PPP-B-636 - Bo

4、xes, Shipping, Fiberboard (General Use) Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: U.S. Army Natick Research, Development, and Engineering Center, Natick, MA 01760-5014 by using the self-ad

5、dressed Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter. AMSC N/A FSC 0465 DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. 7 THIS DOCUMENT CONTAINS / 3 PAGES. Provided by IHSNot for ResaleNo reproductio

6、n or networking permitted without license from IHS-,-,-MIL-H-44308A MIL I TARY MIL-L-35078 - Loads, Unit; Preparation of Semiperishable Subsistence Items; Clothing, Personal Equipment and Equipage: General Specification For STANDARDS FEDERAL FED-STD-751 - Stitches, Seams, and Sttchngs MILITARY MIL-S

7、TD-105 - Sampling Procedures and Tables for Inspection by MIL-STD-129 - Marking for Shipment and Storage MIL-STD-147 - Palletized Unit Loads MIL-STD-731 - Quality of Wood Members for Containers and Pallets MIL-STD-1491 - Glossary of Knitting Imperfections Attributes DRAWINGS U. S. ARMY NATICK RESEAR

8、CH, DEVELOPMENT, AND ENGINEERING CENTER 2-2-451 - Hood,Extreme Cold Weather Sleeping System 2-2-454 - Socks, Extreme Cold Weather Sleeping System (Copies of specifications, standards, and handbooks required by contractors in connection with specific acquisition functions should be obtained from the

9、contracting activity or as directed by the contracting activity.) 2.2 Other publications. The following documents form a part of this specifi- cation to the extent specified herein. Unless otherwise specified, the issues of the documents which are DOD adopted shall be those listed in the issue of th

10、e DODISS specified in the solicitation, Unless otherwise specified, the issues of documents not listed in the DODISS shall be the issues of the nongovernment documents which are current on the date of the solicitation. AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) D 3951 - Standard Practice for

11、Commercial Packaging (Copies should be obtained from the American Society for Testing and Materials, 1916 Race Street, Philadelphia, PA 19103.) (Nongovernment standards and other publications are normally available from the organizations which prepare or which distribute the documents. These documen

12、ts also may be available in or through libraries or other informational services.) 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MI L-H-4 4 3 08A I l I l l l l l t I I i I l l I l l I I l l l 1 1 I I l i I I l 2.3 Order of precedence. In the even

13、t of a conflict between the text of this specification and the references cited herein, the text of this specification shall take precedence. Nothing in this specification, however, shall supersede applicable laws and regulations unless a specific exemption has been obtained. 3. REQUIREMENTS 3.1 Gui

14、de samples. Samples, when furnished, are solely for guidance and information to the contractor (see 6.3). Variations from this document may appear in the sample in which case this document shall govern. 3.2 First article. When specified in the contract or purchase order, a sample shall be subjected

15、to first article inspection (see 4.3, 6.2, and 6.4). 3.3 Materials. The materials shall be as specified herein and on Drawings . 2-2-451 and 2-2-454 and all subsidiary drawings and parts lists pertaining there to. 3.3.1 Labels. Each hood and pair of socks shall have a class 15 combination identifica

16、tion and instruction label conforming to type VI of DDD-L-20. The label color shall be Medium Green, C.A. 70034, 70130, or 70131 and shall show fastness to laundering. The label shall read as follows, stating only the appropriate item (hood or socks): HOOD, SOCKS, EXTREME COLD WEATHER SLEEPING SYSTE

17、M a. Field Laundry: The hood/socks should be laundered utilizing “Formula II“ of TM 10-280, NOTE: DO NOT USE CHLORINE BLEPKH, STARCH, DRY CLEAN. O Drying: The hoodlsocks should be finished in a tumble-dryer, loaded not more than 2/3 of rated capacity at lowest fabric cycle (do not exceed 90OF). Remo

18、ve immediately from dryer. Avoid over drying. NOTE: DO NOT PRESS. b. Machine/Hand Laundering. Use delicate/gentle fabric cycle or by hand, using cold water (up to 85OF) and cold water laundry detergent. cold water. NOTE: DO NOT USE CHLORINE BLEACH OR STARCH. Rinse in clean Drying: Tumble dry at lowe

19、st fabric cycle, delicate/gentle (do not exceed 9O0F). RemoGe immediately at end of drying. Avoid over-drying, To drip dry, remove from water and place on rust-proof hanger. NOTE: DO NOT PRESS. DO NOT REMOVE THIS LABEL 3.4 Design and construction. The design and construction of the hood and socks sh

20、all be as specified herein and as shown on Drawings 2-2-451 and 2-2-454 and all subsidiary drawings and parts lists pertaining thereto. 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-VIL-H-4LI30BA BL1 7779706 OLIO2903 9 MIL-H-44308A 3.4.1 Stitches

21、, seams and stitchings. All stitches, seams, and stitching shall conform to FED-STD-751. The type of seam, stitching and stitches per inch shall be as shown on Drawings 2-2-451 and 2-2-454 and all subsidiary drawings and parts lists pertaining thereto. Seam allowances shall be maintained with seams

22、sewn so that no raw edges, run-Offs, twists, pleats, puckers, or open sesms occur, Overedge stitching shall be 3/16 to 1/4 inch gauge. 3.4.1.1 Type 301 stitching. Ends of all stitching shall be backstitched or overstitched not less than 1/2 inch except where ends are turned under or caught in other

23、seams or stitching. Ends of continuous line of stitching shall be overlapped not less than 1/2 inch. Thread tensions shall be maintained so that there will be no loose stitching resulting in loose bobbin or top thread or excessively tight stitching resulting in puckering of the materials sewn. The l

24、ock shall be imbedded in the materials sewn. 3.4.1.1.1 Repairs of type 301 stitching. a. When thread breaks, skipped stitches, run-Offs, or bobbin run-outs occur during sewing, the stitching shall be repaired by restarting the stitching a minimum of 1/2 inch back of the end of the stitching. L/ b. T

25、hread breaks or two or more consecutive skipped or run-off stitches noted during inspection of the item (in-process or end item) shall be repaired by overstitching. The stitching shall start a minimum of 1/2 inch in back of the defective area, continue over the defective area, and continue a minimum

26、 of 1/2 inch beyond the defective area onto the existing stitching. Loose or excessively tight stitching shall be repaired by removing the defective stitching without damaging the materials, and restitching in the required manner. L/ - i/ When making the above repairs, the ends of the stitching are

27、not required to be backstitched. 3.4.1.2 Types 503 and 504 stitching. All repairs shall be in accordance with 3.4.1.1.l.a. and 3.4.1.1.l.b. Thread tension shall be maintained so that there will be no loose or excessively tight stitching resulting in puckering of the materials sewn. 3.4.3 Thread ends

28、. All thread ends shall be trimmed to 1/4 inch maximum length. 3.5 Finished measurements. 3.5.1 Finished measurements hood. The hood shall conform to the following finished measurements: 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-H-4430BA

29、BL( 379990b 0402904 T . Area to be measured MI L-H-44 3 O% - - Measurement inches 13 11-1/4 To lerance inch +1 - + 314 - Face opening 3/ 11 - + 1/2 - l/ With the drawstring totally loosened place hood face side up on a flat surface. Align bottom edges of front and back of bib. Fold top half O face o

30、pening flat approximating a straight horizontal line. With hood in this position measure length in a straight line from the folded edge of the crown at the highest point to the bottom of the hood at the lowest point on the bib. - 2/ With the hood positioned as indicated atfootnote i/ measure across

31、the hood in a straight line along the top of the face opening from folded edge to folded edge. Fold hsod in half lengthwise so the fold runs in the length direction of the . center top cover an the front center neck seam. Place the folded hood on a flat surface with the edges of the face opening eve

32、n. Place one hand on the neck end of the face operiing, holding the hood against the flat surface. With the other hand slide the top of the hood along the flat surface toward the back of the hood until the curvature along the side edges of the face opening approximate a straight line. With the hood

33、in this position measure along the edge of the face opening from the fold at the center of the front neck seam to the fold at the-center of the top cover. 3.5.2 Finished measurements, socks. The sock shall conform to the following finished measurements: Area to be measured Height L/ Mea s ur eme n t

34、 inches 11-1/2 To 1 er ance inch +1 - Cuff opening - 2/ 5 - + 1/2 Sole 3/ 12 - + 314 - l/ Place the sock on a flat surface and fold it in half lengthwise so that the folds run lengthwise along the nylon bottom, the back center heel and the front center toe cap. a straight line from the top cuff to t

35、he fold in the nylon sole. With the sock positioned as indicated at footnote L/ measure horizontally across the top cuff from foded edge to folded edge. With the sock in this position measure height in - 2/ - 3/ With the sock positioned as indicated at footnotes i/ and 2/ measure along the nylon sol

36、e seam horizontally from the folded edge of the toe to the folded edge of the heel. 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-H-44308A 3.6 Workmanship. The finished hood and socks shall conform to the quality of products established by th

37、is document, The occurrence of defects shall not exceed the applicable acceptable quality level. 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for inspection, Unless otherwise specified in the contract or purchase order, the contractor is responsible for the performance of all inspection requir

38、ements as specified herein. Except as otherwise specified in the contract or purchase order, the contractor may use his own or any other facilities suitable for the performance o? the inspection requirements specified herein, unless disapproved by the Government. The Government reserves the right to

39、 perform any of the inspections set forth in this document where such inspections are deemed necessary to assure supplies and services conform to prescribed requirements. 4.1.1 Responsibility for compliance. All items must meet all requirements of sections 3 and 5. The inspection set forth in this d

40、ocument shall become a part of the contractors overall inspection system or quality program. The absence of any inspection requirements in the document shall not relieve the contractor of the responsibility of assuring that all products or supplies submitted to the Government for acceptance comply w

41、ith all requirements of the contract. known defective material, either indicated or actuel, nor does it commit the Government to acceptance of defective material. Sampling in quality conformance does not authorize submission of 4.1.2 Responsibility for dimensional requirements. Unless otherwise spec

42、i- fied in the contract or purchase order, the contractor is responsible for assuring that all specified dimensions have been met. examined on the end item, inspection shall be made at any point, or at all points in the manufacturing process necessary to assure compliance with all dimensional requir

43、ements. When dimensions cannot be 4.1.3 Certificate of compliance. When certificates of compliance are submitted, the Government reserves the right to check test such items to deter- mine the validity of the certification. 4.2 Classification of inspection, The inspection requirements specified herei

44、n are classified as follows: a. b. First article inspection (see 4.3). Quality conformance inspection (see 4.4). 4.3 First article inspection, When a first article is required (see 6.21, it The presence of shall be examined for the defects specified in 4.4.2 and 4.4.3, any defect shall be cause for

45、rejection of the first article. 4.4 Quality conformance inspection, Unless otherwise specified, sampling for inspection shall be in accordance with MIL-STD-105. 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-H-44308A 4.4.1 Component and materi

46、al inspection, In accordance with 4.1, components and materials shall be inspected in accordance with all the requirements of referenced documents unless otherwise excluded, amended, modified, or qualified in this document or applicable purchase document. * 4.4.1.1 Certification. The contractor shal

47、l furnish a certificate of compliance for the requirements for barrel locks on Drawing 2-2-451 and subsidiary drawings pertaining thereto. . 4.4.2 End item visual examination. The end items shall be examined for the defects listed below. The lot size shall be expressed in units of hoods or socks. Th

48、e sample unit shall be one hood or one pair of socks. The inspection level shall be II and the acceptable quality.leve1 (AQL), expressed in terms of defects per hundred units, shall be 2.5 for major defects and 6.5 for total (major and minor combined) defects . TABLE I. End item visual defects Class

49、if ication Examine Defect Major Minor Material defects Hole, cut, tear, smash, run or dropped stitch - i/ Needle chew Thin or uneven area Mend i/ Slub Tmore than twice the size of the normal diameter of the yarn), float or snag L/ Color and shade Cleanness Color not as specified Variation in shade within a part or between two or more parts 2/ 3/ Streaks clearly visible g/ Barre 1/ - - Spot or stain more than 1/4 inch in Two or more thread ends not trim