ARMY MIL-R-43323 E-1986 RIFLE BUTT POCKET AND STRAP ASSEMBLY《操纵带和枪托带》.pdf

1、MIL-R-43323E 26 September 1986 SUPERSEDING MIL-R-43323D 23 May 1978 MILITARY SPECIFICATION I RIFLE BUTT POCKET AND STRAP ASSEMBLY This specification is approved for use by all Departments and Agencies of the . Department of Defense. 1. SCOPE $: 1.1 Scope. This document covers one type of rifle butt

2、pocket with strap. 2. APPLICABLE DOCUMENTS $: 2.1 Government documents. 9: 2.1.1 Documents. Following documents form a part of this document to the extent specified herein. Unless otherwise specified, the issues of these documents shall be those listed in the issue of the Department of Defense Index

3、 of Specifications and Standards (DODISS) and supplement thereto, cited in the solicitation. SPECIFICATIONS FEDERAL A-A-203 - Paper, Kraft, Untreated V-T-285 - Thread, Polyester DDD-L-20 - Label: For Clothing, Equipage, and Tentage (General PPP-B-636 - Boxes, Shipping, Fiberboard Use) Beneficial com

4、ments (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-addressed Standardization Document Improvement Proposal (

5、DD Form 1426) appearing at the end of this document or by letter. AMSC N/A FSC 8465 DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. ,- THIS DOCUMENT CONTAINS Ir Clothing, Personal Equipment and Equipage; General Specification for STANDARDS FEDERAL FED-STD-751 - Stit

6、ches, Seams, and Stitchings MIL I TARY MIL-STD-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 Attributes DRAWINGS U.S. ARMY NATICK RESEARCH, DEV

7、ELOPMENT AND ENGINEERING CENTER 2-3-169 - Rifle Butt Pocket and Strap Assembly (Copies of documents required by contractors in connection with specific acquisition functions should be obtained from the contracting activity or as directed by the contracting activity.) Jc 2.2 Other publications, The f

8、ollowing documents form a part of this document to the extent specified herein. documents which are DOD adopted shall be those listed in the issues of the DODISS specified in the solicitation. documents not listed in the DODISS shall be the issues of the nongovernment documents which are current on

9、the date of the solicitation. Unless otherwise specified, the issues of the Unless otherwise specified, the issues of AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) D-3951 - Standard Practice for Commercial Packaging 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without l

10、icense from IHS-,-,-MIL-R-43323E 84 7799706 0373330 3 I _ MIL-R-43323E (Application for copies should be addressed to the American Society for Testing and Materials, 1916 Race Street, Philadelphia, PA 19103.) (Technical society and technical association documents are generally available for referenc

11、e from libraries. and using Federal agencies.) They are also distributed among technical groups 9: 2.3 Order of precedence. In the event of a conflict between the text of this document and the references cited herein, the text of this document shall take precedence. Nothing in this document, however

12、 shall supersede applicable laws and regulations unless a specific exemption has been obtained. 3. REQUIREMENTS 3.1 Samples. A 3.1.1 Guide samples. Samples of the end item, when furnished, are solely for guidance and information to the contractor (see 6.3). Variations from this document may appear

13、in the sample, in which case this document shall govern, * First article. When specified in the contract or purchase order, a sample shall be subjected to first article inspection (see 4.3, 6.2, and 6.4). 3.2. Materials (see 6.5). 3.2.1 Webbing, nylon, 1 inch wide. The 1 inch nylon webbing shall be

14、dyed Olive Drab 7 and shall conform to class 2 of MIL-W-17337. a 3.2.2 Webbing, nylon, 1-23/32 inch wide. The 1-23/32 inch webbing shall be dyed Olive Drab 7 and shall conform to type VIII, class 1 or 2 of MIL-W-4088. The 1-23/32 inch webbing shall be resin impregnated to conform to class R of MIL-W

15、27265. 3.2.3 Thread, polyester. The thread for all stitching shall be size FF conforming to type I, class 1, subclass A of V-T-285. The thread shall be dyed Olive Drab S-1 (C.A. 66022) and shall show fastness to weathering equal to or better than the standard sample. When no standard sample is avai

16、lable, the thread shall show good fastness to weathering. 3.2.4 Keeper, clamp, 1 inch with loop. The keeper shall conform to type IX, class A, of MIL-H-9890, 3.2.5 Hook, double. The double hook shall conform to type I, class 1, of MIL-H-639. 3.3 Construction. The construction shall conform in all re

17、spects to Drawing 2-3-169 and shall be as specified herein. * 3.3.1 Stitches, seams, and stitching. Ail stitches, seams, and stitching shall be performed using stitch type.301 of FED-STD-751 with 6,to 8 stitches per inch. O 3 Provided by IHSNot for ResaleNo reproduction or networking permitted witho

18、ut license from IHS-,-,-MIL-R-43323E 4 777770b 0373111 5 MIL-R-43323E $c 3.3.1.1 Automatic stitching. Automatic stitching machines may be used to perform any of the stitch patterns provided the requirements for the stitch patterns, stitches per inch, and size and type of thread are met; and at least

19、 three tying, overlapping, or backstitches are used to secure the ends of stitching. $c 3.3.1.2 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 seams and stitching. Thread tensions shall be m

20、aintained so that there will be no loose stitching resulting in loose bobbin or top thread or excess- ively tight stitching resulting in puckering shall be imbedded in the materials sewn. 3.3.1.2.1 Repairs of type 301 stitching. be as follows: of the materials sewn. The lock Repairs of type 301 stit

21、ching shall 4 a. When thread breaks, skipped stitches, run-Offs, or bobbin runouts 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. - i/ b. Thread breaks or two or more consecutive skipped or run-off stitches not

22、ed during inspection of the 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 of 1/2 inch beyond the defective area onto the existing stitching, Loose or excessively tight s

23、titch- ing 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 stitching are not required to be backstitched. 3.3.1.3 Thread ends, All thread ends shall be trimmed to 1/4 inc

24、h maximum length. 3.3.2 Fusing of nylon webbing. Cut ends of webbing shall be fused smooth and even as -indicated on.Drawing 2-3-169. Fusing of the webbing ends shall be accomplished prior to assembling for stitching. 3.3.3 Repairs. Repairs such as mends, darns, or splices are not permitted on the r

25、ifle butt pocket and strap assembly. 3.4 Marking. The identification marking shall be applied in the location shown on Drawing 2-3-169 and shall conform to type IV, class 5 of DDD-L-LO. The letters US shall be applied in the size characters and in the location indicated on the drawing and shall conf

26、orm to type IV, class 9 of DDD-L-20. Fastness of the class 9 marking shall be as specified for class 5 marking. 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-R-LI3323E 4 9999906 0393332 7 - MIL-R-43323E 3.5 Workmanship. The rifle butt pocket

27、and strap assembly shall conform to the quality of product established by this document and occurrence of defects shall not exceed the applicable acceptable quality levels. 4. QUALITY ASSURANCE PROVISIONS * 4.1 Responsibility for nspection. Unless otherwise specified in the 6 contract or purchase or

28、der, the contractor is responsible for the performance of all inspection requirements 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 of the inspection requirements specified he

29、rein, unless disapproved by the Government. The Government reserves the right to 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. 9: 4.1.1 Responsibility for compliance. All items

30、 must meet all requirements of The inspection set forth in this document shall become a part sections 3 and 5. of the contractors overall inspection system or quality program. of any inspection requirements in the document shall not relieve the contractor of the responsibility of assuring that all p

31、roducts or supplies submitted to the Government for acceptance comply with all requirements of the contract. Sampling in quality conformance does not authorize submission of known defective material, either indicated or actual, nor does it commit the Government to The absence acceptance of defective

32、 material. e 4.2 Classification of inspection. The inspection requirements specified herein are classified as follows: a. First article inspection (see 4.3). b. Quality conformance inspection (see 4.4). fi 4.3 First article inspection. When a first article is required (see 3.1)9 shall be examined fo

33、r the defects specified in 4.4.3 and 4-4.4. The presence it of any defect shall be cause for rejection of the first article. - * 4.4 Quality conformance inspection. Unless otherwise specified, sampling for inspection shall be preformed in accordance with MIL-STD-105. 4.4.1 Component and material ins

34、pection. In accordance with 4.1, components and materials shall be inspected in accordance with all the requirements of referenced documents unless ofherwise excluded, amended, modified, or qualified in this document or applicable purchase document. 5 Provided by IHSNot for ResaleNo reproduction or

35、networking permitted without license from IHS-,-,- - Is_ _-_I- - -_I_ MIL-R-43323E BY 9999906 03731133 9 MIL-R-43323E 4.4.2 In-process inspection. Inspection shall be made at any point or during any phase of the manufacturing process to determine whether cut lengths, listed below, prior to assembly

36、are in accordance with specified requirements of Drawing 2-3-169. The Government reserves the right to exclude from acceptance any material or service for which in-process inspection has indicated non- conformance. Check for Component Cut length Cut length Cut 1 eng th Keeper chape Cut length Rifle

37、strap P i e ce “A“ P ie ce “B I * 4.4.3 End item visual examination. The end item shall be examined for the defects listed below, The lot size shall be expressed in units of rifle butt pocket and strap assemblies. The sample unit shall be one rifle butt pocket and strap assembly. The inspection leve

38、l shall be II and the acceptable quality level (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. Classification Examine Defect Major Minor Webbing Hardware Open seam Any hole, cut, tear, or smash. X frayed or

39、scalloped. X Not firmly or tightly woven, edge Abrasion mark, slub, or broken Multiple floats. end or pick. Broken, malformed, corroded area, Finish not as specified, Any required component improperly Any required component not specified burr, or sharp edge. X ,cet or reversed. X type 9 X 3/4 inch o

40、rless. More than 3/4 inch. NOTE: A seam shall be classified as open when one or more stitches joining a seam are broken or when two or more continuous skipped or run-off stitches occur. X X X X X c Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-f .

41、MIL-R-43323E 84 m 999990b 0393114 O m MI L-R-433 233 Classification Examine Defect Major Minor Run-of f I Seam or stitch type Ends of stitching Stitch tension Stitches per inch Stitching margin e Thread break NOTE : Boxstitching or “Wit s ti tching Stitching - _- - - i (To be scored as “open seam.“)

42、 Wrong seam or stitch type. X Not backstitched or secured as specified. X Loose, resulting in loosely ex- posed top or bobbin thread; tight, resulting in excessive tightness of fabric on seams. X One stitch less than minimum Two or more stitches less than One stitch in excess of maximum Two or more

43、stitches in excess of specified. X minimum specified. X specified. X maximum specified, X Not as specified. Backstitched less than 1/2 inch. Thread breaks not backstitched or overstitched, shall be scored as “open seam“. Not positioned as specified. Dimensions of stitching not within specified range

44、 Any required row of stitching Not through required layers of omit ted. webbing. 7 X X X X X X Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-_ - MIL-R-43323E 84 =Ob 0373335 2 I“ MIL-R-43323E Classification Examine Defect Major Minor Component and

45、as s emb ly Any component part omitted or not as specified or any required operation omitted (unless otherwise classified herein). X Needle chews. X Any mend, darn, or splice. X Keeper chape Turned under ends not abutted. X Rifle strap Any end not fused. Free end not cut as specified. X X P i e c e

46、B I Any end not fused. X Cleanness Thread ends Noticeable grease or oil stain, 1 square inch or larger. Not trimmed to 1/4 inch maximum length. Marking, identif i- mitted, incorrect, illegible, mis- cation and “US“ placed, or size of characters not as specified. fc 4.4.4 End item dimensional examin

47、ation. The end item shall be examined for compliance with the dimensions and tolerances specified on Drawing 2-3-169, dimension that exceeds the specified tolerance shall be classified as a defect. The lot size shall be expressed in units of rifle butt pocket,and strap assemblies. The sample unit sh

48、all be one end item, The inspection level shall be S-3 and the AQL, expressed in terms of defects per hundred units, shall be 4.0. Any + 4.4.5 Packaging inspection. The fully packaged end items shall be examined for the defects listed below. The lot size shall be expressed in units of shipping conta

49、iners. packaged. The inspection level shall be S-2 and the AQL, expressed in terms of defects per 100 units, shall be 2.5. The sample unit shall be one shipping container fully X X X Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-R-Ll3323E 89 M 777770b 0393336 4 M Examine Defect Marking (exterior Omitted; incorrect; illegible; of improper size, and inte