1、BIL-DTL-4447bA W %7979Ob 2026288 9TT W MIL-DTL-44476A (GL) 9 September 1996 SUPERSEDING 8 November 1993 MIL-C-44476 (GL) DETAIL SPECIFICATION CONTAINER, AERIAL DELIVERY, WEAPONS AND EQUIPMENT, ADJUSTABLE This specification is approved for use by the Natick Research, Development, and Engineering Cent
2、er, Department of the Army, and is available for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This document covers one type and size of a parachutists reinforced jump container. The container is fabricated from nylon duck cloth and nylon webbing. 2. APPLICABL
3、E DOCUMENTS 2.1 General. The documents listed in this section are specified in sections 3 and 4 of this specification. This section does not include documents cited in other sections of this specification or recommended for additional information or as examples. While every effort has been made to e
4、nsure the completeness of this list, document users are cautioned that they must meet all specified requirements documents cited in sections 3 and 4 of this specification, whether or not they are listed. 2.2 Government documents. 2.2.1 Drawing. The following Government drawing forms a part of this d
5、ocument to the extent specified herein. Unless otherwise specified, the issue is that cited in the solicitation. Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: Commander, US. Army Natick Resear
6、ch, Development, and Engineering Center, Attn: S SCNC-UTE Natick, MA O1 760-501 7 by using the self-addressed Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter. AMSC NIA FSC 1670 Provided by IHSNot for ResaleNo reproduction or networking
7、permitted without license from IHS-,-,- MIL-DTL-4447bA m 9999406 202b289 836 m I MIL-DTL-44476A (GL) DRAWING U.S. ARMY NATICK RESEARCH, DEVELOPMENT AND ENGINEERJNG CENTER 11-1-6866 - Container, Aerial Delivery, Weapons and Equipment, Adjustable (Copies of drawings are available fiom the U.S. Army Na
8、tick Research, Development and Engineering Center, ATTN: AMSSC-S-IMI, Natick, MA O1 760-5017). 2.3 Order of precedence. In the event of a confict between the text of this document and the references cited herein, the text of this document takes precedence. Nothing in this document, however, supersed
9、es applicable laws and regulations unless a specific exemption has been obtained. 3. REQUIREMENTS 3.1 First article. When specified (see 6.2), a sample shall be subjected to first article inspection in accordance with 4.2. 3.2 Materials and components. Materials and components shall conform to the r
10、equirements on the applicable drawings, to subsidiary specifications and standards applicable thereto, and as specified herein. 3.2.1 Recvcled. recovered. or environmentally meferable materials. Recycled, recovered, or environmentally preferable materials should be used to the maximum extent possibl
11、e provided the material meets or exceeds the operational requirements, and promotes economically advantageous life cycle costs. 3.3 Construction. The construction shall conform in all respects to the drawing listed in Section 2 and all subsidiary drawings pertaining thereto, and as specified herein.
12、 3.3.1 w. All machine stitching shall be as specified on the applicable drawings and as specified herein. 3.3.1.1 Type 301 stitchiqg. Ends of all type 301 stitching shall be backstitched or overstitched not less than 112 inch in accordance with the required stitch pattern. Thread tension shall be ma
13、intained so that there will be no loose stitching resulting in the puckering of the material sewn. The lock shall be embedded in the materials sewn. 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-4447bA 777790b 2026270 558 MIL-DTL-44476A (
14、GL) 3.3.1.1.1 Repairs of me 30 1 stitching. Repairs of type 30 1 stitching shall be as follows: a. When thread breaks or bobbin run-outs occur during the stitching, the stitching shall be repaired by restarting the stitching a minimum of 1 inch (1/2 inch for box-x and W-W stitching) from the end of
15、the stitching. I/ b. Thread 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 inch from the defective area, (1/2 inch for box-x and W-W stitching), co
16、ntinue over the defective area, and continue a minimum of 1 inch (1/2 inch for box-x and W-W stitching) beyond the defective ?ea onto the existing stitching. Loose or excessively tight stitching shall be repaired by removing the defective stitching, without damaging the materials, and restitching in
17、 the required manner. I/ - 1/ When making the above repairs, the ends of the stitching are not required to be backstitched. 3.3.1.2 Automatic stitching. Automatic stitching machines may be used to perform any of the required stitch patterns provided the requirements for the stitch pattern, stitches
18、per inch, and size and type of thread are met; and at least three or more tying, overlapping, or back stitches are used to secure the ends of stitching. 3.3.2 Thread ends. All thread ends shall be trimmed to a maximum length of 1/4 inch. 3.4 Repairs. Repairs such as mends, darns, patches, or splices
19、 are not permitted on the container. 3.5 Replacement of defective components. During the spreading, cutting and mandacturing process, components having material defects or damages that are classified as defects in table I shall be removed from production and replaced with nondefective and properly m
20、atched components. 3.6 Workmanship. The finished and assembled containers shall conform to the quality of product established by this specification. 4. VERIFICATION 4.1 Classification of inspections. The inspection requirements specified herein are classified as follows: a. First article inspection
21、(see 4.2) b. Conformance inspection (see 4.3) Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- MIL-DTL-4447bA 9979906 2026293 494 MIL-DTL-44476A (GL) 4.2 First article inspection. When a first article inspection is required (see 3.1 and 6.2) it shall
22、 be examined in accordance with 4.3. Sampling for first article inspection shall be as specified in the contract or purchase order (see 6.2). 4.3 Conformance inspection. Conformance inspection shall include the examination of 4.3.1,4.3.2,4.3.3 and 4.3.4. Sampling for the inspections in 4.3.3 and 4.3
23、.4 shall be as specified in the contract or purchase order (see 6.2). 4.3.1 Component and material inspection. Components and materials shall be inspected in accordance with all the requirements of referenced documents unless otherwise excluded, amended, modified, or qualified in this specification
24、or applicable purchase document. 4.3.2 In-process inspection. Inspection of subassemblies shall be made to ascertain that construction details and dimensional requirements which cannot be examined in the finished product are in accordance with specified requirements. The Government reserves the righ
25、t to exclude from consideration for acceptance, any material or service for which in-process inspection has indicated nonconformance. 4.3.3 End item visual examinatioq. The end items shall be examined for visual defects. Each noncompliance shall be scored as a defect in accordance with table I. TABL
26、E I. End item visual defects Classification Examine Defect Major Minor Fabric Any hole (except drill holes), cut or tear, weak places or broken yarns Exposed drill holes 101 201 Felt Webbing, tape or cord Fastener tape, hook and pile Any hole, cut, or tear 202 Not firmly and tightly woven; edge Expo
27、sed end of tie-down tapes not Exposed end of nylon webbing or tape frayed or scalloped dipped in wax as required not seared smooth as required Any hole, cut, or tear. Hooks missing or flattened, foreign matter or dirt impairing proper function 102 203 204 103 4 Provided by IHSNot for ResaleNo reprod
28、uction or networking permitted without license from IHS-,-,-b MIL-DTL-9947bA 99Ob 2026292 320 H t MIL-DTL-44476A (GL) TABLE I. End item visual defects (contd.) Classification Examine Defect Mai or Minor Hardware Broken or bent; corroded areas; burrs or Any required component not specified type Any r
29、equired component not functioning, sharp edges or size improperly set or reversed Slide fastener Not functioning properly, failing to affect closure or to open freely Not specified type or size Slider jams or fails to interlock Thong omitted Damaged teeth Open seams and 1/2 inch or less run-Offs Mor
30、e than 1/2 inch Binding NOTE: A seam shall be classified as open when one or more stitches joining a seam are broken or when two or more skipped stitches or run-offs occur. On a double stitching seam, a seam shall be considered open when either one or both sides of the seam are open. Improperly or l
31、oosely applied showing End of binding not finished as specified raw edge of fabric or overlapped less than 1 inch Seam and stitch type Wrong seam or stitch type Stitch tension Loose, resulting in a loosely exposed top or bobbin thread; tight, resulting in excessive tightness of fabric on seams 104 1
32、05 106 107 108 109 110 111 205 112 113 206 114 115 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- MIL-DTL-4447bA 9999906 2026293 267 MIL-DTL-44476A (GL) TABLE I. End item visual defects (contd.) Classification Examine Defect Mai or Minor Stitches
33、 per inch One stitch less than minimum specified 207 Two or more stitches less than One or two stitches in excess of maximum More than two stitches in excess of minimum specified 116 specified 208 maximum specified 117 NOTE: Variation in the number of stitches per inch, caused by the operator speedi
34、ng up the machine and pulling the fabric in order to sew over heavy places, heavy seams or in turning corners, shall be classified as follows: a. Within the major defect classification b. Within the minor defect classification - minor defect - no defect Stitching margins Larger than specified by mor
35、e than 311 6 inch for more than 2 inches Thread breaks Not overstitched as specified NOTE: Thread breaks not overstitched shall be classified as open seams. Stitching ends Ends of stitching backstitched less than 1/2 inch (except where ends are turned under in a hem or held down by other stitching)
36、Ends of stitching not backstitched stitching Any required row of stitching omitted W-W stitching: (except on W-W stitching) . One or more rows of stitching omitted Length of stitching less than specified by more than 1/4 inch 209 210 21 1 118 119 120 121 6 Provided by IHSNot for ResaleNo reproductio
37、n or networking permitted without license from IHS-,-,-MIL-DTL-444bA 99999Ob 202b294 LT3 = MIL-DTL-44476A (GL) TABLE I. End item visual defects (contd.) Classification Examine Defect Maior Minor Components and Any component or required operation omitted or not as Needle chews 123 Mends, darns, or pa
38、tches 124 Any turn under on stitched ends of webbing 125 Turn under on ends of straps, chapes, and loops assembly specified (unless otherwise classified herein) 122 not securely caught in W-W stitching less than specified by more than 1/8 inch 212 Marking and Omitted, illegible, incorrect, misplaced
39、, or size identification of characters not as specified Cleanness Noticeable spots or stains, Le., grease, oil ink, dirt not removed; thread ends not trimmed to 114 inch or less 213 214 4.3.4 End item dimensional examination. The end items shall be examined for conformance to the dimensions specifie
40、d on the drawings. Only those dimensions that can be evaluated without damaging or disassembling the end items shall be examined. Any dimension not within the specified tolerance shall be classified as a defect. 5. PACKAGING 5.1 Packaging. For acquisition purposes, the packaging requirements shall b
41、e as specified in the contract or order (see 6.2). When actual packaging of materiel is to be performed by DoD personnel, these personnel need to contact the responsible packaging activity to ascertain requisite packaging requirements. Packaging requirements are maintained by the Inventory Control P
42、oints packaging activity within the Military Department or Defense Agency, or within the Military Departments System Command. Packaging data retrieval is available fiom the managing Military Departments or Defense Agencys automated packaging files, CD-ROM products, or by contacting the responsible p
43、ackaging activity. 6. NOTES (This section contains information of a general or explanatory nature which may be helpful, but is not mandatory). 7 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-44476A (GL) 6.1 Intended use. The container assem
44、bly is used by airborne personnel during parachute operations. 6.2 Acquisition requirements. Acquisition documents must speci& the following: a. Title, number and date of this specification b. When first article is required (see 3.1) c. Sampling plan, lot size, sample size (see 4.3) d. Packaging req
45、uirements (see 5.1) 6.3 Subiect term (key word) listing. Air delivery Carrier Weapons case 6.4 Changes from previous issue. Marginal notations are not used in this revision to identi& changes with respect to the previous issue due to the extent of the changes. Custodian: Army - GL Review activity Army - AV Preparing activity: Army - GL (Project 1670-AS54) 8 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
