1、 Beneficial comments (recommendations, additions, deletions) and any pertinent data that may be of use in improving this document should be addressed to: Natick Soldier Center ATTN: AMSSB-RAD-AD(N), Natick, MA 01760-5017, using the Standardization Document Improvement Proposal (DD Form 1426) appeari
2、ng at the end of this document or by letter. AMSC N/A FSC 1670 DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. INCH-POUND MIL-DTL-7554G 22 JUNE 2003 SUPERSEDING MIL-C-7554F 19 MAY 1993 DETAIL SPECIFICATION CONTAINER KITS, AIRDROP This specification is approved for u
3、se by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This specification covers a group of airdrop container kits required for use in the airdrop system. 1.2 Classification. Container kits for airdrop shall be of the following types and load capacities as specified. Sp
4、ecific components may be procured separately (see 6.2): Types Load Capacity A-7A, Sling 500 pounds A-21, Bag 500 pounds A-22, Bag 2200 pounds A-23, Container, High Altitude 2200 pounds 2. APPLICABLE DOCUMENTS 2.1 General. The documents listed in this section are cited in sections 3 and 4 of this spe
5、cification. These lists do 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 ensure the completeness of these lists, document users are cautioned that they must meet all specified requirem
6、ents documents cited in sections 3 and 4 of this specification, whether or not they are listed. 2.2 Government documents. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-7554G 2 2.2.1 Specifications and standards. The following specifications
7、 and standards form a part of this document to the extent herein. Unless otherwise specified, the issues of these documents are those listed in the issue of the Department of Defense Index of Specifications and Standards (DoDISS) and supplement thereto, cited in the solicitation (see 6.2). SPECIFICA
8、TIONS DEPARTMENT OF DEFENSE MIL-DTL-32075 - Label: For Clothing, Equippage, and Tentage (General Use) (Unless otherwise indicated, copies of the above specifications, standards, and handbooks are available from the Standardization Document Order Desk, 700 Robbins Avenue, Building 40, Philadelphia, P
9、A 19111-5094) 2.2.2 Other Government documents, drawings, and publications. The following other Government documents, drawings, and publications form a part of this document to the extent specified herein. Unless otherwise specified, the issues are those cited in the solicitation. DRAWINGS NATICK SO
10、LDIER CENTER 11-1-2616 - Container, High Altitude, A-23 Assembly 51C6716 - Container, Kit Assembly-Sling Type A-7A, 500 lb. Capacity 51C6739 - Container Kit Assembly Bag, Cargo, Aerial Delivery Type A-21 500 lb. Capacity 50B7702 - Container Kit Assembly Bag, Cargo, Aerial Delivery Type A-22 2200 lb.
11、 Capacity (Copies are available from the Natick Soldier Center, ATTN: AMSSB-RAD-AD(N) CONFIGURATION MANAGER, Natick, MA 01760-5017.) 2.3 Order of precedence. In the event of a conflict between the text of this document and the references cited herein (except for related associated specifications or
12、specification sheets), the text of this document takes precedence. Nothing in this document, however, supersedes 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 a first article
13、inspection in accordance with 4.2. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-7554G 3 3.2 Materials. Materials shall conform to the requirements of the applicable Technical Data Package (TDP), to subsidiary specifications and standards a
14、pplicable thereto and as specified herein. 3.2.1 Recycled, recovered, or environmentally preferable materials. Recycled, recovered, or environmentally preferable materials should be us ed to the maximum extent possible provided the materials meet or exceed the operational requirements, and promote e
15、conomically advantageous life cycle costs. 3.3. Construction. The construction shall conform in all respects to the applicable drawings and all subsidiary drawings pertaining thereto and as specified herein. 3.3.1 Type 301 stitching. Ends of all type 301 stitching shall be backstitched or overstitch
16、ed not less than inch in accordance with the required stitch pattern. 3.3.1.1 Repairs of type 301 stitching. Repairs of type 301 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 o
17、f 1 inch (1/2 inch for box-x and W-W stitching) from the end of the stitching. 1/ 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 fro
18、m the defective area, (1/2 inch for box-x and W-W stitching), continue over the defective area, and continue a minimum of 1 inch (1/2 inch for box-x and W-W stitching) beyond the defective area onto the existing stitching. Loose or excessively tight stitching shall be repaired by removing the defect
19、ive stitching without damaging the materials, and restitching in the required manner. 1/ 1/ When making the above repairs, the ends of the stitching are not required to be backstitched. 3.3.2 Automatic stitching. Automatic stitching machines may be used to perform any of the required stitch patterns
20、 provided the requirements for the stitch pattern, stitches 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. 3.4 Cotton tape and webbing. 3.4.1 Wax-dipping. All ends of cotton tape and webbing, wh
21、ich will be exposed in the finished item, shall be dipped a minimum of inch in a 50-50 mixture of beeswax and paraffin. During the dipping operation, the temperature of the wax mixture shall be maintained at 180F + 20F. 3.4.2 Searing. All exposed ends of nylon webbing and cord shall be seared smooth
22、 and even. 3.5 Marking. Unless otherwise specified herein or on the drawings, all marking on container kits or components shall conform to type IV, class 11 of MIL-DTL-32075, except that fastness to Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL
23、-DTL-7554G 4 accelerated laundering shall not apply. In lieu thereof, marking shall show fair fastness to weathering after 40 fading hours when tested in accordance with DDD-L-20. 3.6 Workmanship. All components and assemblies of the container kits shall be free from dirt, grease, oil or other forei
24、gn matter. External surfaces shall be free from sharp edges or burrs. Components shall not be fractured, cracked, buckled, loose, dented, missing, malformed or misaligned. Seams and stitching shall be free of needle damage (cuts or chews), omitted and unrelated stitching, open and broken seams and l
25、oose threads. The end item 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 (see 4.2). b. Conformance inspection (see 4.3).
26、 4.2 First article inspection. First article inspection shall be performed on one complete container assembly, unless otherwise stated in the contract, when a first article sample is specified (see 3.1). The inspection shall include the examinations of 4.3.1, 4.3.2, 4.4, and 4.5. Any defect or nonco
27、nformance shall be cause for rejection of the first article. 4.3 Conformance inspection. Conformance inspections shall include the examinations of 4.3.1, 4.3.2, 4.4 and 4.5. Sampling plans and acceptance/rejection criteria for 4.4 and 4.5 shall be as specified in the contract or purchase order. Asse
28、mblies which fail the acceptance criteria shall be cause for rejection of the lot. 4.3.1 Component and material inspection. Components and materials shall be inspected in accordance with all of the requirements of reference documents unless otherwise excluded, amended, modified, or qualified in this
29、 specification 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
30、reserves the right to exclude from consideration of acceptance any material or service for which in-process inspection has indicated nonconformance. 4.4 End item visual examination. The end items shall be examined for the defects listed in table I. Any nonconformance to the Technical Data Package (T
31、DP) shall be classified as a defect. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-7554G 5 TABLE I. End Item Visual Defects Classification Examine Defect Major Minor Materials Wrong color 201 Construction and assembly Any component missing,
32、 loose or not securely retained 101 Cleanliness Dirt, grease, oil, or foreign matter 202 Thread ends not trimmed throughout 203 Stitches and stitching Not type of stitch specified Stitching pattern not as specified 102 103 One stitch per inch under minimum specified 204 Two or more stitches per inch
33、 under minimum specified 104 One stitch per inch over the maximum specified 205 Two or more stitches per inch over maximum specified 105 NOTE: Variation in the number of stitches per inch cause by the operator speeding up the machine and pulling fabric to sew over heavy places, heavy seams, or in tu
34、rning corners shall be classified as follows: a. Within the major defect classification Minor defect b. Within the minor defect classification No defect Thread breaks and two or more consecutive skipped stitches not overstitched as specified 206 Ends of stitching not secured as specified 207 Any row
35、 of stitching missing 106 Needle damage (cuts or chews) 107 Stitch margin or gage not as specified 208 Stitching runoffs not restitched in accordance with the applicable stitch pattern 209 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-7554G
36、 6 TABLE I. End Item Visual Defects (contd) Classification Examine Defect Major Minor Stitches and stitching (cont) Loose tension, resulting in loose top or bobbin thread; or tight tension resulting in tightness or puckering of material at stitch line 210 Cloth, webbing, tape, thread (as applicable)
37、 Not type or size specified Cut, hole, abrasion or frays, thin or weak area Edge beaded or corded 108 109 211 Exposed ends not waxed or seared, as specified 212 Hardware Component fractured, malformed, bent or otherwise damaged; protective finish omitted; corroded areas, burrs or sharp edges 110 D-r
38、ing not assembled as specified 111 Snaphook not assembled as specified 213 Adaptor assembled with protruding lip exposed 214 Plywood skid (when required) Not grade or type specified Surfaces not painted as required 112 113 Grain direction of top and bottom ply not as specified 114 Gaps and voids at
39、edges and bevel not filled as specified 115 Plugged areas not sanded flush 215 Identification marking (including U.S. and special marking) Missing, illegible, incorrect, wrong color, improper location or not applied as specified 216 4.5 End item dimensional examination. The end items shall be examin
40、ed for conformance to the dimensions specified 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
41、 purposes, the packaging requirements shall be as specified in the contract or order (see 6.2). When actual packaging of material is to be performed by DoD personnel, these personnel need to contact the responsible packaging activity to ascertain requisite packaging requirements. Packaging requireme
42、nts are maintained by the Inventory Control Points packaging activity within the Military Department or Defense Agency, or within Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-7554G 7 the Military Departments System Command. Packaging data
43、retrieval is available from the managing Military Departments or Defense Agencys automated packaging files, CD-ROM products, or by contacting the responsible packaging activity. 6. NOTES 6.1 Intended use. The container kits are intended for use in the airdrop of miscellaneous equipment and bulky sup
44、plies from aircraft in flight to ground. 6.2 Acquisition requirements. Acquisition documents should specify the following: a. Title, number, and date of this specification. b. Type of airdrop container kit required (see 1.2). c. Issue of DODISS to be cited in the solicitation, and if required, the s
45、pecific issue of individual documents referenced (see 2.1.1). d. When a first article is required (see 3.1). e. Sampling plan (see 4.3). f. Packaging requirements (see 5.1). g. Components, when procured separately (see 6.3). 6.3 Components. The following components may be procured separately: Quick
46、release strap for: type A-21 Suspension webs for: type A-22 and A-23 Skids for: type A-22 and A-23 Covers for: type A-22 and A-23 6.4 Subject terms (key word) listing. Air delivery Equipment 6.5 Changes from previous issue. Marginal notations are not used in this revision to identify changes with re
47、spect to the previous issue due to the extensiveness of the changes. Custodians: Preparing Activity: Army - GL2 Army - GL2 Air Force - 99 (Project 1670-1043) Review Activities: Air Force - 11 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-STANDARDIZ
48、ATION DOCUMENT IMPROVEMENT PROPOSAL INSTRUCTIONS 1. The preparing activity must complete blocks 1, 2, 3, and 8. In block 1, both the document number and revision letter should be given. 2. The submitter of this form must complete blocks 4, 5, 6, and 7. 3. The preparing activity must provide a reply
49、within 30 days from receipt of the form. NOTE: This form may not be used to request copies of documents, nor to request waivers, or clarification of requirements on current contracts. Comments submitted on this form do not cons titute or imply authorization to waive any portion of the referenced document(s) or to amend contractual requirements. I RECOMMEND A CHANGE: 1. DOCUMENT NUMBER MIL-DTL-7554G 2. DOCUMENT DATE (
