1、Beneficial comments (recommendations, additions, deletions) and any pertinent data thatmay be of use in improving this document should be addressed to ASC/ENOI, 2530 LoopRoad West, Wright-Patterson AFB, OH 45433-7101, using the Standardization DocumentImprovement Proposal (DD Form 1426) appearing at
2、 the end of this document or by letter.AMSC N/A FSC 1670DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited.INCH-POUNDMIL-DTL-6645J31 August 2001SUPERSEDINGMIL-P-6645H27 February 1973DEPARTMENT OF DEFENSEDETAIL SPECIFICATIONPARACHUTES, PERSONNEL,GENERAL SPECIFICATION FOR
3、Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-6645J2DEPARTMENT OF DEFENSE DETAIL SPECIFICATIONPARACHUTES, PERSONNEL, GENERAL SPECIFICATION FORThis specification is approved for use by all Departmentsand Agencies of the Department of Defense
4、.1. SCOPE1.1 Scope.This specification covers the general and specific requirements for personnel parachutes andcomponents thereof, as well as specific manufacturing instructions.1.2 Classification.The classification of parachute assemblies, defined as part numbers, is as specified in theQualified Pr
5、oducts List, QPL-6645 (see 6.2).2. APPLICABLE DOCUMENTS2.1 General.The documents listed in this section are cited in sections 3 and 4 of this specification. Theselists do not include documents cited in other sections of this specification or thoserecommended for additional information or as examples
6、. While every effort has been made toensure the completeness of these lists, document users are cautioned that they must meet allspecified requirements documents cited in sections 3 and 4 of this specification, whether or notthey are listed.2.2 Government documents.2.2.1 Specifications and standards
7、.The following specifications and standards form a part of this document to the extent specifiedherein. Unless otherwise specified, the issues of these documents are those listed in the issueof the Department of Defense Index of Specifications and Standards (DoDISS) and supplementthereto, cited in t
8、he solicitation (see 6.2).Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-6645J3SPECIFICATIONSFEDERALA-A-59291 - Ink, Marking (For Parachutes and Other Textile Items)DDD-L-20 - Label; for Clothing, Equipage and TentageDEPARTMENT OF DEFENSEMIL
9、-P-7567 - Parachutes, Personnel, Detail Manufacturing Instructions forSTANDARDSDEPARTMENT OF DEFENSEMIL-STD-849 - Inspection Requirements, Definitions and Classification ofDefects for ParachutesHANDBOOKSDEPARTMENT OF DEFENSEMIL-HDBK-831 - Preparation of Test Reports2.3 Other Government documents.The
10、 following other Government document forms a part of this document to the extentspecified herein. Unless otherwise specified, the issue is that issue cited in thesolicitation.SD-1 - Standardization Directory(Copies of the SD-1 are available from the Standardization Document OrderDesk, 700 Robbins Av
11、enue Building 4D, Philadelphia, PA 19111-5094)2.4 Non-Government publications.The following documents form a part of this document to the extent specified herein.Unless otherwise specified, the issues of the documents that are DoD adopted are thoselisted in the issue of the DoDISS cited in the solic
12、itation. Unless otherwise specified, theissues of documents not listed in the DoDISS are the issues of the documents cited inthe solicitation.AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM)ASTM D 737 Test Method for Air Permeability of Textile Fabrics(Application for copies should be addressed to
13、the American Society forTesting and Materials, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959.)Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-6645J4PARACHUTE INDUSTRY ASSOCIATIONPIA-C-5040 Cord, Fibrous and Nylon(Application for cop
14、ies should be addressed to the Parachute IndustryAssociation, 3833 West Oakton Street, Skokie, IL 60076.)2.5 Order of precedence.In the event of a conflict between the text of this document and the references citedherein (except for related associated specifications or specification sheets), the tex
15、t ofthis document takes precedence. Nothing in this document, however, supersedesapplicable laws and regulations unless a specific exemption has been obtained.3. REQUIREMENTS3.1 First article.When specified (see 6.2), a sample shall be subjected to a first article inspection inaccordance with 4.2.3.
16、2 Qualification requirements.3.2.1 Qualification.Parachute assemblies and/or components thereof furnished under this specification shallbe products that are authorized by the qualifying activity for listing on the QualifiedProducts List (QPL) before contract award (see 4.3 and 6.4).3.2.2 Submittal o
17、f inspection samples.Contractors shall submit products to the appropriate qualifying activity for evaluation.For specific information regarding points of contact and products qualified, contact AirForce Standardization Management Activity Code 11 (see SD-1, StandardizationDirectory, for FSC 1670 ite
18、ms).3.2.3 Qualification inspection samples.The qualification inspection sample shall comply with all of the requirements specifiedherein and shall consist of two complete parachute 1/ assemblies or components (ifqualification is desired for a component only). The qualification sample shall beaccompa
19、nied by the following items with affidavits of the source of supply of each item: 5yards of each color and type of fabric; 1/2 pound spool, cone, or tube of each type ofthread; 30 yards of each type of cord, webbing, and tape; and two sets of each type ofhardware used in the construction and compone
20、nts of the parachute assembly. Thesamples shall comply in all respects with the requirements specified herein. Samplesshall be forwarded as directed by the activity responsible for qualification.1/At their option, a qualifying activity might only request one parachute assembly.Provided by IHSNot for
21、 ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-6645J53.2.4 Identification of samples.Each sample shall be plainly identified by a securely attached, durable tag marked withthe following information:a. Sample for qualification inspectionb. Name of product (parachu
22、te assembly or components)c. Manufacturers designation or numberd. Name of manufacturere. Submitted by (name and date) for qualification inspection with the requirementsof MIL-DTL-6645 under authorization (reference authorizing letter)3.2.5 Qualification tests.Qualification tests shall consist of al
23、l tests and examinations necessary to assureproducts submitted conform to the Technical Data Package (TDP) for the associateditem.3.2.6 Plant inspections.The qualification activity reserves the right to conduct plant inspections during thequalification process or at anytime after a manufacturer is l
24、isted on the QPL. A minimumof five days notice must be given to a manufacturer to conduct an inspection. ISOstandards or pre-award surveys may or may not be accepted in lieu of an actualinspection. The inspections are intended and designed to help the qualification activitydetermine if a contractor
25、is capable of manufacturing QPL items in a productionenvironment. The qualification activity shall have at its disposal, and available tocontractors, the inspection requirements. Failing a plant inspection shall be cause for acontractor to not be included on, or to be removed from, the QPL.3.2.7 Sub
26、contracting.Prime contractors may not subcontract the fabrication of any parachute componentsunless the subcontractor is qualified to do so by the qualifying activity. Qualificationtimes may take as long as 6 months (see 3.2.8). Parachute subassemblies(components without a part number designation) m
27、ust be individually qualified (the sameas a part number) by contractors which have multiple plants. Qualifying activities shallfile with the preparing activity of the QPL a list of subassemblies which have beenqualified.3.2.8 Qualification notifications.The preparing activity of the QPL (see 3.2.2)
28、shall notify contractors of the results ofqualification testing within 45 days after the qualifying activity has completed thequalification examination. Contractors shall allow the qualifying activity 6 months tocomplete an initial qualification examination.3.3 Materials.Materials shall conform to t
29、he requirements of the TDP for the associated item, tosubsidiary specifications and standards applicable thereto, and as specified herein.3.3.1 Recycled, recovered, or environmentally preferable materials.Recycled, recovered, or environmentally preferable materials should be used to themaximum exten
30、t possible, provided the material meets or exceeds the operational andmaintenance requirements and promotes economies advantageous to life cycle costs.Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-6645J63.3.2 Textiles.Textile materials that
31、 are more than 3.5 years old (as evidenced by the date ofmanufacture marked on the rolls or containers-see 3.3.2.1) shall not be used in thefabrication of parachute assemblies. The Government reserves the right to examine thecontractors records to validate the age of textile materials and to reject
32、assemblieswhich use noncompliant materials.3.3.2.1 Date of manufacture, textile.The date of manufacture is defined as the last date which the textile materials haveundergone a manufacturing operation. To properly identify the age of textile materialsfor government use, the textile manufacturer shall
33、 place a tag on the finished goodsidentifying the specification to which the material is manufactured, the roll number fromthe lot, the lot number, and the date of manufacture.3.3.3 Marking ink.The ink for marking textile parachute assemblies shall be in accordance with A-A-59291or as specified in t
34、he TDP for the associated item. Colors and types shall be specified inthe TDP for the associated item. If a shade of a color is not specified in the TDP, thecontractor may use any color shade as long as the nomenclature is legible.3.3.4 Hardware.Hardware parts utilized in the construction of the par
35、achute assemblies and componentsshall conform to the TDP for the associated item.3.4 Construction.Details of construction shall be in accordance with MIL-P-7567, manufacturingspecifications supplied by the procuring activity, the TDP for the associated item, and theadditional requirements specified
36、herein (see 3.5).3.4.1 Assembly aids.Drilling, notches, stapling, basting or any other such techniques used as aids in themanufacturing process of parachutes shall be kept to a minimum, and the use thereofshall be restricted to the same limitations as marking (see 3.4.2). All assembly aids,such as s
37、taples, shall be removed during or after assembly. For Navy and Air Forceprocurements, hot glues are not authorized as an assembly aid.3.4.1.1 Basting.Basting requirements shall be as specified in the TDP for the associated item or be inaccordance with common industry practices. Basting stitches sha
38、ll not be seen in thefinished seam or assembly. Contractors unfamiliar with commercial practices shallcontact the contracting officer for specific details prior to assembly of the item.3.4.2 Assembly markings.Markings of pack, canopy, harness, riser, and other components as an aid to assembly,and to
39、 indicate stitching patterns, shall be accomplished in a manner that will notadversely affect the utility, strength, or appearance of the parachute.3.5 Other details of construction.Specified below are other details of construction for canopy, harness, pack andcontainer:Provided by IHSNot for Resale
40、No reproduction or networking permitted without license from IHS-,-,-MIL-DTL-6645J73.5.1 Canopy.3.5.1.1 Suspension lines.Suspension lines shall be continuous and without splices or knots for each lengthspecified by the TDP for the associated item. All lines for one canopy shall be madefrom the same
41、continuous length of cord. Lines damaged during the process of canopymanufacture shall be replaced with lines fabricated by the same line manufacturer.Lines being tensioned on multiple pulley systems shall be measured and marked as onecontinuous length for the entire canopy and shall not be anchored
42、 at any intermediatepoints between the ends of the lines.3.5.1.1.1 Tensioning of suspension cord line.The following suspension lines shall be marked under the specified tension unlessotherwise specified in the TDP for the associated item:Line Conforming To TensionNylon Cord PIA-C-5040,Type III 20 +
43、1 poundNylon Cord PIA-C-5040,Type II 10 + 1/2 pound3.5.1.1.2 Checking of pulley systems.Pulley systems used for tensioning lines during marking shall be checked each day tomaintain specified tension of each line.3.5.1.1.3 Marking of suspension lines.Marking shall be done in a manner that ensures the
44、 final dimensions of the assembly orcomponent meet the TDP for the associated item when measured within 30 5 secondsafter the tension is applied.3.5.1.2 Air permeability.When tested in accordance with 4.7, complete canopies or pilot chutes shall have anaverage permeability of not more than 10 percen
45、t over the top limit or 10 percent belowthe lower limit of the fabric specification. The average air permeability reading for anyone gore or cell shall not exceed the upper limit nor be less than the lower limit of thefabric specification by over 20 percent.3.5.2 Harness, pack, and container.3.5.2.1
46、 Pull of ripcord.The force required to operate the manual ripcord system of a packed parachute to causepositive opening of the parachute pack or container shall not exceed 27 pounds, or therequirements as established by the procuring activity and/or applicable technicaldocuments, when tested in acco
47、rdance with 4.7. This requirement is applicable to allripcord-actuated parachute types. (When stated limits are exceeded for Navyassemblies, the Naval Air Warfare Center, Code 46000D, China Lake, CA facility shallbe notified in addition to those agencies required by the contracting authority.)Provid
48、ed by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-6645J83.5.2.2 Parachute packs, container.For packs or containers using the pack cone and grommet closure system, the systemshall have sufficient clearance when the pack or container is closed so that
49、the ripcordpins may be inserted without scoring or binding the grommets.3.5.2.3 Parachute packs, containers.For packs or containers that are closed by the method of lacing a pack-closed cordthrough grommets, the grommets shall be free of broken and sharp edges which tend tocut or abrade the lacing cord.3.6 Identification of product.Equipment, assemblies, and components shall be marked for identification inaccordance wit
