1、 MIL-R-43003F W 7777906 1774528 LOB M MIL-R-43003F 12 Januw 1994 MIL-R-O043003E(GL) 13 August 1992 AND MIL-R-4 3003D 26 March 1970 SUPERSEDIIG MILITARY SPECIFICATION RELEASE, CARCX3 PARACMAE, 5000-pcuND CAPACITY This specification is approved for use by all Departments and Agencies of the Department
2、 of Defense. 1. SCOPE 1.1 Scope. This specification covers one type of 5000-pound capacity, cargo parachute release assembly consisting of a release mechanism, a delay assembly (firing mechanism), and a link assembly. Delay assemblies and link assemblies my be procured separately (see 6.2). The dela
3、y assembly employs a 20-second time delay cartridge which is stocked separately (see 6.4). 2. APPLICABLE Ixxmmws 2.1 Goverrunent documents. 2.1.1 Specifications, standards, and handbooks. The follawing specifica- tions, standards, and handbooks form a part of this document to the extent specified he
4、rein. 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). Beneficial cormients (recmndations, additions, deletions) and any per
5、tinent data which my be used in improving this d0C;ument should be addressed to: U.S. Army Natick Research, Developnt, and Engineering Center, Natick, MA 01760-5017, by using the Standardization bmnent Improvemnt Proposal (DD Form 1426) appearing at the end of this doc=ument or by letter. AMSC N/A F
6、SC 1670 DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-R-Y3003F 999990b 1974529 044 STANDARDS MILITARY MIL-STD-105 - Sampling procedures and Tables for Inspection
7、by Attributes MIL-STD-129 - Marking for Shipnt and Storage MIL-STD-147 - Palletized Unit -cis 1vI;i,-STD-2073-1 - DoD Material Procedures for Developnent and Application of Packaging Requirements (Unless otherwise indicated, copies of federal and military specifications, standards, and handbooks are
8、 available from the Standardization Documents Order Desk, Building 4D, 700 Robbins Avenue, Philadelphia, PA 19111-5094.) 2.1.2 Other Government documents, drawinqs, and publications. The following other Government documents, drawings, and publications form a part of this docrument to the extent spec
9、ified herein. the issues are those cited in the solicitation. Unless otherwise specified, DRAWINGS U.S. ARMY NATICK RESEAw=H, DEYEXOMENT, AND ENGINEERING CX“F,R 11-1-4786 - Release Assembly, Cargo Parachute, 5000 Pound Capacity (Copies of drawings are available from the U.S. Amy Natick Research, Dev
10、elopent, and Engineering Center, ATI!N: SAW-MII, Natick, MA 01760- 5017. ) 2.2 Non-Govemnt publications. The follawing document forms a part of this document to the extent specified herein. the issues of the doniments which are DOD adopted are those listed in the issue of the DODISS cited in the sol
11、icitation. the issues of documents not listed in the DODISS are the issues of the documents cited in the solicitation (see 6.2). Unless otherwise specified, Unless otherwise specified, AMERICAN soCI!ZIY FOR TESTING AND MATERIAT-S (ASIM) D 3951 - Standad Practice for Conmercial Packaging (Application
12、 for copies should be addressed to the American Society for Testing and Materials, 1916 Race Street, Philadelphia, PA 19103-1187.) 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-R-43003F m 99999Ob 1774530 Bbb m MIL-R-43003F (Non-Government sta
13、ndanis and other publications are normally available from the organizations that prepare or distribute the documents. documents also may be available in or through libraries or other informa- tional services.) These 2.3 Order of precedence. In the event of a conflict between the text of this documen
14、t and the references cited herein, the text of this document takes precedence. Nothing in this document, however, supersedes applicable laws and regulations unless a specific exqtion has been obtained. 3. REQUIREMENIX3 3.1 First article. When specified (see 6.2), a sample shall be subjected to first
15、 article inspection (see 6.3) in accordance with 4.3. 3.2 Materials and cmnents. The materials and components used in the manufacture of the cargo parachute release shall conform to the requirements specified, or as shown on Drawing 11-1-4786 and the subsidiary detail drawings thereto. practical as
16、long as it meets the requirements of this specification. It is encouraged that recycled material be used when 3.3 Construction. Construction of the 5000-pound capacity cargo parachute release shall conform to Drawing 11-1-4786 and all the subsidiary drawings and parts lists pertaining thereto, and a
17、s specified herein. 3.4 Performance. 3.4.1 Release assembly proofload. The release assembly, components thereof, and load suspension link assably shall show no visual evidence of failure or pemmnent deformation when subjected to a tensile proofload of not less than 15,000 pounds for not less than 15
18、 seconds when tested as specified in 4.4.5. 3.4.2 Delay assembly sear extraction force. The sear extraction force of the delay assembly shall be 15 pounds, plus or minus 7 pounds when tested as specified in 4.4.5. 3.4.3 Release mechanism. The link assembly shall separate from the release mechanism w
19、hen the reduced tensile load reaches 1000 pounds, plus or minus 200 pounds, when tested as specified in 4.4.5. 3.5 Worlamnship. The worlananship of the release assembly and components thereof shall conform to the quality of product established by this specification and the occurrence of defects shal
20、l not exceed the applicable quality levels. 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 3 Provided by IHSNot for ResaleNo reproduction or networking permitted withou
21、t license from IHS-,-,-NIL-R-43003F M 9999906 L97q53L 7T2 M MIL-R-43003F of all inspection requirements (examinations and tests) as specified herein. Except as otherwise specified in the contract or purchase order, the contractor my use his m or any other facilities suitable for the perform- ance of
22、 the inspection requirements specified herein, unless disapproved by the Government. inspections set forth in this specification where such inspections are deemed necessary to ensure supplies and services conform to prescribed requirements. The Government reserves the right to perform any of the 4.1
23、.1 Responsibility for compliance. All it- shall meet all requirements of sections 3 and 5. specification shall becane a part of the contractors overall inspection system or quality program. specification shall not relieve the contractor of the responsibility of ensuring that all products or supplies
24、 suhnitted to the Government for acceptance comply with all requirements of the contract. inspection, as part of manufacturing operations, is an acceptable practice to ascertain conformance to requirmnts, however, this does not authorize sWssion of knm defective material, either indicated or actual,
25、 nor does it cornnit the Government to accept defective material. The inspection set forth in this The absence of any inspection requirements in the Sampling 4.1.2 Responsibility for di.mmsional reuu irements. Unless otherwise specified in the contract or purchase order, the contractor is responsibl
26、e for ensuring that all specified dimensions have been met. When dimensions cannot be examined on the end item, inspection shall be made at any point, or at all points in the manufacturing process necessary to ensure compliance with all dimensional requirements. 4.2 Classification of inspection. The
27、 inspection requirements specified herein 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 3.1 and 6.2), it shall be examined for the defects specified in 4.4.3 and 4.4.4
28、 and shall be tested for the characteristics specified in 4.4.5. nonconformance shall be cause for rejection of the first article. Any 4.4 Quality conformance insmtion. Unless otherwise specified, sampling for inspection shall be performed in accordance with MIL-SID-105. 4.4.1 Cmmnent and material i
29、nspection. In accordance with 4.1, canponents and materials shall be inspected in accordance with all the requirements of referenced docurrents unless otherwise excluded, amended, modified, or qualified in this specification or applicable purchase document. 4.4.2 In-process inspection. Inspection of
30、 subassemblies ascertain that construction details which cannot be examined 4 shall be made to in the finished Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-R-43003F = 9999906 1974532 639 MIL-R-43003F product are in accordance with specified re
31、quirements. reserves the right to exclude fran consideration for acceptance, any material or service for which in-process inspection has indicated nonconformance. The Government 4.4.3 End item visual examination. The end items shall be examined for the defects listed in table I. complete cargo parac
32、hute release assemblies consisting of a release mechanism, delay assembly, and a link assembly. The sample unit shall be one complete cargo parachute release assembly with release mechanism, delay assembly, and link assembly. The inspection level for complete release assemblies, (link assemblies and
33、 delay assemblies, when procured separately), shall be III. The finding of any defect for complete release assmblies, (link assemblies and delay assemblies, when procured separately) shall be cause for rejection of the lot. The lot size shall be expressed in units of TABLE I. End item visual defects
34、 Classification Examine Defect Major Minor Finish unitteci or not type specified 101 Coating powdery, coarse grained, mottled, not adherent, evidence of corrosion 102 Supplementary treatment omitted, not type specified, tacky 103 Color not as specified 104 Dirt, oil, grease or other foreign matter 2
35、01 Design Construction anci mrkmnship Any departure from design speci- fied on drawings 105 Surface roughness value in excess of rating specified on drawings 106 Any camponent missing, cracked, malformed, misaligned, damaged 107 Sharp edges, burrs or metal slivers 108 Components incorrectly assemble
36、d 109 Components loose 110 Movement of parts inhibited ill Threadd sections damged 112 Identification Missing, incomplete, illegible, marking improper location, or not as specif id 202 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-R-43003F 99
37、99906 1774533 575 m MIL-R-43003F 4.4.4 End item dimensional examination. The end items shall be examined for conformance to the dimensions specified on the drawings. dimensions that can be evaluated without damaging or disassembling the end items shall be examined. Any dimension not within the speci
38、fied tolerance shall be classified as a defect. The lot size shall be expressed in units of complete cargo parachute release assemblies consisting of a release mechanism, delay assembly, and a link assembly. The sample unit shall be one complete cargo parachute release assembly with release mechanis
39、m, delay assembly, and link assembly. parachute release assemblies consisting of a release mechanism, delay assembly and a link assembly shall be S-2. complete cargo parachute release assemblies, consisting of a release mechanism delay assemblies and link assemblies, shall be cause for rejection of
40、the lot. Only those The inspection level for the complete cargo The finding of any defect for the 4.4.5 End item testinq. The end it- shall be tested for the characteristics listed in table II. The lot size shall be expressed in units of: complete release assemblies and link assemblies (less delay a
41、ssemblies, sear spacers and attachment bolts): link assemblies: delay assenblies. The sample unit shall be one complete release assembly and link assembly (less delay assembly, sear spacer and attachment bolt), one link assembly, or one delay assembly, as applicable. Release assembly proofload and r
42、elease mechanism operation tests specified in table II shall be performed on the same release in the sequence specified in 4.5.1 and 4.5.3. levels shall be as specified in table II. cause for rejection of the lot. The inspection The finding of any defect shall be TABLE II. End item tests Requirement
43、 Test Inspect ion Characteristic paragraph method level Proofload for: Release assembly with 3.4.1 4.5.1 I link assembly or link assembly only if procured separately Delay assembly 3.4.2 4.5.2 s-4 sear extraction force peration of the 3.4.3 4.5.3 I release mechanism 4.4.6 Packaqinq examination. The
44、fully packaged end it- shall be examined for the defects listed below. The lot size shall be expressed in 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-R-q3003F 0b 5974534 401 MIL-R-43003F units of shipping containers. container fully package
45、d. any defect shall be cause for rejection of the lot. The sample unit shall be one shipping The inspection level shall be S-2. The finding of 0 Examine Defect Marking (exterior unitted; incorrect; illegible; of improper size, and interior) location, sequence, or method of application Materials Any
46、component missing, damaged, or not as specified Workmanship Inadequate application of components, such as: incoqlete sealing or closure of flap, improper taping, loose strapping, or inadequate stapling Bulged or distorted container Content Number per container is more or less than required 4.4.7 Pal
47、letization examination. The fully packaged and palletized end items shall be examined for the defects listed below. The lot size shall be expressed in units of palletized unit loads. The sample unit shall be one palletized unit load, fully packaged. The finding of any defect shall be cause for rejec
48、tion of the lot. The inspection level shall be S-l. Examine Defect Finished dimensions Length, width, or height exceeds specified maximum requirement Palletization Pallet pattern not as specified Load not bonded as specified O Weight Exceeds maximum load limits Marking unitted; incorrect; illegible;
49、 of improper size, location, sequence, or method of application 4.5 Methods of inspection. 4.5.1 Release assembly proofload test. The release and link assembly (less the delay assembly, sear spacer and attaching bolt) shall be assembled with the link assembly in the 2201 to 5000 pound position and the catch locked by rotating the spinner fully clockwise as shown on Drawing 11-1-4786. Secure the release and link assembly in a tension testing device by coup
