1、MIL-A-23404A 13 999990b 0303345 9 H - -_ - - _- - - - MILiA-23404A (AS) 2 December 1982 - MI L-A-23404 ( Wep ) 25 July 1962 keneficial comnents (recommendations, additions, deletions) and any pert%nt data which may be of use in improving this document should be addressed to: Engineering Specificatio
2、ns and Standards Department (Code 93), Naval Air Engi neeri ng Center, Lakehurst , NJ 08733 by usi ng the sel f-addressed Standardization Document Improvement Proposal (DD Form 1426) appeari ng at the ,end of this document or by letter. MI L I TARY SP EC I FI CAT ION ADAPTER KIT, MARINE MARKER MK 34
3、 MOD O This specification is approved for use by the Naval Air Systems Command, Department of the Navy, and is available for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 SCO e. This specification establishes the requirements for the manu + acture and inspection of t
4、he Adapter Kit, Marine Marker, MK 34, Mod O. 2. APPLICABLE DOCUMENTS 2.1 Government documents. 2.1.1 Specifications, standards, and handbooks. Unless otherwise specified, the folMdbooks of the issue listed in that issue of the Department of Defense Index of Specifications and Standards (DODISS) spec
5、ified in the solicitation form a part of this specification to the extent specified herein. STANDARDS MI L I TARY MI L-STD-105 MI L-STO-129 MIL-STD-1168 Sampling Procedures and Tables for Inspection by Attri bu te s. Marki ng for Shi pment and Storage. Arrmuni tion Lot Numberi ng. THIS DOCUMENT CONT
6、AINS &L. PAGES. - - - - FSC 1370 Licensed by Information Handling ServicesflIL-A-2340qA 13 m 779770b 0303346 O m 2.1.2 Other Government documents, drawings and publications. The following other Government documents, drawings, and publications form a part of this specification to the extent specified
7、 herein. DRANI NGS NAVAL AIR SYSTEMS COMMAFID L8282828 LD28283 O Adapter Kit, Marine Marker, MK 34 Mod O. BOX, Shipping and Storage, Marine Adapter Kit. SA2 52291 3 Assembly, Test Fixture, MK 34 Kit. 1331 9 91 Package, Shi ppi ng , Storage 121 2853 Adapter Ki t. 1212851 Leaf Spring Assembly. 112961
8、8 . U Pin. (Copies of specifications, standards, handbooks, drawings, and pub1 ications required by manufacturers in connection with specific acquisition functions should be obtained from the contracting activity or as directed by the contracting officer. ) 2.1.3 Order of precedence. this specificat
9、ion and the references cited herein, the text of this specification shall take precedence. In the event of a conflict between the text of 3. REQUIREENTS 3.1 First article. When specified, a sample shall be subjected to first article inspection (see 4.3 and 6.3). 3.2 Material, Unless otherwise specif
10、ied in the contract, or purchase order, al 1 material s and purchased parts entering into the fi na1 assembly of the adapter shall conform strictly to the detail requirements indicated on the drawings and specifications listed on LD 282828 or as specified herein. 3.3. Design and construction. adapte
11、r kit (drawing lrlz853) shall be of the design, construction and physical dimensions specified in LD282828. The adapter kit shall consist of a cadmium plated steel mtainer nominally three inches in diameter and 2-1/16 inches deep. A coil spring, approximately two inches in diameter, shall be secured
12、 in the bottom of the retainer. A cadmium plated steel spring assembly shall have a plug seal at each end and shall be attached to the coil spring with a wire. The assemblies and component parts of the 3 2 Licensed by Information Handling ServicesMI L-A-23404A (AS ) 3.4 Performance characteristics.
13、3.4.1 Sealing. The adapter kit shall withstand an external hydrostatic pressur- psig minimum to 6.0 psig maximum for a minimum period of 30 seconds without leakage into the fuze simulator cavity when tested as specified in 4.5.1. 3.4.2 Leaf spri ng embri ttlement. The 1 eaf spri ng (drawing 121 2851
14、 ) shall not crack or break when tested as specified in 4.5.2. 3.5 Workmanship, The product, in all stages of production, shall be processed under such inspection control as to assure uni formi ty in qual i ty. There shall be no imperfections or deviations from the specification affecting the functi
15、oning or assembly of the product. Where applicable, al 1 material shall be free of pits, corrosion, cracks, spalls, rough edges, etc. All components shall be free of chips, dirt, grit, or other foreign material. The cleaning methods used shall not be injurious to any of the parts nor shall the parts
16、 be contaminated by the cleaning agents employed. 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 of all inspection requirements as specified herein. Except as otherwise
17、 specified in the contract or purchase order, the contractor mj use his own or aw other facilities suitable for the performance of the inspection requirements specified herein, unless disapproved by the Government. The Government reserves the right to perform any of the inspections set forth in the
18、specification where such inspections are deemed necessary to assure supppl ies and servi ces conf om to prescri bed requirements. 4.2 Classification of inspections. The inspections specified herein are -. classified as follows: a. First article inspection (see 4.3). b. Quality conformance inspection
19、 (see 4.4). 4.3 First article inspection. First article inspection shall be performed at a laboratory acceptable to the Government on sample units produced with equipment and rocedures normally used in production. First article under inspection methods (see 4.5) . inspection sha P 1 consist of all t
20、he tests of this specification as specified 4.3.1 .Sam le. Unless otherwise specffied (see 6.3) in the contract or purchase _.Fib. o er, the first article sample shall consist of forty adapter kits. Approval of the first article shall be based on no defects allowed in a unit. 4.4 Quality conformance
21、 inspection. Quality conformance inspection shall consist of all the tests specified under inspection methods (see 4.5). 4.4.1 Inspection lot. unless otherwise specified by the procuring agency, each inspection lot shall consist of 3000 units. The inspection lot definition, formation and size shall
22、be in accordance with MIL-STD-105. 3 Licensed by Information Handling Services4.4.2 Sampling lan. Samples shall be se3ecked at-random from the inspection lot. for _Il_erc t e sea ing test (see 4.5.1), samples.shal1 be inspected in accordance with-MILLSTD-105, special inspection level S-4, acceptance
23、 quality level (AQL) 2.5:pement defective. “For the 4eaf-sprPng embri ttlement test (see 4.5.2), failure of one or more leaf -springs (drawing 121 2851 ) shall be cause for rejection of the inspection lot-represented. 4.5 Inspection methods. 4.5.1 Sealing. Sample adapter kits shall be assembled on t
24、he fuze simulator, drawing-3, sheet 6, -wi%h- the U-pin (drawing 1129618) in place and submerged in water under Jiydrostatic -pressure as -specified in 3.4.1. Release the pmssrtre and remove from tank. -Adapter kits -shall be inspected through the plastic end for presence of wter in the fuze, simula
25、tor cavity. Defectives are adapter kits failing to meet the requirements of 3.4.1. 4.5.2 Leaf spri ng embri ttlement. After completion of the seal test, al 1 samples shall be subjected to the leaf spring embrittlement test as follows. Remove seal plugs. Wrap the leaf spri ng (drawing 121 2851 ) arou
26、nd a two inch diameter rod and leave for a period of 165 +15 hours. The leaf spring may be held by tape or atv other method that does Fot add support to the spring. Defectives are lead springs failing to meet the requirements of 3.4.2. 4.5.3 Examination. Adapter kits shall be inspected for- conforma
27、nce to the mquirements of this specification with respect to material, design, construction and workmanship (see.3.2, 3.3 and 3.5). 4.5.4 Inspection of packaging. -The sampling and inspection of the packing and container marki ng shall be in accordance with LD282830, 1331 991, MIL-STD-129 and MIL-SI
28、D-1168 (see 5.2 thru 5.3.2). 5. PACKAGING 5.1 Preservation. Not applicable. 5.2 Packing. Packing shall be level A only. 5.2.1 Level A. Sixty adapter kits shall be packed in accordance with LD28283D per container drawi ng 1331 991. 5.3 Markina. 5.3.1 Normal marking. Boxes shall be marked in accordanc
29、e with container drawing 1331991 . Marking shall confarm to the requirements of MIL-STD-129. 5.3.2 Ammunition lot number. Ammunition lot-number shall be in accordance with MIL-STD-1168. 6. NOTES 6.1 Intended use, The Adapter Kit, Marine Marker, MK 34, Mod O is intended for use with the Marker, Locat
30、ion, Marine +lK 25, Mod o in the gravity drop equipment on aircraft. :$ 4 Licensed by Information Handling Services- MIL-A-23404A 13 979990b 0303399 b 6.2 Ordering data. 6.2.1 Acquisition requirements. Acquisition documents should specify the fol 1 owi ng: a. Title, number, and date of this specific
31、ation. b. Quantity required. c. First article inspection (see 6.3). 6.3 First article. Wen a first article inspection is required, the item will be tested and should be a first article sample. When a contractor is in continuous production of adapter kits from contract to contract, consideration shou
32、ld be given to waive the first article inspection. The contracting officer shall include specific instructions in the contract or purchase order regarding arrangements for examinations, tests and disposi tion. 6.4 Changes from previous issue. Asterisks are not used in this revision to identify changes with respect to the previous issue due to the extensiveness of the changes. t Cu stodi an : Navy - AS Prepari ng Ac ti vi ty : (Project No. 1370-Nl77) Navy - As 1 5 Licensed by Information Handling Services
