1、7i .c MIL-A-21430B(OS ) 1 November 1974 SUPERSEDING MIL-A-21430A( 0s) 24 May 1971 MILITARY SPECIFICATIOX ACCESSORY SET MARK 1 MO3 1 This specification is approved for.use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This specification establishes the requirements
2、 for the procurement of Accessory Set Mark 1 Mod 1, LD 479701, referenced herein as the the accessory set. 2.1 Jn 2. 2.1 for the The Accessory Set Mark 1 Mod 1 includes the following: (a) Cable Assemblies, CA-55, CA-57, CA-58, CA-90, CA-91, CA-796 (i) Adapters, Test, Mark 21 Mod O, Mark 26 Mod O, Ma
3、rk 28 Mod O CA-797, CA-799 ad CA-1321. and Mark 38 Mod O. APPLICABLE DOCUMENTS The following documents, of the issue in eifect on date of invitation bids or request for proposal, form a part o:? this specification to extent specified herein. SPECIFICATIONS FEDERAL PPP-F-320 Fiberboard: Corrugated an
4、d Solid, Sheet Stock PPP-B-601 Boxes, Wood, Cleated-Plywoo.1 PPP-B-621 PPP-B-636 Boxes, Shipping, Fiberboard PPP-C-843 Cushioning Material, Cellulxic PPP-B-1055 Barrier Material, Waterppoofed, Flexible (Container Grade) , and Cut ;hapes Boxes, Wood, Nailed and Locc Corner % TH IS DOCUMENT CONTAI NS.
5、 Adapter, Test , Mark 26 Mod O Descriptions and Requirements Adapter, Test, Mark 28 Mod O Descriptions and Requirements Adapter, Test, Mark 38 Mod O (Copies of specifications, standards, drawings and publications required by suppliers in connection with specific procurement functions should be obtai
6、ned from the procuring activity or as directed by the contracting officer. ) 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-A-21q308 LI9 M 7977906 02LI5587 5 r :IL-A-21430B( OS) 2.2 Other publications. The following document forms a part of th
7、is . specification to the extent specified herein. the issue in effect on date of invitation for bids or request for pro- posal shall apply. -Unlsss otherwise indicated, NATIONAL BUREAU OF STANDARDS Handbook H28 Screw Thread Standards for the Federal Services (Application for copies should be addres
8、sed to the. Superintendent of Documents, Government Printing Office , Washington 25 , DC 20402. 3. REQUIREMENTS 3.1 Description. The components of Accessory Set Mark 1 Mod 1 me used, individually, with Test Set Mark 127 in perLorming load, no-load, continuity and leakage resistance tests on batteres
9、 used in underwater mines. The adapters (see 1.2 (b) incorporate locid resistors and meter multiplier resistors to adapt Test Set Mark 127 to the particular battery under test; i ,* 3.1.1 The following tabulation is a cross refecence of each component (see 1.2) and the batfery with which it COMPONEN
10、T Cable Assembly Cable Assembly Cable Assembly Cable Assembly . ,. Cable Assembly Cable Assembly Cable Assembly Cable Assembly . ,. Cable Assembly Adapter, Test , Adapter , Test, Adapter, Test, Adapter, Test, CA- 5 5 CA-57 CA-58 CA-9 O CA-91 CA-796 CA-797 CA-799 CA-132 1 Mark 21 Mod O . Mark 26 Mod
11、O Mark 28 Mod O Mark 38 Mod O is associated. BATTERY Elark 111 Hod 1 Mark 112 ,%od 1 Mark 113 Mod 0 Mark 109 Mod 1 Mark 110 Mod 1 Mark 106 Mod O Mark 105 Mod O Mark 108 Mod O Mark 116 Mod 1 Mark 121 Mod O Mark 114 Mod O Mark 115 Mod 1 Mark 117 Mod O 3.2 General requirements. 3.2.1 First article samp
12、le. Unless otherwise specified in the contract or order (see 6.2), a first article sample of th- accessory set is required and shall-be manufactured using the met Iods aad procedures proposed for production. Section 4 for the purpose of determining that, prior to starting production, the contractors
13、 production methods are capable of producing items that comply with the technical requirements of the ccntract (see 4.3.1) . The sample shall be tested as specified in Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-I - MIL-A-21430B 47 7777706 02Ll5.
14、588 7 MIL-A-21430B(OS) 3.2.2 Materials. Unless otherwise specified in the contract, requisition . or order (see 6.2) all materials and purchased parts entering into the final assembly of the accessory set shall be in strict accordance with the detailed requirements of the documents listed or LD 4797
15、01. 3.2.3 Finishes, coatings, construction and dimensions. Finishes, coatings, construction and dimensions for the Accessory Set shall be in accordance with the applicable documents listed on LD 479701. 3.2.4 Soldering. All connections shall be solder.ed using solder and flux as specified on the dra
16、wings. secure.before soldering. immediately after each soldering operation. The connection shall be mechanically All loose and excess solder shall be removed All fl-ix shall be removed. 3.2.5 Interchangeability. Component parts of assembled units (unless otherwise specified on the applicable drawing
17、s) fabpicated in accordance with their applicable drawings shall be InterChangehle and shall assemble with mating components of the unit without selecticiil or fitting. 3.2.6- Gages. The contractor shall provide himself with whatever gages are necessary and adequate to insure that the material to wh
18、ich this specification applies will meet the dimensiontl requirements shown on the applicable drawings. 3.2.7 Threads. Unless otherwise specified, all threads shall be in accordance with the National Bureau of Standards Himdbook H28. 3.2.8 Requests for deviation. Requests for dev:,ation from this sp
19、ecification, applicable drawings, specifications, publications, materials or processes specified herein shall be as set fort11 in MIL-STD-481. 3.2.9 Conflicting requirements. Conflicting requirements arising between this specification or any specifications, ?ublications or drawings listed herein sha
20、ll be referred in writing to the pocuring agency or appointed agent for interpretation and clarification. 3.3 Performance requirements and product characteristics. The Accessory Set shall meet the following performance requirements and product character- istics : 3.3.1 Electrical continuity. The cab
21、le assemb;.ies and test adapters (see 1.2) shall have .electrical continuity between the directly wired terminals of their respective connectors such tha-: the d-c resistance measured in accordance with 4.6.1 is equal to OF less than 0.E ohm. 4 Provided by IHSNot for ResaleNo reproduction or network
22、ing permitted without license from IHS-,-,-MIL-A-ZL430B 99 W 9999906 0245589 9 MIL-A-214305( OS) c 3.3.2 D-C resistance. The d-c resistances of Load resistors and meten multiplier resistors in each of the cable assemblies and test dapters shall-be within the specified tolerance when tested in accord
23、ance with 4.6.2. 3.3.3 Insulation resistance The cable assemblies and test adapters shall exhibit insulation resistance between each circuit and all other circuits and to ground (defined as unused contacts Emd shells of connectors, center post of battery plugs and metal junction box shells all jumpe
24、red together as a compon ground). The insulation resisi-ance shall be equal to or greater than 500 megohms when measured as specified in 4.6.3 at a test potential of 500 i 50 volts d. c. shall be conducted after the item to be tested has 5een conditione6 for a period of at least twenty-four hours at
25、 a temperatwe of 25 i l0C (77 i 2c;F), at a relative humidity of 75 tl 5 percent. either with the unit stili in the conditioning chaniher or within one-half hour after removal therefrom. The insulat-on resistance test The test shall be performed 3.3.4 Adapter test requirements. Each Test AdaFter, Ma
26、rk 21 Mod O, Mark 26 Mod O. Mark 28 Mod O, or Mark 38 Mod O, shall meet the requirements of OS 7192,*0S 7285, OS 7287 or OS 7667, respectively (see 4.6.4). 3.4 Clean-up. Prior to and after final assembl!; and packaging a1 com- ponents of the accessory set shall be thoroughly c:.eaned of loose, spatt
27、ered, or excess solder, metal chips and filings, or Othe? such foreign matter. Burns and sharp edges as well as rosin flash shall be removed. All com- ponents shall be free of moisture, corrosion, dirt and dust at time of packaging. 3.5 Workmanship. The equipment, including all $arts and accessories
28、, shall be constructed and finished in a manner to zssure compliance with .11 requirements of this specification. neatness and thoroughness of soldering, plating, crimping, marking of parts and assemblies, and freedom of parts from burrs ard sharp edges. of workmariship exhibited in any approved fir
29、st ar: icle sample, sutject to any qualification stated in the Governments notice of approval, shall determine the requirements of the contract relative to workrianship insofar as not speci- fically covered by applicable specifications. Particular- attention shall be paid to The standard 4. QUALITY
30、ASSURANCE PROVISIONS # 4.1 Responsibility for inspection. Unless 0th 2rwise specified in the contract or purchase order, the supplier is respoisible for the performance of all inspection requirements as specified herei-ri. Except as otherwise specified in the contract or order, the supplier my use h
31、is own my other facilities suitable for the performance of the impectlo requirements speci- fied herein, unless disapproved by the Government. The Government reserves the right to perform any of the inspections set forth in the specification where such inspections are deemed necessary to assure supp
32、lies and services conform to prescribed requirements. 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-I. I MIL-A-21430B 47 = 7777706 0245570 5 MIL-A-21430B( OS) 4.2 Classification of inspections. Inspection of the material covered by this specifica
33、tion shall be classified as follows: a. First article inspection (see 4.3.1) b. Quality conformance inspection (see 4.3.2) 4.3 4.3.1 First article inspection. A first article sample of me Accessory Set manufactured in accordance with 3.2.1 shall be subjected to the exam- . inations and tests specifi
34、ed in 4.5 and 4.6 at an activity designated by the procuring agency (see 6.2). Acceptance of the sample shall be based on no defects, to approval of the sample, shall be at the suppliers risk. in spe ct ion S. Further production of the accessory se.:s by the supplier, prior 4.3.2 Quality conformance
35、 inspection. Each accessory set shall be sub- jected to the examinations of 4.5 and the tests of 9.6. sucessfully phssing this inspection shall be accepted. Only accessory sets 4.3.3 Test conditions. Unless otherwise specifled, the accessory sets shall be subjected to quality conformance and firs?.
36、article inspections under the following conditions : a. Temperature: Room dient 14 to 29OC (55 to 85OF) b. Humidity: 35 to 70 percent, relative. 4.4 Special test equipment. The following item: of test equipment are required to perform the tests of 4.6: 4.4.1 Ohmmeter or bridge, direct current, 0.05
37、to 1.00 ohm range; k 5 percent ccuracy . 4.4.2 Wheatstone Bridge, direct current, 1.0 ohm to 2 megohm range, f 0.1 percent accuracy. 4.4.3 Megohmmeter, 500 ,t 50 volts d-c test potential, capable of measuring 500 megohms or more, k 5.0 percent accuracy. 4.4.4 Necessary wires, plugs, etc. for testiig
38、 purposes. 4.5 . Examinations. Each accessory set shall be examined in accordance with 4.5.1 and 4.5,2. 4.5.1 Solder examination. Electrical connectj ons shall be examined prior 2-0 soldering to determine that all connections are mechanically secure. After soldering, the units shall be examined to d
39、eterm:ne solder joints and that-all excess flux and all solder spatter has been removed. that there are no cold 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-A-23Y30B 47 7977906 0245573 7 U 4.5.2 Cleanliness examination. Each accessory set sh
40、all be examined for cleanliness. The presence of any visible moisture, corrosion or other contamination, metal chips, loose solder, burrs or sharp edges shall cause the test set to be regarded as defective. 4.6 Tests. Each accessory set shall be tested as :allows: NOTE: Test probes shall not be used
41、 to make electrical connections to connectors. connectors can be wired or their solder pots can be used as the test points. Jigs made up of mating connectors shall 3e used. Mating 4.6.1 Electrical Continuity (M101). Measure the C-c resistance betwen each directly connected pair of terminals as indic
42、ated in the Eollowing tabulations. having the minimum accuracy and range specified in 4.4.1. resistance exceeding 0.15 ohms shall constitute a deiect. The tests shall be performed using an chmrneter or bridge A measured Cable Assembly CA-55, Drawing Xi60785 : Measure From To Plug Sly Coatact _I_ Plu
43、g P1, Contact Cable Assembly CA-57, Drawing 1-60787 : Measure From To Plug P1, Contact Plug S1, Ccntact Cable Assembly Measure From V T P S R CA-58, Drawing 1260789: TO Plug PI, Contact Plug S1, Contact Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,
44、-MIL-A-2L430B 47 = 7777706 0245572 7 8 Cable Assembly CA-90, Drawing 1274694: Measure From To Plug P1, Contact Plug S1, Sontact 1. 2 7 8 8 Plug S1, A Cable Assembly CA-91, Drawing 1274696: Measure From Tc Plug P1, Contact Plug S1, Contact 1 5 6 8 8 Plug S1,A Cable Assembly CA-797, Drawing 893796 : M
45、easure From TO Plug P1, Contact Terminal Lug, P2 B (-) (Black) Cable Assembly CA-796, Drawin,: 883202 : Measure From TC3 Plug P1, Contact Terminal dug, P5 Cable Assembly CA-799, Drawin 3 883198 : Measure From T.3 Plug P1, Contact Terminal ,?lip, P2 c Provided by IHSNot for ResaleNo reproduction or n
46、etworking permitted without license from IHS-,-,-MIL-A-21430B( OS) Cable Assembly CA-1321, Drawing 3175691 , Measure From To Plug Pl, Contact Plug P2, Con. Each accessory set, packaged as iiescrihed in 5.1.1.3 shall be packed in an overseas-type, wood-cleated plywood box or in a Class 2, Style 2-, 2
47、 1/2 , 3 or 4 nailed wmd box conforming to the requirements of PPP-B-601 or PPP-B-621, respectively. 5.2.1.1.1 When a nailed wood box is selected to be used fol- shipment, box lumber shall conform to Group I, II or III woods of PPP-B-621. lumber shall be of one inch nominal thickness and surfaced on
48、 both sides. A Class H, L-2 or I4 case liner, fabrtcated from flexible water- proofed barrier material conforming to the requirements of PPP-3-1055, shall be incorporated within the shipping container. The 5.2.1.1.2 5.2.2 Level .B and C. (Not applicable) 5.3 Marking. 5.3.1 Special marking. Unless ot
49、herwise specified (see 6.21, no special markings are required 13 A Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-PfIL-A-21430B( OS) 5.3.2 Normal marking. the contract or order, all marking shall be in acccrdance witi? XZL-S22-iZ3, including serial numbers. In addition to any speck 1 inarkinDD Form 1664) hihich ?6ll be documented in the Applicable ADL
