NAVY MIL-M-21676-1958 MINE CASE MARK 36 MOD 2《2型36号炸弹》.pdf

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1、 1 5 *37.03 . 141L-14-=21676 (iiOrd-) 19 Noveinbcr 1 as . SUPERSEDING NAVORD OS 3113G 20 February 3956 MILITARY SPECIFICATION MINE CASE MARK 36 NOD 2 1. SCOPE 1.1 This specification establishes the requirements for the procurement of the Mine Case Mark 36 Moa 2. case is a steel case comprised of a c

2、harpe compartm ant and a.n instrument compa-rtment, the latter providing means for mount- ine therein the various control elements of the mine. The mine 2, APPLICABLE DOCUMNTS 2.1 The followinc specifications, standards, drawings) and Fublications of the issue in effect on date of invitation for bid

3、s, form a part of this specification. STANDARDS MILITARY MIL -STD-l O 5 MIL-STD-129 Sampling Procedures and Tables for Inspection by Attributes, Marking for Shipment and Stor- age DWV IN GS r! EIJREAU OF ORDRANCE .LD 139234 Mine Crate Mark 36 Mod O. LD 139327 Mine Case Mark 36 Pod 2. 384423 General

4、Arrangement Mine Crate Mark 36 Mod O. And all documents listed in the above LDs and drawings, 7 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-PUBLICATIQNS BUREAU OF ORDNANCE NAVORD OP 400 . ., _. . .: . .- .- General Instructions for y Design, Manu

5、facture and In- spection of Naval Ordnance Equipment. (Copies of specifications standards , drawings and pub- lications required by contractors in connection with specific procurement functions should -be obtained from the procuring activity or as directed by the contracting officer.) 3 REQUIREMENTS

6、 3.1 General requirements, 3.1.1 The Mine Case Mark 36 Mod 2 shali be manufactured in accordance with LD 139327 and all documeqts listed there- on. QP 400 shall be complied with as applicable: in the contract or order, a preproduction sample shall be manufactured by the same procedures and processes

7、 and at,the same location as proposed for full production. will be tested for the.purpose of determining compliance with the requirements of this specification; the drawings, and the contract. See 4.1.2. Interchangeability, - Component parts of assembl- ed units (unless otherwise specified on the, a

8、pplicable draw- ings) fabricated in strict agreement with their applicable drawings shall be interchangeable and shall-assemble with mating components of the unit without selection or fittihg. If, during assernb1.y of the fabricated parts. of a unit, se1.ec-t- ion or fittir!g is required and changes

9、 in dimensions are necessary, no changes in the parts as delineated on applicable drawings shall be made without prior approval of the Bureau 3.1.2 3.1.3 The requirements and procedures established in Prenroduction samiile, - Unless otherwise specified This sample .- One (1) manometer. See 4.5.3.1.

10、(b) Sufficient measuring instruments to per- farir, dimensional inspection. See 4.5.2.1. (c) External air supply with gauge capable of reading 25 psi. (d) Water tank for submerFing-the mine case. 4.5.1 Test conditions. - Unless otherwise specified, test; si-all. be performsd at temperatures from 65-

11、 F to 95O F acd erik.i;en-t; relative humidity. 4.5.2 Visiial inmection. - The mine case and its com- pcnent parts shall be inspected to verify that the material-s, desig!n, construction, physical dirnensionc, and workmanship are ir1 accordance with this document ant!- the drawings. i Provided by IH

12、SNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-4.5.2.1 Dimensions. - Inspection shall be conducted for conformance to the requirements of the drawings. shall be used as available. made on the complete case with particular attention to the following areas of assem

13、bly. Inside diameter of flange for extender. Inside diameter of flange for clock starter Gages Inspection operations shall be (a) (b) (c) Distance from flange fayng surface to inside bottom of extender well, (d) (e) Bolt circle diameter and bolt Bolt circle diameter and bolt for extender . for clock

14、 starter. (f) Inside diameter of coil tube. (g) Inside length of mi1 tube, (h) Location and spacng of holes pads for the suspension lugs, after th to the case. (i) Profile and location of holes prior to assembly on the case. spacing -in flange spacing in flange in suspension lug pads have been welde

15、 of suspension lugs (j) Inside diameter of coil tube coupling, f (k) Bolt circle diameter and bolt spacing in flange, for tail cover, (1) Inside diameter of flange for tail cover. (m) Inside diameter of extender well (n) Location of center of extender well with relation to center of extender well fl

16、ange. 4.5.3 LeakaEe tests. i i 4.5.3.1 Test for leakape betueer, compartmen1267; (i.1 or+) .- opening which shall -be fitte ith a connection for. supplying air under pressure. closed with properly gasketed plates with.one plate including an opening to which shall be f-ittea a manometer, test item 4.

17、4.1.1 (a). be increasecl to a pressure of five pounds per square inch and maintained at this pressure. Any chanee of pressure in the instrument compartment as evidenced by a difference of levels of water in the manometer after three minutes shall be cause for rejection of the mine case. The instrume

18、nt compartment shall be The air pressure in the charge cornpartment .shall 4.5.3.2 !pLt-for leakape. in outer case wall, *- To deter- mine compliance with 3.5.2, the following test pmcedure shall be followed. All openings of thecase chal be .closed with properly gasketed plates One closurefor tho in

19、ctru- ment cornpartnent and one closure for the charge compartment shall be equipped with suitable connections .for supplying air under pressu-se equally to both compartments .of the case Sub- merpe the case in uater (testitem 4.4.1.1 (a) and increase the pressure within the mine case to twenty-five

20、 pounds per square inch, ushg test item 4.4.1.1 (c). byhile so submerged, examine for at least ten minutes al.1 exposed surfaces of the case for the appearance of bubbles. The appearance of bubbles escaping from the cace, indicating leakage, shall be cause for rejection of the mine case. 4,S.h kccep

21、taiEe criteria. - Failure of amy mine caze to meet any of the requirements and tests of this specif%- catim shall result in rejection of the mine case If the number of fail-ing caces exceeds the number permitted by the associated criter:ia, the lot represented will be rejected. 5* PREPARkTIOII 5.1 P

22、ackinSr. 5.1.1 Level A. 5.1.1.1 Unless packed for shipment Ordnance LD 139234. 5.1.2 Level C, FOP DELIVRY othertrice specified the ca,ce shall be in the Crate Mark 36 Mod O, Bureau of - Not applicable. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-

23、5.2 Marking. 5.2J For location of special marking, See Eureau of Ordnance Drawing 384423 5.2.2 In addition to any special marking required by the contract or order, al1 marking shal.1 be in accordance with Kilitary Standard. MIL-STD-129. 68 IOTES. 6.1 - OrerinE data. - Procurement documents sbould s

24、pecify the title, number and date of this specification, and except- ions to this specification, applicable drawings and other doGumeilts. Procurenent documents shall specify Level A pack- iny requirements for all si-fpments. Natice, - ?t.hen Government drawinys, specif icatioiis, or other 6ata are

25、used for any purpose other than in connection with a definitely related Governxent procurement operation, the United States Government thereby incurs no responsibility nor any obligation whatsoever: and the fact that the Govern- ment may have formulated, furnished, or in any way supplied the sali? d

26、rawings, specifications, or other data is not to be regarded by implication or otherwise as in any mariner 1iceiisr-g the holder or any other person or corpora.tion, or conveyiri.e any riehtc or permission to manufacture, use, or sell any invention that may in any way be related thereto, . . .a-. . =_ i -. , 6- . . Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-