1、 bILITARY SPECIFICATION I SWITCH, HWROSTATIC, hW 63 ElOD O AND MOD 1 This s ecification has been approved by the Bureau of Naval R eapons, Department af the Navy 1. SCOPE 1.1 static Mark 63 Plod O, Bureau of Naval Weapons LD 479921 and Mark 63 Mod 1, Bureau of Naval Weapons U) 545490, for test and e
2、valuation purposes. The Switch, Hydrostatic, Mark 63 Mod O is an integral. of and initiates the switch delay action of the Switch of Naval Wea ons w) and iD 496474. The Switch integral part of the Switch Delay Nark 64 Mod 3. This specification covers the Switch Hydro- , Mark 64 Efod O and 2 Bureau H
3、ydrostatic R lark 63 biod 1 is a similar device and is an 2 . AiPLICAnLE DOCUEENTS 2.1 The following standards, drawings, and publi- cations or such portions thereof as designated herein of the issue in effect on the date of invitation for bids form a part of this specification. STANDARDS El II, ITA
4、IZY 1111,-STD - 1 O5 Et I 1, -SlD - 1 2 9 El 1 i,-sln - 2 o 2 bll14-S1U-3S4 Temperature and Huniidity Test Sampling Procedures and Tables for Inspection by Attributes Binrking for Shipment and Storage Test Methods for Electronic and Electrical Component Parts far Use in Production of Fuzes ;HIS DOCU
5、MENT CONTAIM :n. PAGES FSC 1350 - Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-. -. F- - - - - MIL-S-23772 33 W 7777706 0303743 b W MIL-S-237?2(Wcp)
6、3, REQUIREIWSTS 3.1 - The Switch, Hydrostatic, Nark 63 .* Elod O or Eod ?%?%$e circuit switch closed by water pres- sure at approximately ten feet of depth and com letes the It is a small housed switch with a threaded stem having a small orfice for sea water entry. a diap!Jrrigm within the switch cl
7、oses the switch contacts. electrical circuit in the Switch Delay blark,64 R Iods O, 2 or 3. Pressure from sea water acting on 3.2 GGeneral rem. 22.1 ro 1. . - Unless otherwise speci- ficd in the co%ctmroduction samples of the Switch, Hydrostatic, Mark 63 Plod O or Nod 1 shall be manu- factured using
8、 the methods and procedures proposed for the production lot. These saniples will be tested ris specified in section 4 herein and are for the purpose of deterniinhg that the production item meets the requirements of tliis specification and the design. Provision of samples shall be in accordance with
9、4,102. 3.202 Bfaterials: f -. - PIaterials, fcuction and diniensions for the Switch, Hydrostatic Mark 63 Nod O or Mod 1 shall meet the requirements of LD 479951 or LD 545490 and this specification. Examination shall be in accordance with 4.5.1. uc 3.203 - Marking of assemblies, sub-assemblies and pa
10、rts shai%accordax?ce vi th the applicable drawings listed in BUORD ID No, 479921 or LD 548490. ter a - Component parts of assem- 3.2.4 bled units (unless mcified on the applicable draw- ings) fabricated in strict agreement with their applicable drawings shall be interchangeable and shall assemble wi
11、th mating components of the unit without selection or fitting. If, during assembly of the fabricated parts of a unit, selec- tion or fitting is required and changes in dimensions are necessary, no changes .in the parts as delineated on applicable drawings will be made without prior revisions and cor
12、rection of the, applicable drawings Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-S-23772 13 m 777770b 0303742 MI L-S -237 72 ( W ep) 3.2.5 Gages. - The contractor shall provide himself with what- ever gages are necessary and adequate to insure
13、 that the material to which this specification applies will meet the dimensional requirements shown on the applicable drawings. If so stipulated in the contract, order, or requisition, the Government will furnish drawings of pertinent Navy Final Inspection Gages for guidance in the design of the con
14、tractors inspection gages. However, such procedure shall not serve to relieve thecontractor of his responsibility, in the design and manufacture of such gages as may be required in the satisfactory fulfillr;?erit of the contract requirements, but is intended to facilitate acceptanec: of all componen
15、ts and assemblies by Navy Final Inspection Gages. 3.2.6 Threads. - Unless otherwise specified, all threads shall be in accordance with the National Wireau of Staniclardu Handbook H28. The class or fit for threads shall be as specified on the applicable draw- ings, and the NOT-GO gaging practice shal
16、l be as set forth in the aforementioned Handbook H28. 4 3.2, 7 Conflicting requirements. - Conflicting requirements arising between this specification or any specifications, publications, or drawings listed herein shall be referred in writing to the procuring agency or appointed agent for interpreta
17、tion and clarification, Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-VIL-S-23772 13 W 777770b 0303744 1 W MI L- S - 2 3 7 72 ( W e p ) or re The hydr
18、ostatic switch 1% pacmging smd and subjected to the shock tests specified in 4.6.5 and there- after shall show nu damage and shall meet all performance and product characteristics of this specification. 3.5.6 Teiiine-cia tm- W. - llie Iiydrostut ic switch shall be sub,jccted to the temperature and h
19、umidity conditions specifie.3 in 4.6,6 and thereafter shall show no corrosion or damage and meet the performance requirements and product characteriC?l cf determining compiance with tlie requirements of the coiitriict, spcifications and drawings. Further productioc of the item by the contractor prio
20、r to approval of the contracting activ- ity or the completion of tests on preproduction samples shall be at the contractors risk. 4.1.3 Lot size. - As applied to Government inspection of units of product the term lot“ shall mean “Inspection lot“ i,e, u collection of units of product subinitted by a
21、supplier for Government inspection. Unless otherwise speci- fied, the number of units of product in “inspection lots“ will hc as detcrmincd by the Covernmcnt Inspector und niay differ from the uuiitity designated in the contract or order in a lot for pro 1 uction, shipment or other purpose, 4.1.4 Pe
22、riodic production samnles, - From each SUC- ceeding lot or grand lot of three hundred (300) or less, a random sample of six (6) hydrostatic switches will be selected by the Government inspector for submission to a Bureau of Naval Weapons designated activity to determine compliance of tlie samples wi
23、th the requirements of the cun- tract, specification and drawings. The sample shall be con- sidered satisfactory only if each unit meets the performance requirements and product characteristics of 3.4 and the environmental requirements of 3.5. required by tlie procuring activity, tlie contractor is
24、respon- sible for the performance of all tests and examinations to assure that Switch, I!ydrostatic, ialk 63 Mod O or Nod 1, delivered to tlie Government, is in full accordance with all applicable requirements. In addition, the contractor is required to maintain records of all tests and examinations
25、 and tomake these records available to the Government representative upon request. 4.2 Contractors inspection. - Unless otherwise 4.3 Classification of tests. - The inspection and testing of tlic hydrostatic switch sliall be classified as fol lows: Pl an 4.3.1 Acceptance tests. - These tests are to
26、be accom- Inspection and test procedures shall be islied on hydrostatic switches Seing submitted for accept- .ce under contract. .- . 7 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Provided by IHSNot for ResaleNo reproduction or networking permitt
27、ed without license from IHS-,-,-MIL-S-23772 13 7777706 0303747 7 W - MI l, - S I 2 3 71 21 Wp) 4.5.3 Test and inspection equipment and facilities. - The mu- facturer shall furnish and maintain all necessary test equipment, facilities and personnel for performing all acceptance tests. The test equipm
28、ent shall be adequate in quantity, and when definite requirements are not specified they shall be of sufficient accuracy and quality to permit performance gf the required acceptance tests; 4.5.4 Test procedure. 4*5,4*1 Pressure response, - The pressure response test shall be accomplished in tho foll
29、owing manner: i, Connect external source of air or hydraulic pressure 00 switch. the stem of the hydrostatic 2. Connect leads of the hydrostatic sw suitable indicating means across the electrical tch. 3. Apply pressure of 6 psi maximum. to the stem Orff ice of 4. Reduce pressure to 3 psi minimum. th
30、e hydrostatic switch. I Any hydrostatic switch which fails to indicate closure of the contacts at 6 pai maximum or which fails to indicate contacts open at 3 psi minimum shall be regarded as defective. 4 5.4,2 Contact resistance. - “he contact resistance test shall be accomplished in the following m
31、anner: i. Connect external source of air or hydraulic pressure to the stem of the hydrostatic switch. 2. Connect suitable meter across the electrical leads of the hydrastatic switch. 3. Apply pressure of 6 psi maximum to the stem orifice of the hydrostatic switch and measure resistance of circuit th
32、rough electrical leads. 1 4. Reduce pressure of 3 psi minimum. Any hydrostatic switch which indicates a resistance of greater than 0.2 ohms at 6 psi maximum or which fails ta, open upon reduction of pressure to 3 psi minimum shall be regarded as defective. Provided by IHSNot for ResaleNo reproductio
33、n or networking permitted without license from IHS-,-,-Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-406.1 Y- L 0- The hydrostatic swi tciiLpUzd*ff containers as indicateh in 5, shall be rnownted on a vibration platform equipped with barriers SI as
34、 to allow free movement of the container relative to the 1.atform but prevent the devices from falling off the platforni. The motion of the platform shall be such that any po!nr on the plcdform moves in a circular path one inch in dianetcr with the plane of the circle perpendicular to the platforn.
35、The frequency shall be within the range of 240 to 300 circles per minvte. ackage of units shall be vibrated ior a period of one half our on each face of the container. of meeting acceptably all performance requirements and product characteristics of this specification, The Alter ccm leting the above
36、 vibration test, the hydrostatit switch s I: all be capable - - 4.6.2 Yibration: ready non -. - Mount the hydrostatic swmidly or to re vibration table by means simulating the actual method of mounting used on service. nent of the vibration shall be simple harmonic motion. The samples shall be mounte
37、d on the vibration table so that equal quantities of devices experience vibration per- pendicular to the plane of mounting and vibration parallel to the plane of mounting. a range of frequencies from 700 to 3000 cycles per minutes in 100 cycles per minute increments. vibration of each increment shal
38、l be one hour. of the vibration shall be in accordance with the following schedule The vertical displacement compo- The units shall be vibrated through The duration of the The amplitude 11 : Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Provided by
39、 IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-S-23772 33 777770b 0303753 7 4.6.6 Tenipature huw. - The hydrostatic switch shall be subjected to the teiiipemture and humidity test procedure of MIL-STD-354. above test, the hydrostatic switch shall be capabl
40、e of meeting acceptably al 1 performance requirements and product characteristics of this specification. After completion of tht? LI .i 4-7.1 P rodyction. - Failure of any Switch assembly to nieet any of %! requirements and tests of this s.pecifi- cation shall be cause for regarding the switch assem
41、bly as defective and shall result in the rejection of the prepro- du.c t ion sample. assembly to meet any of tlie-lents and tests of this specification shall be cause for regarding the switch assem- bly as defective and shall result in rejection of the lot, based on the AQL as noted in CD 1635169 fo
42、r the Hydrostatic Switch Nark 63 Mod O, and . Swi tcli 4Iark 63 Mod 1. 4.7.2 IC - Failure of any switch CD 2419851 for the Hydrostatic . 5*l.l Level_A 5 . 1 l. 1 5.l.1,2 -ervative - (Not applicable) 5.1-1.3 shall be unit -cordance with the requirements of Bureau of Naval Weapons I3D 450202, . s;- dr
43、W . - (Not applicable) I - Twenty (20) switch assemblies 13 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-5.1.2 Lm. - (Not applicable) 5.1.3 Level C, - (Not applicable) 5.2 Eackinrr. 522.1 Lcv_cla 1 5,2,1,1 Exterior. - Twelve (12) unit con- tainers
44、 shall be packed in accordance with the requirements of Bureau of Naval Weapons LD 480203. 5.2.2 vel Il, - (Not applicable) 5.2.3 LeU. - (Not applicable) 5.3 J!kuuW 5.3.1 Il . - in addition to the irinrkings required by conmr, unit packages, intermediate packages (when used) in accordance with the r
45、equirements of JIIL-SID-127. and shipping containers shall be marked 5.3.1.1 For detailed marking instructions, see Bureau 6. NOTES of Naval Weapons Drawing No. 1476194. 6.1 Intend.d use. - The Hydrostatic Switch Elark 63 Etod O is intended for use in the Switch, Delay Elark 64 Eod O or 1, The H dro
46、static Switch Elark 63 Elod 1 is intended for use in the Switc f I, Delay Elark 64 Mod 3. 6.2 arder o - Unless otherwise specified, procurement docuinents shall specify Level A packaging and packing reyuircnients for all shipments. Mod 1 onlv), - The use-of a crimninrr tool constructed substran- I p
47、ress with suitably guided and parallel platens. tool shall be suitably guided durin. the crimping to insure of thc crimnina tool with surface “S“ dciiotcd on tlic Assembly The crimping adequate centeriiig of the crimp an k parallelncsc of the faces first. dead Icad. -t 2.W pounds dead load shall be
48、applied. TlIc total crim ing force shall be 2,000 I 2( Tlicn end mlll shall be used and a force of 3,000 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-_- Mi i,-S -2 3772(W cp) J o ,I U W f d Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- MIL-S-iG772 13 7737706 0303754 4 W zsL/AtL QVER Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-I MIL-S-23772 13 m 777770b 030375
