1、r . MIL-C-23727A (2) 5, 6 9999906 0152434 A m .- i . 5 I MILITARY SFECD ICATIOIJ Cmputer Sel;, Loft Bmb Release A.X/AJB-3A This &maCiment form a part of Mili+ary Specification Xcml Air System Connnand, Department of the Navy. KC,-C-237Z7A(K?) datea 1 September 1965 and has been approved by the E$ tn
2、is amenbent, basic MIL-C-23727A(W?) is changed to aM.IL-C-23727A(AS) end throughout this specification, Bureau of Naval Weapons shall be ciweC to Nevel Air Systems Cornand. ?%e 1, Paragraph 3.2.2: Delek Page 2, oarsgraph 3.2.3, 3.2.4 and 3.2.5: Delete *?aregi-aph 3.2.2.21: 3elete last sentence F3rag
3、qh 3.3.2.3: Lelete “200“ an substitute “3OO“. Adfi “The MTBF I k of the Gisplacemsnt Gyro shall Oe 800 hours. hplifier Power Supply DF cbiall be 1000 hours.“ Die Indicator md *i?aagraph 3.2.3.1: Add Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-*?a
4、ge 6, Paragraph 3.4.6: Delete and substitute “3.4.6 de,=ree per second shall cause the turn rate indicator on the attitue indicator to align with the second index to the right of center. secan shall cause the inicator to align with The second index :o the left of center.“ Turn Rate Indication - A cl
5、ockwise turn rate of 3 f 1/2 A counter clochise turn rate of 3 + 1/2 degrees per *Page 29, Paragraph 3.5.8.6: Add .! “?1 I e displacement gyroscopePhsl1 be klsnced on Internal vibration isolators, to prevent pitch and roil osciation =ci shall comply Kith the requirements of CURVE IV OS !*11L%5.&8 vi
6、th tine frequency range extender5 to 2W cps. that &the vibration has not.caused Qimbal or spin rotor bearing false o,-inelling after 20 hours of operation in above ?eqES BXZY,: It shall be dcfaonstrated Pwes 35 anci 36, Paragraphs 3.5.9 through 3.5.9.8.1: Delete and substitute: “3.5.9 with MS 17384
7、I Rate Switching Gyr oscope - The Rate. Switching Gyroscope shall Dimensions shall be in accorance * be in accordance with MIL-G-23723. *Pages 5lthmugh 53, Paragraphs 3.5.E through 3.5.12.11.2: substitute: Delete and 35.12 Francmitter shall be in accordance with MIL-G-23733. Trsnsmitter, Rate Gyrosc
8、op T-751/AJI3-3A - The Fate GFO6CQpe Dimensions shall 2 I- . Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-1.4.3.1 wlification irnase I_ - prior to acceptance of equipments -1-l-4 LLer tlne contract or orrier, =:nimm of three (3) equipntc chail be
9、:este2 as outlined in ?/a-sm-781, uncer the sectioa entitled “Qualification ?fiase of Prduction Reliability Tests“. to be usei! shall be those listed in Table 5 of VEL-STD-. %ne maximm nimiber of equipmnts 4.4.3.2 Reliability Production Acceptance (SempUng) Phase Tests - %he eouiprient, throughout p
10、rouction, shall be tested as outlined in Yi-Sm-781 (as mcdified herein) under the section entitled “Prouction Acceptance (Smpling) nese of Production Reliability Tests“ . 4: shall be used. Test level 4.4.S.2.1 -411 Equipment Screening Test - The All Equipment Screening Fest of Test ?la? =IX (Paragra
11、ph 4.2.9 of MIL-STD-781) shall be conducted on the Attitude Pirector indicator, Displacement Gyroscope Assembly end -k$lfier-Power Supply. &I QWS. Nontnly Reliability Status Reports shall be submitted to the procuring acti,ty kdth a copy to NAVAIIiSYSCOM (Avionics Division). The length of the test t
12、ime per unit shall be 4.k.3.3 Test Level - %e test levels for the Qualification phase axl the 3efi&ility Samplicg Irnase shall be as follows: ! O &cePt for the initial temperature cycle of -en C (+163oF) followe by -54Oc (-65?), the high temperature chal be +55OC (+l?O%) ancl low temperature shall b
13、e -U0C (-40F). The initial temperature cycle shall be Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- . - 1 ,- _._-_ . 1 cIcc.- . .- - - I MIL-C-23727A (2) 58 4777706 0352437 3 n i Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Project !?u:nber 5826-YO77 &, I Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
