1、MIL-L-7154 62 7777706 0077641 T = . J U. MXbG91Sb (USAF) Sipor aeng . 24 General Specificatiai For Inspection Oi . KILITARY i -_ Mu-D-5028 . Ikawings and Dota Lists; Preparation Of (For MILE4272 . Environmental Testing, Aeronautical and Aaaodeted Mu-P-606 Standard, Aeronautical Use of (Copies of opa
2、dficatione, standards, and publications reqnlred by contraetors in connection with specific procuremnt functions should be obtained from the procuring agency or as directed by tho contracting officer.) I . 3. REUIIREMPITS 3.1 Component parts.- The lamp assembly shall consist of a lamp, housing, . fi
3、lter, rheostat control,- flerible base, caM8, - resistor- unit, and twitch; 3v2 Specifications and it3nards.- Specifloations and standards for oll nraterials, parts, and Oovernmetnt certification and approval of processes and equipment, which are not speciflcalby designotsd herein and which ara neca
4、s8arp for the execution of thia apecificaton, shall be selected in accordance with Bulletin No. li Salt spray,-, Expoure to atmosphere contalning salt-laden moiatum. . f. -3.5.6 Vibration resiStance.- When the lamp aeaembly is tested as specified in Section 4, there shall be no motion or creep of th
5、e housing, change in . the rheostat sstting, loosening or failure of the mount or filter, or . Impairment of the lamp operation, 3.6 Lamp.- The Imp shall bein accordance with Standard PN3125. 3.7 filter.- A nickel-cobalt glass filter, approdmatelj 3.75 milli- - - - . _ . ._ . ._ _ . - meters thick,
6、shall be provided, The filter shall ham a light transmission of not less than 0.40 at a wave length of 366 millimicrons and 8 Light transmission of not more than O,!)ZO at a wave length of 405 millimicrons, . 3.6 Rheostat.- The rheostat shall 50 constructed so that B clockwise rotation of the rheost
7、at hob shall decrease the resistance %han viewed frai! the rheostat end. An “offa position shall be provided at the mandmm resietancs end, and stid1 be legibly marked on the lamp aaeembly. . - me rheostat ahall have a resistance OP 145 f 21.9 ohms. / .I ! 4 * -9 fl Licensed by Information Handling S
8、ervices-6- 3.9 Resistor.- The ballast resistor shall have a rating of 2oW and shall be composed of 2 branches, 27 f b,O ohms and 65 f 9.8 ohma, 3.10 Connecting cabler- The lami, assembly shall be provided with a retractable cable or a straight cable, as specified by the Procaring Agency. 3iO,i Strai
9、ght cable When a atraight cable Is fwniahed, it shaU be No. 20, 3-conductor, 0.015 vinyl plaatic insulation, rayon braided conductors, one red, one white, and one black, The length of cable shall be specified by the Procuring Agency, 3,lCLl.l me cable shall be capable of withatanding a high potentia
10、l test of SOOV ac at a commercial frewency applied for 2 minrrtes between the a. _L-. -L_-_-p _. -c -.- _. - con-auctors,- .- -_-_ - h r : r : . 3.l.O.l,2 The cable ahail be capabLe of withstanding a high potential test of SOOV ac at a commerciab frequency, after imrsion for 5 hours in a 5 percent s
11、alt solution with the voltage applied for 2 minutes between the conductor and the solution. 3,lO,2 Retractable cable,. When a retractable cable is furnished, the cable shall have a maximum length of 11 inches when retracted, and a helical diameter of 7/8 inch, The cable shall :ave a miniimrm length
12、of 5 feet when extended by a 6-potmd pull applied at its end, I 3.lO.2,l The cable shall SS retractable during and after exposure to temperatures of 71.1eC dry heat for 24 houra.and -37% for 2b hour8. 3,10,2,2 The insulation properties of the cord ahall be such that the lamp will be operable, after
13、exposure of the ccr.; to a tomparrature of -5b.C for 8 period of 4 hours. 3,10,2,3 The cable shall be retractable during and after exposirre to a hnperature of bo i 2C and a relativo humidity of 95 to 100 percent. 3,10,2,b The cable shall be capabla of withstanding a high potential test of SOOV ac a
14、t a commercial frequency applied for 2 minutea between the condctors. hta * -*.- -3,10,2,5 The cable shall be capble of withatanding a high potential . . : teak of SOOY ac at a commercial frequency, after Immersion for 5 hours in a 5; percont salt solution, with the vobtcige applied for 2 minutes be
15、tween the conduotore and the solution$. tho cablo Jacke% and conductors together, The lug at the en4 of tha negati- conductor shall be mcuroly connected to the cord strain relief, 3.10.3. Strain reUefr- A cabla atrain relief shall be provided to hold Switch,. The rndtcn hl1 be decslgned to withstand
16、 a life territ o% aO,OoO cyclO8 Of OtOlle * i!. ,; _-. . fJ- /-. . ._ Licensed by Information Handling ServicesMIL-L-9L511 62 W 9799906 00996117 O W I 3.12 Interchangeability.- All pa accuracy of: dimnaoas and marking of parte and assembliasj et cetora. . + Particular attention ehall be gim to *-dm
17、from , be SAMPLING, .INSPECTIOW, AND TEST PROCEWRW Irei inspection tests: folIoring teste: Licensed by Information Handling ServicesMIL-L-7154 62 m 7779706 00796118 2 m p- .- ,1,2,3 when snpiing tests are qecified on a number of larap assemblies are aslected as representative of the lot, and one or
18、more fails to meet the specified testa, acceptance of ali lamp assemblies in the lot will be vithhel until the extent and caiise of failure are determined. For operational reasons, Iridlpldual teste may be continued pending inveatigation of a sampling test fallum, but final acceptance Qf the entire
19、lot i8 contingent upon the Inspectors decision regarding tho over-all conformence of the lot to specification requirements. When corrective action hps been accomplished, all necessary testri shall be repeated, If investigation indicates that the defects may exist on lots previously accepted, full pa
20、rticulars cmcerning the dcfects fomd, including recommendations for correction, shall be 1 - _ ftrniahed to the contracting officer. 1: . . . tamparatwe of 44.C for 8 period f 2 hours and t5in +dated for operation at this temperature, durlng and after subjection to this temperature, vlbrated contifi
21、uously for a periodof 3 hows. with the axis of vibration 90 degree8 to the previous 5.2.1 Each lamp aesembly shal be wrapped and aushiked in caccordancrr with - herein apply only to direct purchasss by or -direct shipments -to the Governmnt. 9- VI, ad packed in P Type II container - Licensed by Info
22、rmation Handling ServicesMIL-L-SLSL1 62 9999906 00996119 L1 W . - _ - =lo- MIL-L-915fi (USAF) 5.3 Miirking of shipment.- Interior packages and exterior ahipping containers shall be marked for identification in accordance with Standard MIGSTb129. . The nomenclature shall be as follows: Lamp Assembly,
23、 Cockpit, Ultra-Violet, 28 Volt Direct Current Type C-8 Speclfice.tion Mu-L-9154 6 Mfrs. Prt No, * uAppXcale data to be entered by the contctor. NOTE: In addition, space shall be allowed for the inclusion .I - . of the Federal Stock Number. 6. MUTES 1: . . ;,- 6.1 Um.- The me C-8 lamp assembly cover
24、ed by this specification is intended for uae in aircraft for the illumination of fluornacent instrument marking8 with ultra-violet light. ahoiid atate the conditions for the following: . 6.2 Ordering data.- Invitations for bids, contracts, and purchase order8 (1) Whether straight OF retractable cord
25、 shall be furnished - ,I I (see 3.10) (2) Ingth of atmight cable, (see 3.10.1). ! . . I. 1 NOTICE: When Oovernment drawings, specifications, or other data are used for any purpose other than in connection With a definitely related Government procurement operation, the United States Oovem- ment there
26、by incurs no responsibility, nor any obligation whatsoeverj and the fact that the overnment may have formulated,. furnished, or fn any way supplied the said drawings, specifications, or other data, is not to be regarded by Implication or otherwise as in any manner licensing the holder or any other person or corporation, or conveying any rights or permission to manufactare, use, or sell any patented lnvuntion that mar in any way be related thereto. Licensed by Information Handling Services
