1、1.1 fhis specification covers one type of gunners guadrant which The level vial-in this quadrant measures angles of cant and elevation. is radioactively illuminated. ! 2. APPLCAijLE DOCrnNTS 2.1 The following documents, of the issue in eiect on date of invitation for bids or request for proposals, f
2、orm a .part of this specifi- cation to the extent specified herein. . S?ECIFICATIOKS Xilitary MIL-F-13926 HIL-P- I4232 MIL- 1-45 60 7 STANDARDS Mi 1 I tap MIL-STD-105 MIL-STD- 109 D.S. Any, Frankford Arsenal 2.6510977 ES392 946 A8 6 5 89 4G k si731007 y-. i173 1037 Fire Conerol Xateriel: General Spe
3、cifi- _ cation Governing the Manufacture and Inspection Parts, Equipaent and Tools for Amy Materiel, Packaging and Packing of Inspection Equipment, Supply and Maintenance of Sampling Procedures and Tables for Quality Assurance Tenns and Definitions Inspection by Attributes i3levation Tesz Pixtc2re A
4、ssembly Adapter Levei Tesr Qua-rzt, adraiz:, 2mmr s: MALE1 Packaging of QLidraiit, Gunner Is: ML41El FSC 1290 THIS DOCUMENT CONTAINS 9 PAGES. - / .II ri Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- ._ _. . . _ . MIL-Q-503b 12 9779906 032b9q1 -I.-
5、.-, .rr ?thin 0.40 - mil . .- - 3.7 Torque.- The running torquenequired to rotate the microneter knob shall not exceed 2.0 pound-inches at the operaring temperatures specified in 3.4.2. 3.8 Level vial.- The level vial bu5ble shall be visible in all mbient light conditions, 4. QUALTY ASSURANCG PROVIS
6、I0;NS 4.1 Responsibility for inspection.- Unless otherwise specified in the contract or purchase order, the supplier is responsible for the performance of ali inspection requirements as specified herein. Except as otherwise specified, the supplier may utilize his own facilities or ay other facilitie
7、s sugtable for the performance of the inspection re- quirements specified herein, unless disapproved bythe Government. The Government reserves the right to perform any of the inspections set forth in the specification where such inspections are deemed necessary to sssure supplies and services confor
8、m to prescribed requirements, 4.1.1 General provisions.- The component and subassembly inspec- tion requirements of HIL-F-13926 form a part of the quality assurance provisions of this specification. Definitions of inspection terms shall be as listed in MIL-STD-109, 4.2 First article (initial product
9、ion) opprovz1.- The requirement for first article approval and the responsibility (Goverment or contractor) for first article testing shall be as specified in the contract. sample for first article approval tests shall consist of three gunners quadrants plus three (3) each of all items covered by SQ
10、AP. The sample shall be manufactured in the same manner, using the same materials, equipment, processes, and procedures as used in regular production. All parts and materials, including packaging and packing, shall be obtained from the same source of supply as used in regular production. The 4.2.1 G
11、overmen-c testing.- When the Government is responsible for conducting fist arcicie ap2rova3. tests, the contractor, prior to su3- mitting the sm?le to the Government, shall inspect the san2le to in- sure that it conform to ali the equFrements of the contrecc and sub- mit a record of this insyxEion w
12、ith the sa=?ie, inciudiag certificates of confornazice for mazerials a 4.2.2 Contractor testin:.;. - When the coatractor is responsijie for conduciling first arricle a?LovaI tests, the sanple shall be inspected by the contractor :or all tlie requirments of the contract. he senple . -. . 3 Provided b
13、y IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-Q-5038b 12 m 777770b 032b743 L m nG a recorci of this inspecxion, including cezeificstec of coiifoimazce for niaterials shall be sthiitted to the Goverriant for approval, The Goverment reserves the right to w
14、itness the contractors inspection. 4.3 Ins?ecltion provisions. 4.3.1. Sr;bnission of product,- Unless otherwise specified by the contracting officer, inspection lot size, lot formation and presentation of lots shall be in accordance with “Submission of Product“ provisions of KZL-SID-105 . 4.3.2 Exmi
15、nation and tests. 4.3.2.1 Conponents an6 subassemblies.- All components and sub- asser;lD%es shall be inspecred in accordance with the inspection provisions contained in Supplementary Quality Assurance Provisions (SQAP) listed in the technical data package (TDP). In the absence of SQAPS the applicab
16、le Quality Assurance Provisions of MIL-F-13926 shall apply, Examination and tests reiated to Section 3 herein shall be perforned on a single defect (individual characteristic) basis in accordance with MIL-STD-105 and the sampling plans specified in Tables I, II and TI1 herein. Ex- amination and test
17、s for packaging, packing, and marking shall be in accordance with NIL-P-14232 and Section 5 herein. The tabulated classi- fication of defects shall constitute the Uiininum inspection to be per- formed by the supplier after first article approval and prior to Govern- ment acceptance or rejection by i
18、tem or lot. TABLE I CL4 SS IF1 CATIOX CRITICAL; MAJOR: AQL 1.0% Defective - 10 1 . Index alinement 102. Accuracy 103. Torque 104. Level vial visibility . .; :- . :r - . . . - . . -_ . -. . . i. . . .- . Y- RZQUIREKE3!T TEST PROCEDURE ., -. - . . 3.5 3.6 3.7 3.8 4.6.3 4.6.4 4.6.5 4.6.6 KTE: The tests
19、 in Table I shali De condurxe ar a standard ambient temperature of between 60“ and 90F. 4.3.3 AcceFtance and rejection.- Xsjectea lots shali be screened for ail defective characteristics o Renoval or correctton of defective units and resubmtetence of rejected lots sGz.17, be in accordance with “Acce
20、ptance ad Xe jectior as specified in XXL-STD-105. -. 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-h* all inspection equipment specified Dy drawing number .in specifi- cations or SQAP forming a part of the contract shall be supplied by the . cont
21、ractor in accordance with technical data listed in the Lht of Inspection DocGents when provided with the Technical Data Package (TDP). 4,5.2.2 Contractor design.- The contractor shall provide inspection equipment compatible with the “Test Xethods and Procedures“ specified in 4,6 of this specificatio
22、n and with the “Component Inspection“ and “Test Facilities“ requirements of MIL-F-13926, Since tolerance of test equip- ment is norinally considered to be within 10% of the product tolerance for which it is intended, this inherent error in the test equipment design must be considered as part of the
23、prescribed product tolerance limit. Thus, concept, construction, materials, dimensions and tolerances used in the design of test equipment shall be so selected and controjlled as to insure that the test. equipment will reliably indicate acceptability of a product which does not exceed 90% of the pre
24、scribed tolerance limit, and permit positive rejection when non-conforming. Construction shall be such as to facilitate routine calibration of test equipment. . 4.5.2.3 Inspection equipment design requirements.- Special test- ingequipment to conduct the test for the accuracy requirements shallcon- f
25、orm to Drawings D6510977 “Elevation Test Fixture Assembly“, D8292946 “Adapter Level Test Quadrant, Gunners M1“ , and ,48658940 “Inspection Aid“. Level-the test fixture by means of the inspection aid positioned on the trunnion cross bar. Assemble the test adapter to the fixture and level the adapter
26、with the inspection aid positioned on the referenced surface of the test adapter. fixture shall be set to zero. In this position, the vernier scale of the elevation - 4.6 Test methods and procedures. 4.6.1 Storage temperature.- The gunners quadrant shall be exposed to the temperature conditions spec
27、ified in 3.4.1, utilizing testing equip- ment in accordance with the “Test Facilities“ requirements of MIL-F-13926. The quadrant shall be placed in the test chaabsr and Ehe temperature of the chamjer reduced gradually to -80F and shall remain at this temperature for a minimum of 4 hours. At the coin
28、pletion of this 4 hour period, the tenpzrature shali then be gradually raised to +160F and the quadrant shsll remain at this renperature for a nininuii O 4 hours. P,t the conpletion of this 4 hour period the temperature of the test chanber shall be gradually reduced to room am3ient temperature (60“
29、to +90F) at which time the quadrnt shall be removed from the test chan13er. De subjected to a visual and tactile examination to detemine that there is CO eviCence of diszortlon, cracks, levei vial breakage, or undue irreguarities of izoving paris. test to voi6 subjecting he ches assmhies to thermal
30、shock. The quadrant shall then Caution shall 3e exercised during this 6 t Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-J 1 -1 ! MIL-Q-503b 22 9999906 0326946 7 E XOTE: The rate of tenpereture change in the test cnarieer shll nor exceed 20F per hou
31、r throughout the tenperaure cyclingtests of 4.6.1 and 4.6.2. - 4.6.2 Operating temperature.- The quadrant shall be exposed to the tem?erature conditions specified in 3.4.2, utilizing testing equipment in accordance with the “Test Facilities“ requirements of XIL-F-13926. The quadrant shall be placed
32、in the cold chanber and the te-mperature of the chabsr reduced gradually (see NOTE) to -40F. The quadrant shall remain at this tempersture for a minimum.of 5 hours. five hour period, and while at -65F the quadrant shall be subjected to quadrant temperature shall be gradually raise to room ambient te
33、mperature. The quadrant shall then be placed into an oven charaber and the temperature shall De raised gradually to +150F. . temperacure for a period of 5 hours. At the completion of this 5 hour period, and while at +150F the quadrant shall again be subjected to the test in 4.6.6. Upon completion of
34、 this test, the temperature of the test chamber shall be gradually reduced to room ambient temperature (60“ to +9O0F) at which time the quadrant shall be removed froin the test chamber. Caution shall be exercised during this test to avoid subjecting the quadrant to thermal shock, At the completion o
35、f this -_ the test in 4.6.6. Iipon completion of this potion O the test, the The qudrant shall remain at this 4.6.3 Indes alinern8nt.- Index alinement at the settings specified in 3.5 shall be determined by a visual and tactile examination. means to facilitate the measuring of any aisalinement of th
36、e indices a coimercial type optical comparator with appropriate tolerance mark may be utilized. As a 4.6.4 Accuracy.- The adjusted testing equipment as specified in 4.5.2.3 shall.be utilized for this test. aid to zero mils elevation and position it on the seat provided on the . test adapter, and obs
37、erve that the level vial bubble is centralized. Set the quadrant under test to zero mils elevation and place it on the seat provided on the test adapter in the same position as the inspection aid. Now observe the position of the level vial bubble of the unit under test, it shall be centralized and i
38、n coincidence wich the level vial setting of ehe inspection aid. test does riot coincide with the inspection aid, adjustment shall be made to obtain coincidence by roeacing the micrometer of the unit under test. The amount of error read from the micrometer scale shall nct excee the tolerance specifi
39、ed in 3.6. In addition, accaacy shall be tested at a ninimum of 4 diversified angles of elevation for each scaie 02 t5e quadrant. This is accomplished by checking the quadrant under test with the settings of the inspection aid and 2ollowing the procedure out- lined above as required far each scale s
40、etting. shall be recorde and shail cor excee the “Lierance spcifLed in 3.6. Set the calibrated inspection If the level vial setting of the quadrant under Ariy eror, not cumulative, -. 7 i Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-. MIL-Q-50386
41、12 9799906 0326947 9 a - 4.4.5 Toque.- A comzerchl type torque wrench capable of neasciilg to the torqUe values speclfied in 3.7 shall be utilized. for this test. approprite adapter to accomodate the micrometer knob shall be used with the torque measuring device. Readings taken with the torque wrenc
42、h shall be tken in both directions and whileoin motion. required to rotate the micrometer knob shall conform to the requirement of 3.7 wl-ien tested at the extreme operating temperatures of 3.4.2. An The running torue 4.6.6 Level vials.- Place the quadrant in a dark- room having a The observer and t
43、he quadrant under test must After being adapted to the dakness,the controlled light source. becoae adapted to the dark. observer shall. visually examine the level vi-a1 bubble. iItxauct be vislble to assure conformance with 3.8. in the dark room one foot candle of illumination in the area of the lev
44、el vial. 3.8. 5. PREPAWTION FOR DELIVERY Gradually raise the ambient level of light The level vial bubble shall be visible to assure conformance with 5.1 Packaging, packing, and marking.- Packaging, packing, and marking shall be in accordance with Packaging Data Sheet 11731007. level of protection s
45、hall be as specified in the procurement document. The 6. NOTES 6.1 Intended use,- The MiAlEl Gunners Quadrant is primarily intended for use in tank and artillery gunnery for measuring angles of cant and elevation. 6.2 Ordering data.- Procurement documents should specify the following: ._ a. Title, n
46、umber, and date of this specification b. c. d. Applicable stock number e. Radioactive material.- Prospective bidders should be cognizant Selection of applicable levels of preservation, packaging Applicable packaging data sheet number (see 5.1) Provisions for First Article testing and packing (see 5.1) 6.3 of the nee for an Atomic Energy Commission license covering the prociire- ment and handling of radioactive material. Custodian: Amy - Ku Preparing activity: Army - H Project No. 1290-8258 a Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
