1、MIG.Bc.12696 (om) - SIimm ING Army 52-75-49 22 March 1949 MILITARY SPECIFICATION bBoUNT, QUfsHANiE, M1 (WITH WUIYMENT) This specification consists of thia cover sheet arid Speci- fication 51-75-49, dated 22 krch 1949, attached hemto, with0u.t; modification, When a request for this specification is r
2、eceivd by a supplyhe activity it will be necessary to attaah this cover sheet to the pertinent specification before issue. Copies of specifipations mquirec? by contractors-in connection with specific procurement functiane should be pbtairied from the procuring agency or as directed by the contractin
3、g officer. Cuatodiant Army - Ordnance Corps Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-M-L267b 12 9777706 0294200 2 .- U. S. ARMY SPECIFICATION MOUNT, QUADRANT, M1 (WITH EQUIPMENT) A. AFPLICABLE SPECIFICATIONS. A-1. Ordnance Department drawi
4、ng, class 90, dlvision 66, dniwhg 1, titled “Mount, Quadrant, M1, List of Drawings,” lists or indicates all drawings and speciflcations which form part of this sI.Rcillcation. A-2 All drawings and speclflcations shall be of the iswe in effect on date of invitation for bids. The issue in effect shall
5、 be that iesue which the contracting oicer shall designate or furnlsh the bidder. B. TYP=. B-l. This speciflcation covers one type of Mount, known k “bfount, Quadrant, Ml,” complete with equipment. C. MdTERUL AND W0B“I)HiP. C-l. Yntetid ond workmzn.8hip ehall be in accordance with t68 drawings, gene
6、ral specifications and material specificatlone forming parts of this specication. D. GENERAL BEQEYENTS. -1. See U. S. Army Specification KO. l-7, “General Specidcation Governing Manufacture and Inspection of Fire ControlInstroments.w E. DETAIL REQIWgyBNTB. E-l. Accray a5td OajWt“.- faces of the shoe
7、s are in a horizontal plane, and remains central within one graduation on the vial while the mount is elevated thronybi 45” without disturbing the setting of the aoas level worm. E-2. Electnod equipment shall function properly to ight the qund- rant light and illuminate the level bubble when connect
8、ed to a Grdr battery. EX. Pdntfng UM -hing shaii be in accordance with the draw- inge and U. S. Army Specification No. 61-7&1, “Qenerai Speciliation Governing Painting and Finishing of Fire Contro Inetrnmentu” W. Lubrication shall be in accordance wlth U. S. Amy Speciaa- tion No. 51-7. Eb. Manutactc
9、ire of dru parts eban be in accordance wth tbis epecifcation. Ht6.1psrid be hunfehed by the procorhg cdlce uidi shall be inscribed as shown on the rawinga - Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-HIL-M-12h96 12 W 999990b 0294201 4 F. ”HODS O
10、F MEPECTION, TESTS, ETC. . F-L See U. 8. Army Specification No. 51-7. F-2 Each compiete mount ahall be tested for conformance with the requirements of section E of this specification. F-3. The test for the requirements of paragraph Clb above, ie performed as follows: Attach the mount to a witable te
11、sting fixture or other means of holding the mounting surface of the bracket in a vertical plane while allowing rotation of the mount about an axis perpendicular to the mounting surface. Level the top surface of the shoes in both direc- tions (parallel and perpndicular to the mounting surface) using
12、a bench level. The level bubble on the mount must show central in this position. Slowly rotate the mount while watching the level bubble until the two shoes are at an angle of approximately 45” with the horizontal, the shoe next to the level bubble being the lower. Bubble must remain central withiin
13、 the tolerance at any position throughout this movement 6. PACKNG AND MARiiNG. GL Packing.-The mounts, complete with equipment, shall be packed in quantities specified by the procuring oflice in substantial wooden packing boxes as specifled in U. S. Army Specification No. 51-7. 6-2. Marking shall be
14、 in accordance with U. S. Army Specification No. 1-2, “Standard Specification for Marking Shipments.” H. NoTlg9. H-L Matra pw-fs and equipment.-!Fhe circular advertisement and/or contract shall definitely state the extra parts and equipment to be furnished with the mounts See MtiOn VII, notes, of U.
15、 S. Army Specification No. 51-7. H-2. The use of this specification, whenever applicable, is mandatory on all procuring agenciea of the Army. Narrck-Thie apeciflcstion, together with specifications and draw- ings pertaining to it and bearing a “Notice” of similar restrictions, is intended for uae on
16、ly in connection with procurement by the United States Government : and ahall not be reproduced either wholly or in part except when authorized in connection with Qovernment procure- ment, nor be uaed for any other purpose except when specifically authorized by the Chief of Ordnanm NariL-ca es of thin tlon may be obtained from the Om, Chfei 4rOrdMrl%O NO. 51-76-49 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
