1、 MIL-DTL-48557B 9 September 2012 SUPERSEDING MIL-M-48557A(AR) 15 May 1990 DETAIL SPECIFICATION MOUNT, TELESCOPE AND QUADRANT - M171A1 This specification is approved for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This specification covers the Mount, Telescop
2、e and Quadrant: M171A1 which supports the Telescope, Panoramic: M137A2 and Quadrant, Fire Control: M17A1 for use on the M777 and M198 series of howitzers. The mount provides adjustments in pitch and compensates for angles of cant when laying the guns for indirect fire. 2. APPLICABLE DOCUMENTS 2.1 Ge
3、neral. The documents listed in this section are specified in sections 3 and 4 of this specification. This section does not include documents in other sections of this specification or recommended for additional information or as examples. While every effort has been made to ensure the completeness o
4、f this list, document users are cautioned that they must meet all requirements of documents cited in sections 3 and 4 of this specification, whether or not documents are listed in this section. Comments, suggestions, or questions on this document should be addressed to: Commander, US Army ARDEC, ATT
5、N: RDAR-QES-E, Picatinny Arsenal, New Jersey 07806-5000 or emailed to picaardecstdznbranchconus.army.mil. Since contact information can change, you may want to verify the currency of this address information using the ASSIST online database at https:/assist.dla.mil. AMSC N/A FSC 1240 DISTRIBUTION ST
6、ATEMENT A. Approved for public release; distribution is unlimited. INCH-POUND Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-48557B 2 2.2 Government documents. 2.2.1 Specifications, standards, and handbooks. The following specifications, sta
7、ndards, and handbooks form a part of this document to the extent specified herein. Unless otherwise specified, the issues of these documents are those cited in the solicitation or contract. DEPARTMENT OF DEFENSE SPECIFICATIONS MIL-F-13926 - Fire Control Materiel, Manufacture, and Inspection, General
8、 Specification for DEPARTMENT OF DEFENSE STANDARDS MIL-STD-1916 - DOD Preferred Methods for Acceptance of Product (Copies of federal and military specifications, standards, and handbooks are available online at https:/assist.dla.mil/quicksearch/ or from the Standardization Document Order Desk, 700 R
9、obbins Avenue, Building 4D, Philadelphia, PA 19111-5094.) 2.2.2 Other Government documents, drawings, and publications. The following other Government documents, drawings, and publications form a part of this specification to the extent specified herein. Unless otherwise specified, the issues of the
10、se documents are those cited in the solicitation or contract. U.S. ARMY ARMAMENT RESEARCH, DEVELOPMENT AND ENGINEERING CENTER (ARDEC) DRAWINGS 8658940 - Inspection Aid 10549200 - Sighting Device 10553898 - Inspection Aide Support Assembly 10555619 - Test Fixture for Mount, Telescope M134 10558253-11
11、 - Adapter, Leveling 11747196 - Adapter, Vibrating and/or Shock for Mount, Telescope however a different rate of temperature change may be used at the testers discretion. 6.7 Subject term (key word) listing. Howitzer M777 M198 Towed Artillery Provided by IHSNot for ResaleNo reproduction or networkin
12、g permitted without license from IHS-,-,-MIL-DTL-48557B 20 6.8 Changes from previous issue. Marginal notations are not used in this revision to identify changes with respect to the previous issue due to the extent of the changes. Custodian: Preparing activity: Army-AR Army-AR (1240-2012-005) NOTE: T
13、he activities listed above were interested in this document as of the date of this document. Since organizations and responsibilities can change, you should verify the currency of the information above using the ASSIST Online database at https:/assist.dla.mil. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
