1、 MIL-DTL-48559B 16 August 2012 SUPERSEDING MIL-M-48559A(AR) 30 March 1990 DETAIL SPECIFICATION MOUNT, TELESCOPE AND QUADRANT - M172A1 Reactivated after 16 August 2012 and may be used for new and existing designs and acquisitions This specification is approved for use by all Departments and Agencies
2、of the Department of Defense. 1. SCOPE 1.1 Scope. This specification covers the Mount, Telescope and Quadrant: M172A1 which supports the Fire Control Quadrant: M18A1 for use on the M777 and M198 series of howitzers and gives elevation compensation to correct for cant when the mount is leveled by a c
3、ross level movement. The mount also supports and aligns the mounting bracket for the Elbow Telescope: M138A1. 2. APPLICABLE DOCUMENTS 2.1 General. 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 o
4、f this specification or recommended for additional information or as examples. While every effort has been made to ensure the completeness of 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 docu
5、ments are listed in this section. Comments, suggestions, or questions on this document should be addressed to: Commander, US Army ARDEC, ATTN: RDAR-QES-E, Picatinny, New Jersey 07806-5000 or emailed to picaardecstdznbranchconus.army.mil. Since contact information can change, you may want to verify t
6、he currency of this address information using the ASSIST online database at https:/assist.dla.mil. AMSC N/A FSC 1240 DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. INCH-POUND Provided by IHSNot for ResaleNo reproduction or networking permitted without license from
7、IHS-,-,-MIL-DTL-48559B 2 2.2 Government documents. 2.2.1 Specifications, standards, and handbooks. The following specifications, standards, 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 soli
8、citation or contract. DEPARTMENT OF DEFENSE SPECIFICATIONS MIL-F-13926 - Fire Control Materiel, Manufacture, and Inspection, General Specification for DEPARTMENT OF DEFENSE STANDARDS MIL-STD-1916 - DOD Preferred Methods for Acceptance of Product (Copies of federal and military specifications, standa
9、rds, and handbooks are available online at https:/assist.dla.mil/quicksearch/ or from the Standardization Document Order Desk, 700 Robbins Avenue, Building 4D, Philadelphia, PA 19111-5094.) 2.2.2 Other Government documents, drawings, and publications. The following other Government documents, drawin
10、gs, and publications form a part of this specification to the extent specified herein. Unless otherwise specified, the issues of these documents are those cited in the solicitation or contract. U.S. ARMY ARMAMENT RESEARCH, DEVELOPMENT AND ENGINEERING CENTER (ARDEC) DRAWINGS 8658940 - Inspection Aid
11、10554685 - Mounting Bracket Assembly 10558253 - Final Inspection Fixture for Mount, Telescope and Quadrant, XM172 11738143 - Adapter, Torque 11738144 - Adapter, Torque 11747193 - Adapter, Vibrating and/or Shock for Mount, Telescope however a different rate of temperature change may be used at the te
12、sters discretion. 6.7 Subject term (key word) listing. Howitzer M777 M198 Towed Artillery 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
13、Army-AR Navy-OS (1240-2012-002) Air Force-84 Review activities: Army-AV, MI Navy-MC Air Force-99 DLA-CC Civil agency: GSA-FAS NOTE: The 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-,-,-
