PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7263Mount,resilient,weapon System

H.a. King Co., Inc. · NSN 5342-01-371-6339 · FSC 5342 · Mount,resilient,weapon System
Verified by PartsTable
NSN 5342-01-371-6339 — this item is cataloged by the U.S. Government under National Stock Number 5342-01-371-6339. Primary manufacturer part number: 7263.
Features
  • Mount,resilient,weapon System — FSC 5342
  • Flange Length: 8.500 INCHES NOMINAL IN
  • Thread Size: 0.500-20 ALL THREADED PORTIONS
  • Flange Mounting Hole Diameter: 0.562 INCHES NOMINAL IN
  • Stud Length: 1.000 INCHES NOMINAL ALL THREADED STUD IN
  • Style Designator: RECTANGULAR W/TWO THREADED STUDS TWO-HOLE FLANGE
  • Material: STEEL FLANGE
  • Distance Between Mounting Hole Centers: 7.125 INCHES NOMINAL IN
Applications
  • Applications requiring Steel Flange construction
General Description

The Mount,resilient,weapon System, cataloged under National Stock Number 5342-01-371-6339, is classified within Federal Supply Class 5342 (Mount,resilient,weapon System) of the Hardware and Abrasives group. The primary manufacturer of record is H.a. King Co., Inc.. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5342-01-371-6339
Primary Part Number7263
Item NameMount,resilient,weapon System
FSC / FSG5342 / 53 — Mount,resilient,weapon System
ManufacturerH.a. King Co., Inc.
StatusACTIVE
Flange Length8.500 INCHES NOMINAL IN
Thread Size0.500-20 ALL THREADED PORTIONS
Flange Mounting Hole Diameter0.562 INCHES NOMINAL IN
Stud Length1.000 INCHES NOMINAL ALL THREADED STUD IN
Style DesignatorRECTANGULAR W/TWO THREADED STUDS TWO-HOLE FLANGE
MaterialSTEEL FLANGE
Distance Between Mounting Hole Centers7.125 INCHES NOMINAL IN
Flange Width5.250 INCHES NOMINAL IN
Height1.900 INCHES NOMINAL IN
Flange Thickness0.350 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5136-00-197-95697263 INTERCHANGEABLE
Die,rethreading
Stanley Tools Div of Stanley Works
5995-00-220-26977263 INTERCHANGEABLE
Cable Assembly,radio Frequency
Spencer Industries Inc
5340-00-359-1095122100H45 INTERCHANGEABLE
Cover,access
Dressta North America Ltd
5365-00-550-54647263 INTERCHANGEABLE
Bushing,nonmetallic
Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp
2815-00-555-6270 INTERCHANGEABLE
Ring Set,piston
5910-01-006-7899 INTERCHANGEABLE
Capacitor,variable,air Dielectri
6240-01-043-5308CM7-7263 INTERCHANGEABLE
Lamp,incandescent
Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron
5985-01-481-52897263-01 INTERCHANGEABLE
Protector,antenna
Tech Resources, Inc
8105-01-615-47397263 INTERCHANGEABLE
Bag,tools and Spare Parts
Rothco Inc Div of Morris Rothenberg
Cross-Reference Index
Part NumberManufacturer
7263 PRIMARY H.a. King Co., Inc. (USA)
12389955 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
Related Parts
5136-00-197-9569INTERCHANGEABLE
DIE,RETHREADING
7263
5995-00-220-2697INTERCHANGEABLE
CABLE ASSEMBLY,RADIO FREQUENCY
7263
5340-00-359-1095INTERCHANGEABLE
COVER,ACCESS
122100H45
5365-00-550-5464INTERCHANGEABLE
BUSHING,NONMETALLIC
7263
2815-00-555-6270INTERCHANGEABLE
RING SET,PISTON
5910-01-006-7899INTERCHANGEABLE
CAPACITOR,VARIABLE,AIR DIELECTRI
6240-01-043-5308INTERCHANGEABLE
LAMP,INCANDESCENT
CM7-7263
5985-01-481-5289INTERCHANGEABLE
PROTECTOR,ANTENNA
7263-01
8105-01-615-4739INTERCHANGEABLE
BAG,TOOLS AND SPARE PARTS
7263

Frequently Asked Questions

What is NSN 5342-01-371-6339?

NSN 5342-01-371-6339 is a Mount,resilient,weapon System, manufactured by H.a. King Co., Inc., classified under FSC 5342 (Mount,resilient,weapon System). Status: active.

What are the part numbers for NSN 5342-01-371-6339?

NSN 5342-01-371-6339 has 2 cross-referenced part numbers: 7263 (H.a. King Co., Inc.), 12389955 (U S Army Tank Automotive Command Amsta-Im-Mm).

What NSN replaces 5342-01-371-6339?

There are 9 known substitutes for 5342-01-371-6339: 5136-00-197-9569, 5995-00-220-2697, 5340-00-359-1095 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7263?

Key specifications for 7263: Flange Length: 8.500 INCHES NOMINAL IN; Thread Size: 0.500-20 ALL THREADED PORTIONS; Flange Mounting Hole Diameter: 0.562 INCHES NOMINAL IN; Stud Length: 1.000 INCHES NOMINAL ALL THREADED STUD IN. 10 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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