PartsTable TECHNICAL DATA SHEET
AUGUST 2026Technical Data Sheet

12378773Mount,resilient,weapon System

Gmt International Corp · NSN 5342-01-372-0382 · FSC 5342 · Mount,resilient,weapon System
Verified by PartsTable
NSN 5342-01-372-0382 — this item is cataloged by the U.S. Government under National Stock Number 5342-01-372-0382. Primary manufacturer part number: 12378773.
Features
  • Mount,resilient,weapon System — FSC 5342
  • Flexing Member Outside Diameter: 2.950 INCHES NOMINAL IN
  • Major Outside Diameter: 2.360 INCHES NOMINAL IN
  • Height: 2.230 INCHES NOMINAL IN
  • Style Designator: ROUND FLEXIBLE
  • Flexing Member Height: 2.320 INCHES NOMINAL IN
  • Inside Diameter: 0.580 INCHES NOMINAL IN
  • 6 verified cross-references
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Mount,resilient,weapon System, cataloged under National Stock Number 5342-01-372-0382, is classified within Federal Supply Class 5342 (Mount,resilient,weapon System) of the Hardware and Abrasives group. The primary manufacturer of record is Gmt International Corp. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5342-01-372-0382
Primary Part Number12378773
Item NameMount,resilient,weapon System
FSC / FSG5342 / 53 — Mount,resilient,weapon System
ManufacturerGmt International Corp
StatusACTIVE
Flexing Member Outside Diameter2.950 INCHES NOMINAL IN
Major Outside Diameter2.360 INCHES NOMINAL IN
Height2.230 INCHES NOMINAL IN
Style DesignatorROUND FLEXIBLE
Flexing Member Height2.320 INCHES NOMINAL IN
Inside Diameter0.580 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5920-00-280-8342 INTERCHANGEABLE
Fuse,cartridge
5330-00-347-408025950 INTERCHANGEABLE
Gasket
Dana Automotive Systems Group, Llc Dba Dana Sealing Products
4730-01-179-98614049-04CLS INTERCHANGEABLE
Nipple,pipe
Gardner Denver Water Jetting Systems, Inc. Div Engineered Package Group
6210-01-314-135610150FG INTERCHANGEABLE
Housing,light
Disan Engineering Corp
6515-01-361-5242259.50 INTERCHANGEABLE
Bolt,tibial,orthopedic
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
1560-01-710-52712-5950-7 INTERCHANGEABLE
Stiffener,aircraft
The Boeing Company Div Defense
1560-01-710-52782-5950-5 INTERCHANGEABLE
Web,structural Component,aircraf
The Boeing Company Div Defense
1560-01-721-85362-5950-6 INTERCHANGEABLE
Web,structural Component,aircraf
The Boeing Company Div Defense
Cross-Reference Index
Part NumberManufacturer
12378773 PRIMARY Gmt International Corp (USA)
25950 Hutchinson Aerospace & Industry, Inc. Dba Barry Wright Corp (USA)
12378773 Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc (USA)
12378773 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
5342013720382 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
12378773 Amz Alabama Inc. (USA)
Related Parts
5920-00-280-8342INTERCHANGEABLE
FUSE,CARTRIDGE
5330-00-347-4080INTERCHANGEABLE
GASKET
25950
4730-01-179-9861INTERCHANGEABLE
NIPPLE,PIPE
4049-04CLS
6210-01-314-1356INTERCHANGEABLE
HOUSING,LIGHT
10150FG
6515-01-361-5242INTERCHANGEABLE
BOLT,TIBIAL,ORTHOPEDIC
259.50
1560-01-710-5271INTERCHANGEABLE
STIFFENER,AIRCRAFT
2-5950-7
1560-01-710-5278INTERCHANGEABLE
WEB,STRUCTURAL COMPONENT,AIRCRAF
2-5950-5
1560-01-721-8536INTERCHANGEABLE
WEB,STRUCTURAL COMPONENT,AIRCRAF
2-5950-6

Frequently Asked Questions

What is NSN 5342-01-372-0382?

NSN 5342-01-372-0382 is a Mount,resilient,weapon System, manufactured by Gmt International Corp, classified under FSC 5342 (Mount,resilient,weapon System). Status: active.

What are the part numbers for NSN 5342-01-372-0382?

NSN 5342-01-372-0382 has 6 cross-referenced part numbers: 12378773 (Gmt International Corp), 25950 (Hutchinson Aerospace & Industry, Inc. Dba Barry Wright Corp), 12378773 (Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc), 12378773 (U S Army Tank Automotive Command Amsta-Im-Mm), 5342013720382 (E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales) and 1 more.

What NSN replaces 5342-01-372-0382?

There are 8 known substitutes for 5342-01-372-0382: 5920-00-280-8342, 5330-00-347-4080, 4730-01-179-9861 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12378773?

Key specifications for 12378773: Flexing Member Outside Diameter: 2.950 INCHES NOMINAL IN; Major Outside Diameter: 2.360 INCHES NOMINAL IN; End Item Identification: MRAP - COMMON NSN - USED ON 3 MRAP VARIANTS AND 1 OTHER WEAPON SYSTEM; HIGH-MOBILITY ARTILLERY ROCKET SYSTEM (HIMARS); Height: 2.230 INCHES NOMINAL IN. 7 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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