PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

770-4Mount,resilient,weapon System

Hutchinson Aerospace & Industry, Inc. Dba Barry Wright Corp · NSN 5342-00-489-3458 · FSC 5342 · Mount,resilient,weapon System
Verified by PartsTable
NSN 5342-00-489-3458 — this item is cataloged by the U.S. Government under National Stock Number 5342-00-489-3458. Primary manufacturer part number: 770-4.
Features
  • Mount,resilient,weapon System — FSC 5342
  • Flange Mounting Hole Diameter: 0.196 INCHES NOMINAL IN
  • Height: 1.500 INCHES NOMINAL IN
  • Flange Width: 1.813 INCHES NOMINAL IN
  • Static Load Rating at Specified Deflection: 2.25 LB LOAD RATING AT 0.047 IN. DEFLECTION LBS
  • Style Designator: ROUND FOUR-HOLE FLANGE
  • Surface Treatment: ANODIZE OVERALL
  • Thread Size: 8-32NC-2B ALL THREADED PORTIONS
Applications
  • Applications requiring Aluminum Overall construction
General Description

The Mount,resilient,weapon System, cataloged under National Stock Number 5342-00-489-3458, is classified within Federal Supply Class 5342 (Mount,resilient,weapon System) of the Hardware and Abrasives group. The primary manufacturer of record is Hutchinson Aerospace & Industry, Inc. Dba Barry Wright Corp. Government technical data includes 12 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5342-00-489-3458
Primary Part Number770-4
Item NameMount,resilient,weapon System
FSC / FSG5342 / 53 — Mount,resilient,weapon System
ManufacturerHutchinson Aerospace & Industry, Inc. Dba Barry Wright Corp
StatusACTIVE
Flange Mounting Hole Diameter0.196 INCHES NOMINAL IN
Height1.500 INCHES NOMINAL IN
Flange Width1.813 INCHES NOMINAL IN
Static Load Rating at Specified Deflection2.25 LB LOAD RATING AT 0.047 IN. DEFLECTION LBS
Style DesignatorROUND FOUR-HOLE FLANGE
Surface TreatmentANODIZE OVERALL
Thread Size8-32NC-2B ALL THREADED PORTIONS
MaterialALUMINUM OVERALL
Distance Between Mounting Hole Centers1.375 INCHES NOMINAL IN
Shortest Distance Between Mounting Hole Centers1.375 INCHES NOMINAL IN
Flange Thickness0.125 INCHES NOMINAL IN
Flange Length1.813 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
2825-00-175-88487704 INTERCHANGEABLE
Shaft Assembly
Northrop Grumman Systems Corporation Div Marine Systems
3455-00-238-9079A810-60R INTERCHANGEABLE
Cutter,milling,angle
F & D Tool Co Inc
4820-00-272-3347 INTERCHANGEABLE
Cock,drain
5910-00-523-9262 INTERCHANGEABLE
Capacitor,fixed,electrolytic
4320-00-606-264233741-004 14990 INTERCHANGEABLE
Plate,valve
The Gorman-Rupp Company Div Gorman-Rupp
2520-00-615-60523-1-3291 INTERCHANGEABLE
Flange,companion,vehicular Unive
Dana Commercial Vehicle Manufacturing, Llc Dba Dana Commercial Vehicle Products
2810-00-795-294772434 INTERCHANGEABLE
Plug,piston Pin
Textron Lycoming Inc Williamsport Plant
2520-00-799-43297994329 INTERCHANGEABLE
Gear
U S Army Tank Automotive Command Amsta-Im-Mm
9390-01-097-6357 INTERCHANGEABLE
Wick
5307-01-109-263072434 INTERCHANGEABLE
Stud,pivot
Abd Intl Inc Dba Abdick
Cross-Reference Index
Part NumberManufacturer
770-4 PRIMARY Hutchinson Aerospace & Industry, Inc. Dba Barry Wright Corp (USA)
72434 Arma Div Ambac Industries Inc
Related Parts
2825-00-175-8848INTERCHANGEABLE
SHAFT ASSEMBLY
7704
3455-00-238-9079INTERCHANGEABLE
CUTTER,MILLING,ANGLE
A810-60R
4820-00-272-3347INTERCHANGEABLE
COCK,DRAIN
5910-00-523-9262INTERCHANGEABLE
CAPACITOR,FIXED,ELECTROLYTIC
4320-00-606-2642INTERCHANGEABLE
PLATE,VALVE
33741-004 14990
2520-00-615-6052INTERCHANGEABLE
FLANGE,COMPANION,VEHICULAR UNIVE
3-1-3291
2810-00-795-2947INTERCHANGEABLE
PLUG,PISTON PIN
72434
2520-00-799-4329INTERCHANGEABLE
GEAR
7994329
9390-01-097-6357INTERCHANGEABLE
WICK
5307-01-109-2630INTERCHANGEABLE
STUD,PIVOT
72434
6510-01-153-4698INTERCHANGEABLE
PAD ADHESIVE SKIN-O
651000C980602#
4320-01-274-7994INTERCHANGEABLE
ROD,DISCHARGE PISTO
7704

Frequently Asked Questions

What is NSN 5342-00-489-3458?

NSN 5342-00-489-3458 is a Mount,resilient,weapon System, manufactured by Hutchinson Aerospace & Industry, Inc. Dba Barry Wright Corp, classified under FSC 5342 (Mount,resilient,weapon System). Status: active.

What are the part numbers for NSN 5342-00-489-3458?

NSN 5342-00-489-3458 has 2 cross-referenced part numbers: 770-4 (Hutchinson Aerospace & Industry, Inc. Dba Barry Wright Corp), 72434 (Arma Div Ambac Industries Inc).

What NSN replaces 5342-00-489-3458?

There are 12 known substitutes for 5342-00-489-3458: 2825-00-175-8848, 3455-00-238-9079, 4820-00-272-3347 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 770-4?

Key specifications for 770-4: Flange Mounting Hole Diameter: 0.196 INCHES NOMINAL IN; Height: 1.500 INCHES NOMINAL IN; Flange Width: 1.813 INCHES NOMINAL IN; Static Load Rating at Specified Deflection: 2.25 LB LOAD RATING AT 0.047 IN. DEFLECTION LBS. 12 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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