PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

770-3GMount,resilient,weapon System

Hutchinson Aerospace & Industry, Inc. Dba Barry Wright Corp · NSN 5342-00-489-3456 · FSC 5342 · Mount,resilient,weapon System
Verified by PartsTable
NSN 5342-00-489-3456 — this item is cataloged by the U.S. Government under National Stock Number 5342-00-489-3456. Primary manufacturer part number: 770-3G.
Features
  • Mount,resilient,weapon System — FSC 5342
  • Flange Width: 1.813 INCHES NOMINAL IN
  • Flange Mounting Hole Diameter: 0.196 INCHES NOMINAL IN
  • Flange Length: 1.813 INCHES NOMINAL IN
  • Style Designator: ROUND SPRING COMPRESSION FOUR-HOLE FLANGE
  • Material: ALUMINUM ALLOY OVERALL
  • Height: 1.500 INCHES NOMINAL IN
  • Shortest Distance Between Mounting Hole Centers: 1.375 INCHES NOMINAL IN
Applications
  • Applications requiring Aluminum Alloy Overall construction
General Description

The Mount,resilient,weapon System, cataloged under National Stock Number 5342-00-489-3456, 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 3 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: Cancelled.

Technical Specifications
ParameterValue
NSN5342-00-489-3456
Primary Part Number770-3G
Item NameMount,resilient,weapon System
FSC / FSG5342 / 53 — Mount,resilient,weapon System
ManufacturerHutchinson Aerospace & Industry, Inc. Dba Barry Wright Corp
StatusCANCELLED
Flange Width1.813 INCHES NOMINAL IN
Flange Mounting Hole Diameter0.196 INCHES NOMINAL IN
Flange Length1.813 INCHES NOMINAL IN
Style DesignatorROUND SPRING COMPRESSION FOUR-HOLE FLANGE
MaterialALUMINUM ALLOY OVERALL
Height1.500 INCHES NOMINAL IN
Shortest Distance Between Mounting Hole Centers1.375 INCHES NOMINAL IN
Surface TreatmentANODIZE OVERALL
Thread Size8-32NC ALL THREADED PORTIONS
Flange Thickness0.125 INCHES NOMINAL IN
Static Load Rating at Specified Deflection1 1/2 LD LOAD AT 3/64 IN IN
Distance Between Mounting Hole Centers1.375 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3540-00-006-2921 INTERCHANGEABLE
Sealing Machine
2815-00-175-73217703-001 INTERCHANGEABLE
Guide,valve
Cooper Machinery Services Llc
2825-00-175-88647703 INTERCHANGEABLE
Shaft Assembly
Westinghouse Electric Corp
3455-00-243-9488A814-45R INTERCHANGEABLE
Cutter,milling,angle
F & D Tool Co Inc
4820-00-272-3346 INTERCHANGEABLE
Cock,drain
5945-00-549-9355 INTERCHANGEABLE
Relay Subassembly
5133-00-839-5469 INTERCHANGEABLE
Drill,twist
5962-01-176-0395 INTERCHANGEABLE
Microcircuit,memory
6210-01-459-140077643 INTERCHANGEABLE
Light,warning
Grote Industries Inc Dba Grote Manufacturing Co Div Military Products
9310-01-608-49857703 INTERCHANGEABLE
Paper,cover
3 Star Papers Ltd Dba Limited Papers Div Limited Papers
Cross-Reference Index
Part NumberManufacturer
344-1012P2 Raytheon Company Div Corp (USA)
770-3G PRIMARY Hutchinson Aerospace & Industry, Inc. Dba Barry Wright Corp (USA)
770-3 PRIMARY Hutchinson Aerospace & Industry, Inc. Dba Barry Wright Corp (USA)
Related Parts
3540-00-006-2921INTERCHANGEABLE
SEALING MACHINE
2815-00-175-7321INTERCHANGEABLE
GUIDE,VALVE
7703-001
2825-00-175-8864INTERCHANGEABLE
SHAFT ASSEMBLY
7703
3455-00-243-9488INTERCHANGEABLE
CUTTER,MILLING,ANGLE
A814-45R
4820-00-272-3346INTERCHANGEABLE
COCK,DRAIN
5945-00-549-9355INTERCHANGEABLE
RELAY SUBASSEMBLY
5133-00-839-5469INTERCHANGEABLE
DRILL,TWIST
5962-01-176-0395INTERCHANGEABLE
MICROCIRCUIT,MEMORY
6210-01-459-1400INTERCHANGEABLE
LIGHT,WARNING
77643
9310-01-608-4985INTERCHANGEABLE
PAPER,COVER
7703
5998-01-626-1701INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
5930-01-664-6448INTERCHANGEABLE
SWITCH,ELECTRONIC

Frequently Asked Questions

What is NSN 5342-00-489-3456?

NSN 5342-00-489-3456 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: cancelled.

What are the part numbers for NSN 5342-00-489-3456?

NSN 5342-00-489-3456 has 3 cross-referenced part numbers: 344-1012P2 (Raytheon Company Div Corp), 770-3G (Hutchinson Aerospace & Industry, Inc. Dba Barry Wright Corp), 770-3 (Hutchinson Aerospace & Industry, Inc. Dba Barry Wright Corp).

What NSN replaces 5342-00-489-3456?

There are 12 known substitutes for 5342-00-489-3456: 3540-00-006-2921, 2815-00-175-7321, 2825-00-175-8864 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 770-3G?

Key specifications for 770-3G: Flange Width: 1.813 INCHES NOMINAL IN; Flange Mounting Hole Diameter: 0.196 INCHES NOMINAL IN; Flange Length: 1.813 INCHES NOMINAL IN; Style Designator: ROUND SPRING COMPRESSION FOUR-HOLE FLANGE. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5342-00-489-3456 still in active supply?

NSN 5342-00-489-3456 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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