PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21302-5Mount,resilient,weapon System

Hutchinson Aerospace & Industry, Inc. Dba Barry Wright Corp · NSN 5342-00-480-8473 · FSC 5342 · Mount,resilient,weapon System
Verified by PartsTable
NSN 5342-00-480-8473 — this item is cataloged by the U.S. Government under National Stock Number 5342-00-480-8473. Primary manufacturer part number: 21302-5.
Features
  • Mount,resilient,weapon System — FSC 5342
  • Thread Size: 5/16-24 ALL THREADED PORTIONS
  • Stud Length: 0.540 INCHES NOMINAL ALL THREADED STUD IN
  • Major Outside Diameter: 1.320 INCHES NOMINAL IN
  • Bushing Length: 0.600 INCHES NOMINAL IN
  • Flange Length: 1.560 INCHES NOMINAL IN
  • Flange Thickness: 0.120 INCHES NOMINAL IN
  • Height: 2.570 INCHES NOMINAL IN
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Mount,resilient,weapon System, cataloged under National Stock Number 5342-00-480-8473, 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 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5342-00-480-8473
Primary Part Number21302-5
Item NameMount,resilient,weapon System
FSC / FSG5342 / 53 — Mount,resilient,weapon System
ManufacturerHutchinson Aerospace & Industry, Inc. Dba Barry Wright Corp
StatusCANCELLED
Thread Size5/16-24 ALL THREADED PORTIONS
Stud Length0.540 INCHES NOMINAL ALL THREADED STUD IN
Major Outside Diameter1.320 INCHES NOMINAL IN
Bushing Length0.600 INCHES NOMINAL IN
Flange Length1.560 INCHES NOMINAL IN
Flange Thickness0.120 INCHES NOMINAL IN
Height2.570 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
6150-00-035-3126213025 INTERCHANGEABLE
Cable Assembly,special Purpose,e
L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products
6640-00-409-90002130-25 INTERCHANGEABLE
Buret,laboratory
Corning Inc Dba Corning Incorporated Div Specialty Materials
1270-00-674-797055402 INTERCHANGEABLE
Shim,spoiler Bracke
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple
4320-00-684-6070AA19529B INTERCHANGEABLE
Pump Unit,reciprocating
Eaton Aerospace, Llc Dba Jackson South
5330-00-883-0504 INTERCHANGEABLE
Seal,plain Encased
5330-00-927-192755402 INTERCHANGEABLE
Gasket
Parker Hannifin Corporation Div Hydraulic Systems Division
5920-01-120-382321802.5 INTERCHANGEABLE
Fuse,cartridge
Littelfuse, Inc.
Cross-Reference Index
Part NumberManufacturer
21302-5 PRIMARY Hutchinson Aerospace & Industry, Inc. Dba Barry Wright Corp (USA)
218-21327-2 Triumph Aerostructures, Llc Dba Triumph Aerostructures - Vought Integrated Programs Division (USA)
5540-2 National Pipe Co (USA)
Related Parts
6150-00-035-3126INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
213025
6640-00-409-9000INTERCHANGEABLE
BURET,LABORATORY
2130-25
1270-00-674-7970INTERCHANGEABLE
SHIM,SPOILER BRACKE
55402
4320-00-684-6070INTERCHANGEABLE
PUMP UNIT,RECIPROCATING
AA19529B
5330-00-883-0504INTERCHANGEABLE
SEAL,PLAIN ENCASED
5330-00-927-1927INTERCHANGEABLE
GASKET
55402
5920-01-120-3823INTERCHANGEABLE
FUSE,CARTRIDGE
21802.5

Frequently Asked Questions

What is NSN 5342-00-480-8473?

NSN 5342-00-480-8473 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 5342-00-480-8473?

NSN 5342-00-480-8473 has 3 cross-referenced part numbers: 21302-5 (Hutchinson Aerospace & Industry, Inc. Dba Barry Wright Corp), 218-21327-2 (Triumph Aerostructures, Llc Dba Triumph Aerostructures - Vought Integrated Programs Division), 5540-2 (National Pipe Co).

What NSN replaces 5342-00-480-8473?

There are 7 known substitutes for 5342-00-480-8473: 6150-00-035-3126, 6640-00-409-9000, 1270-00-674-7970 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21302-5?

Key specifications for 21302-5: Thread Size: 5/16-24 ALL THREADED PORTIONS; Stud Length: 0.540 INCHES NOMINAL ALL THREADED STUD IN; Major Outside Diameter: 1.320 INCHES NOMINAL IN; Bushing Length: 0.600 INCHES NOMINAL IN. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5342-00-480-8473 still in active supply?

NSN 5342-00-480-8473 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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