PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

L64-BA-20Mount,resilient,weapon System

Hutchinson Aerospace & Industry, Inc. Dba Barry Wright Corp · NSN 5342-00-865-3746 · FSC 5342 · Mount,resilient,weapon System
Verified by PartsTable
NSN 5342-00-865-3746 — this item is cataloged by the U.S. Government under National Stock Number 5342-00-865-3746. Primary manufacturer part number: L64-BA-20.
Features
  • Mount,resilient,weapon System — FSC 5342
  • Flange Thickness: 0.187 INCHES NOMINAL IN
  • Shortest Distance Between Mounting Hole Centers: 1.937 INCHES NOMINAL IN
  • Material: ALUMINUM ALLOY FLANGE
  • Distance Between Mounting Hole Centers: 1.937 INCHES NOMINAL IN
  • Stud Length: 0.562 INCHES NOMINAL ALL THREADED STUD IN
  • Flange Width: 2.375 INCHES NOMINAL IN
  • Style Designator: ROUND SPRING COMPRESSION FOUR-HOLE FLANGE
Applications
  • Applications requiring Aluminum Alloy Flange construction
General Description

The Mount,resilient,weapon System, cataloged under National Stock Number 5342-00-865-3746, 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 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5342-00-865-3746
Primary Part NumberL64-BA-20
Item NameMount,resilient,weapon System
FSC / FSG5342 / 53 — Mount,resilient,weapon System
ManufacturerHutchinson Aerospace & Industry, Inc. Dba Barry Wright Corp
StatusACTIVE
Flange Thickness0.187 INCHES NOMINAL IN
Shortest Distance Between Mounting Hole Centers1.937 INCHES NOMINAL IN
MaterialALUMINUM ALLOY FLANGE
Distance Between Mounting Hole Centers1.937 INCHES NOMINAL IN
Stud Length0.562 INCHES NOMINAL ALL THREADED STUD IN
Flange Width2.375 INCHES NOMINAL IN
Style DesignatorROUND SPRING COMPRESSION FOUR-HOLE FLANGE
Flange Mounting Hole Diameter0.201 INCHES NOMINAL IN
Thread Size1/4-20UNC-2B ALL THREADED PORTIONS
MaterialSTEEL SPRING
Height1.706 INCHES NOMINAL IN
Flange Length2.375 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
6340-00-024-214021636 INTERCHANGEABLE
Fault Assy,positive
Hamilton Sundstrand Corporation Dba Collins Aerospace
3110-00-151-91323-32GRADE3 INTERCHANGEABLE
Ball,bearing
Skf Usa Inc.
5365-00-572-736021636 INTERCHANGEABLE
Ring,e,pansion
Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems
5360-00-597-2188 INTERCHANGEABLE
Spring,helical,extension
5340-00-910-8105216-36 INTERCHANGEABLE
Grip,handle
Fl Industries Inc Pneumotive Div
4210-01-133-9053438735 INTERCHANGEABLE
Extinguisher,fire
Tyco Fire Products Lp
5915-01-330-538610073-7315 INTERCHANGEABLE
Filter,band Pass
L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications
2930-01-411-623521636 INTERCHANGEABLE
Impeller,pump,centrifugal
Industrial Technologies and Services Llc
5905-01-479-610221636 INTERCHANGEABLE
Resistor,thermal
Rdf Corporation
4720-01-728-745921636 INTERCHANGEABLE
Hose Assembly Set,nonmetallic
Ritchie Engineering Co Inc
Cross-Reference Index
Part NumberManufacturer
7949317-001 Delco Electronics Corp Delco Systems Opns (USA)
21636 Whittaker Corp Whittaker Electronic Systems Div (USA)
M64BA20 Hutchinson Aerospace & Industry, Inc. Dba Barry Wright Corp (USA)
L64BA20 Hutchinson Aerospace & Industry, Inc. (USA)
L64-BA-20 PRIMARY Hutchinson Aerospace & Industry, Inc. Dba Barry Wright Corp (USA)
7949317-001 General Motors Corp (USA)
Related Parts
6340-00-024-2140INTERCHANGEABLE
FAULT ASSY,POSITIVE
21636
3110-00-151-9132INTERCHANGEABLE
BALL,BEARING
3-32GRADE3
5365-00-572-7360INTERCHANGEABLE
RING,E,PANSION
21636
5360-00-597-2188INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
5340-00-910-8105INTERCHANGEABLE
GRIP,HANDLE
216-36
4210-01-133-9053INTERCHANGEABLE
EXTINGUISHER,FIRE
438735
5915-01-330-5386INTERCHANGEABLE
FILTER,BAND PASS
10073-7315
2930-01-411-6235INTERCHANGEABLE
IMPELLER,PUMP,CENTRIFUGAL
21636
5905-01-479-6102INTERCHANGEABLE
RESISTOR,THERMAL
21636
4720-01-728-7459INTERCHANGEABLE
HOSE ASSEMBLY SET,NONMETALLIC
21636

Frequently Asked Questions

What is NSN 5342-00-865-3746?

NSN 5342-00-865-3746 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 5342-00-865-3746?

NSN 5342-00-865-3746 has 6 cross-referenced part numbers: 7949317-001 (Delco Electronics Corp Delco Systems Opns), 21636 (Whittaker Corp Whittaker Electronic Systems Div), M64BA20 (Hutchinson Aerospace & Industry, Inc. Dba Barry Wright Corp), L64BA20 (Hutchinson Aerospace & Industry, Inc.), L64-BA-20 (Hutchinson Aerospace & Industry, Inc. Dba Barry Wright Corp) and 1 more.

What NSN replaces 5342-00-865-3746?

There are 10 known substitutes for 5342-00-865-3746: 6340-00-024-2140, 3110-00-151-9132, 5365-00-572-7360 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of L64-BA-20?

Key specifications for L64-BA-20: Flange Thickness: 0.187 INCHES NOMINAL IN; Shortest Distance Between Mounting Hole Centers: 1.937 INCHES NOMINAL IN; Material: ALUMINUM ALLOY FLANGE; Distance Between Mounting Hole Centers: 1.937 INCHES NOMINAL IN. 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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