PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3858-3Mount,resilient,weapon System

Hutchinson Aerospace & Industry, Inc. Dba Barry Wright Corp · NSN 5342-01-521-1927 · FSC 5342 · Mount,resilient,weapon System
Verified by PartsTable
NSN 5342-01-521-1927 — this item is cataloged by the U.S. Government under National Stock Number 5342-01-521-1927. Primary manufacturer part number: 3858-3.
Features
  • Mount,resilient,weapon System — FSC 5342
  • Flange Width: 2.970 INCHES MINIMUM AND 3.030 INCHES MAXIMUM IN
  • Style Designator: ROUND W/BUSHING FOUR-HOLE FLANGE
  • Height: 1.810 INCHES NOMINAL IN
  • Flange Length: 2.970 INCHES MINIMUM AND 3.030 INCHES MAXIMUM IN
  • Distance Between Mounting Hole Centers: 2.453 INCHES NOMINAL IN
  • Shortest Distance Between Mounting Hole Centers: 2.453 INCHES NOMINAL IN
  • Flange Mounting Hole Diameter: 0.191 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 5342-01-521-1927, 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 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5342-01-521-1927
Primary Part Number3858-3
Item NameMount,resilient,weapon System
FSC / FSG5342 / 53 — Mount,resilient,weapon System
ManufacturerHutchinson Aerospace & Industry, Inc. Dba Barry Wright Corp
StatusACTIVE
Flange Width2.970 INCHES MINIMUM AND 3.030 INCHES MAXIMUM IN
Style DesignatorROUND W/BUSHING FOUR-HOLE FLANGE
Height1.810 INCHES NOMINAL IN
Flange Length2.970 INCHES MINIMUM AND 3.030 INCHES MAXIMUM IN
Distance Between Mounting Hole Centers2.453 INCHES NOMINAL IN
Shortest Distance Between Mounting Hole Centers2.453 INCHES NOMINAL IN
Flange Mounting Hole Diameter0.191 INCHES NOMINAL IN
Inside Diameter0.640 INCHES NOMINAL IN
Flange Thickness0.420 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5950-00-563-41138516225 INTERCHANGEABLE
Reactor
Us Army Aviation and Missile Command
3610-00-756-6778 INTERCHANGEABLE
Plate,lithographic Printing
2815-01-325-2360 INTERCHANGEABLE
Engine Block Assembly,diesel
Cross-Reference Index
Part NumberManufacturer
3858-3 PRIMARY Hutchinson Aerospace & Industry, Inc. Dba Barry Wright Corp (USA)
Related Parts
5950-00-563-4113INTERCHANGEABLE
REACTOR
8516225
3610-00-756-6778INTERCHANGEABLE
PLATE,LITHOGRAPHIC PRINTING
2815-01-325-2360INTERCHANGEABLE
ENGINE BLOCK ASSEMBLY,DIESEL

Frequently Asked Questions

What is NSN 5342-01-521-1927?

NSN 5342-01-521-1927 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 5342-01-521-1927?

NSN 5342-01-521-1927 has 1 cross-referenced part number: 3858-3 (Hutchinson Aerospace & Industry, Inc. Dba Barry Wright Corp).

What NSN replaces 5342-01-521-1927?

There are 3 known substitutes for 5342-01-521-1927: 5950-00-563-4113, 3610-00-756-6778, 2815-01-325-2360. Verify interchangeability with system specifications before substitution.

What are the specifications of 3858-3?

Key specifications for 3858-3: Flange Width: 2.970 INCHES MINIMUM AND 3.030 INCHES MAXIMUM IN; Style Designator: ROUND W/BUSHING FOUR-HOLE FLANGE; Height: 1.810 INCHES NOMINAL IN; Flange Length: 2.970 INCHES MINIMUM AND 3.030 INCHES MAXIMUM IN. 10 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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