PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4400003Mount,resilient,weapon System

Gichner Systems Group Inc Gichner Mobilizer Div · NSN 5342-00-889-7268 · FSC 5342 · Mount,resilient,weapon System
Verified by PartsTable
NSN 5342-00-889-7268 — this item is cataloged by the U.S. Government under National Stock Number 5342-00-889-7268. Primary manufacturer part number: 4400003.
Features
  • Mount,resilient,weapon System — FSC 5342
  • Surface Treatment: PAINT OVERALL
  • Height: 0.250 INCHES NOMINAL IN
  • Flange Width: 1.500 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • Flange Length: 2.000 INCHES NOMINAL IN
  • 1 verified cross-reference
  • Primary manufacturer: Gichner Systems Group Inc Gichner Mobilizer Div
Applications
  • Applications requiring Steel Overall construction
General Description

The Mount,resilient,weapon System, cataloged under National Stock Number 5342-00-889-7268, is classified within Federal Supply Class 5342 (Mount,resilient,weapon System) of the Hardware and Abrasives group. The primary manufacturer of record is Gichner Systems Group Inc Gichner Mobilizer Div. Government technical data includes 5 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
NSN5342-00-889-7268
Primary Part Number4400003
Item NameMount,resilient,weapon System
FSC / FSG5342 / 53 — Mount,resilient,weapon System
ManufacturerGichner Systems Group Inc Gichner Mobilizer Div
StatusACTIVE
Surface TreatmentPAINT OVERALL
Height0.250 INCHES NOMINAL IN
Flange Width1.500 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Flange Length2.000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
7640-00-172-86474400-003 INTERCHANGEABLE
Chart
Bird Electronic Corporation Div Bird Electronic Corp
5915-01-480-81024400003 INTERCHANGEABLE
Filter,radio Frequency Interfere
Tusonix, Llc
5310-01-502-771498019A330 INTERCHANGEABLE
Washer,flat
Mcmaster-Carr Supply Co
Cross-Reference Index
Part NumberManufacturer
4400003 Gichner Systems Group Inc Gichner Mobilizer Div (USA)
Related Parts
7640-00-172-8647INTERCHANGEABLE
CHART
4400-003
5915-01-480-8102INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
4400003
5310-01-502-7714INTERCHANGEABLE
WASHER,FLAT
98019A330

Frequently Asked Questions

What is NSN 5342-00-889-7268?

NSN 5342-00-889-7268 is a Mount,resilient,weapon System, manufactured by Gichner Systems Group Inc Gichner Mobilizer Div, classified under FSC 5342 (Mount,resilient,weapon System). Status: active.

What are the part numbers for NSN 5342-00-889-7268?

NSN 5342-00-889-7268 has 1 cross-referenced part number: 4400003 (Gichner Systems Group Inc Gichner Mobilizer Div).

What NSN replaces 5342-00-889-7268?

There are 3 known substitutes for 5342-00-889-7268: 7640-00-172-8647, 5915-01-480-8102, 5310-01-502-7714. Verify interchangeability with system specifications before substitution.

What are the specifications of 4400003?

Key specifications for 4400003: Surface Treatment: PAINT OVERALL; Height: 0.250 INCHES NOMINAL IN; Flange Width: 1.500 INCHES NOMINAL IN; Material: STEEL OVERALL. 5 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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