PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40003-21Bracket,mounting

Vigor Works Llc · NSN 5340-01-731-6399 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-01-731-6399 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-731-6399. Primary manufacturer part number: 40003-21.
Features
  • Bracket,mounting — FSC 5340
  • 2 verified cross-references
  • Primary manufacturer: Vigor Works Llc
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Bracket,mounting, cataloged under National Stock Number 5340-01-731-6399, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Vigor Works Llc. This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameBracket,mounting
FSC / FSG5340 — No Item Name Available (FSG 53)
ManufacturersVigor Works Llc (CAGE 8CXQ6)
Technical Specifications
ParameterValue
NSN5340-01-731-6399
Primary Part Number40003-21
Item NameBracket,mounting
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerVigor Works Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5905-00-108-6264402090PC3 INTERCHANGEABLE
Resistor,variable,wire Wound,non
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Cross-Reference Index
Part NumberManufacturer
40003-21 PRIMARY Vigor Works Llc (USA)
01-40003-00 - PAGE 277 - ITEM 23 Vigor Works Llc (USA)
Related Parts
5905-00-108-6264INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
402090PC3

Frequently Asked Questions

What is NSN 5340-01-731-6399?

NSN 5340-01-731-6399 is a Bracket,mounting, manufactured by Vigor Works Llc, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-01-731-6399?

NSN 5340-01-731-6399 has 2 cross-referenced part numbers: 40003-21 (Vigor Works Llc), 01-40003-00 - PAGE 277 - ITEM 23 (Vigor Works Llc).

What NSN replaces 5340-01-731-6399?

There is 1 known substitute for 5340-01-731-6399: 5905-00-108-6264. Verify interchangeability with system specifications before substitution.

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