PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

300451O-Ring

Austin-Westran Llc · NSN 5331-01-418-4587 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-418-4587 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-418-4587. Primary manufacturer part number: 300451.
Features
  • O-Ring — FSC 5331
  • Cross-Sectional Height: 0.070 INCHES NOMINAL IN
  • Center Hole Diameter: 0.676 INCHES NOMINAL IN
  • 4 verified cross-references
  • Primary manufacturer: Austin-Westran Llc
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-418-4587, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Austin-Westran Llc. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-01-418-4587
Primary Part Number300451
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerAustin-Westran Llc
StatusACTIVE
Cross-Sectional Height0.070 INCHES NOMINAL IN
Center Hole Diameter0.676 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5940-00-069-345611621590 INTERCHANGEABLE
Terminal,lug
U S Army Tank Automotive Command Amsta-Im-Mm
5950-00-241-3454 INTERCHANGEABLE
Coil,radio Frequency
4810-00-442-8095 INTERCHANGEABLE
Sleeve and Slide,directional Con
5970-01-011-7308BT03C1-32THK INTERCHANGEABLE
Insulator Assembly
American Beryllia Inc
6150-01-317-5858300451 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Safran Electrical Components Usa, Inc Div Safran Electrical Components Usa
Cross-Reference Index
Part NumberManufacturer
26-0601-79 ITEM 2 Renk America Llc Div Renk America (USA)
300451 PRIMARY Austin-Westran Llc (USA)
403734 ITEM 6 Austin-Westran Llc (USA)
26-0601-79-02 Renk America Llc Div Renk America (USA)
Related Parts
5940-00-069-3456INTERCHANGEABLE
TERMINAL,LUG
11621590
5950-00-241-3454INTERCHANGEABLE
COIL,RADIO FREQUENCY
4810-00-442-8095INTERCHANGEABLE
SLEEVE AND SLIDE,DIRECTIONAL CON
5970-01-011-7308INTERCHANGEABLE
INSULATOR ASSEMBLY
BT03C1-32THK
6150-01-317-5858INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
300451

Frequently Asked Questions

What is NSN 5331-01-418-4587?

NSN 5331-01-418-4587 is a O-Ring, manufactured by Austin-Westran Llc, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-418-4587?

NSN 5331-01-418-4587 has 4 cross-referenced part numbers: 26-0601-79 ITEM 2 (Renk America Llc Div Renk America), 300451 (Austin-Westran Llc), 403734 ITEM 6 (Austin-Westran Llc), 26-0601-79-02 (Renk America Llc Div Renk America).

What NSN replaces 5331-01-418-4587?

There are 5 known substitutes for 5331-01-418-4587: 5940-00-069-3456, 5950-00-241-3454, 4810-00-442-8095 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 300451?

Key specifications for 300451: Cross-Sectional Height: 0.070 INCHES NOMINAL IN; Center Hole Diameter: 0.676 INCHES NOMINAL IN. 2 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com