PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

GO278O-Ring

Fascan International, Inc. · NSN 5331-01-545-5447 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-545-5447 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-545-5447. Primary manufacturer part number: GO278.
Features
  • O-Ring — FSC 5331
  • 2 verified cross-references
  • Primary manufacturer: Fascan International, Inc.
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-545-5447, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Fascan International, Inc.. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-01-545-5447
Primary Part NumberGO278
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerFascan International, Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5905-01-137-0108 INTERCHANGEABLE
Resistor,fixed,film
4810-01-331-43881001459 INTERCHANGEABLE
Valve,solenoid
Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
Cross-Reference Index
Part NumberManufacturer
1001459 General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp (USA)
GO278 PRIMARY Fascan International, Inc. (USA)
Related Parts
5905-01-137-0108INTERCHANGEABLE
RESISTOR,FIXED,FILM
4810-01-331-4388INTERCHANGEABLE
VALVE,SOLENOID
1001459

Frequently Asked Questions

What is NSN 5331-01-545-5447?

NSN 5331-01-545-5447 is a O-Ring, manufactured by Fascan International, Inc., classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-545-5447?

NSN 5331-01-545-5447 has 2 cross-referenced part numbers: 1001459 (General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp), GO278 (Fascan International, Inc.).

What NSN replaces 5331-01-545-5447?

There are 2 known substitutes for 5331-01-545-5447: 5905-01-137-0108, 4810-01-331-4388. Verify interchangeability with system specifications before substitution.

What are the specifications of GO278?

Key specifications for GO278: End Item Identification: 2320-01-529-2249 TRUCK, BOMB SERVICE; MRAP BUFFALO MK2A2. 1 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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