PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

R-212O-Ring

Radiator Specialty Company · NSN 5331-01-276-8467 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-276-8467 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-276-8467. Primary manufacturer part number: R-212.
Features
  • O-Ring — FSC 5331
  • 1 verified cross-reference
  • Primary manufacturer: Radiator Specialty Company
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-276-8467, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Radiator Specialty Company. 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.

Catalog Facts
Item NameO-Ring
FSC / FSG5331 — O-Ring (FSG 53)
ManufacturersRadiator Specialty Company (CAGE 77628)
Technical Specifications
ParameterValue
NSN5331-01-276-8467
Primary Part NumberR-212
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerRadiator Specialty Company
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
2805-00-353-8836R212 INTERCHANGEABLE
Rotator,valve
Eaton Corp Dba Eaton Aerospace Jackson
5120-00-693-8071220923 INTERCHANGEABLE
Retainer,sealant Dispenser
Prc-Desoto Intl Inc
4210-00-789-1845R2 1-2 INTERCHANGEABLE
Dry Chemical,fire Extinguisher
Tyco Fire Products Lp
Cross-Reference Index
Part NumberManufacturer
R-212 PRIMARY Radiator Specialty Company (USA)
Related Parts
2805-00-353-8836INTERCHANGEABLE
ROTATOR,VALVE
R212
5120-00-693-8071INTERCHANGEABLE
RETAINER,SEALANT DISPENSER
220923
4210-00-789-1845INTERCHANGEABLE
DRY CHEMICAL,FIRE EXTINGUISHER
R2 1-2

Frequently Asked Questions

What is NSN 5331-01-276-8467?

NSN 5331-01-276-8467 is a O-Ring, manufactured by Radiator Specialty Company, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-276-8467?

NSN 5331-01-276-8467 has 1 cross-referenced part number: R-212 (Radiator Specialty Company).

What NSN replaces 5331-01-276-8467?

There are 3 known substitutes for 5331-01-276-8467: 2805-00-353-8836, 5120-00-693-8071, 4210-00-789-1845. Verify interchangeability with system specifications before substitution.

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