PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AS3209-024O-Ring

Rolls-Royce Corporation · NSN 5331-01-298-7221 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-298-7221 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-298-7221. Primary manufacturer part number: AS3209-024.
Features
  • O-Ring — FSC 5331
  • Material Document and Classification: AMS 7276 FED SPEC ALL MATERIAL RESPONSES
  • Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
  • Material: RUBBER FLUOROCARBON CLASS FPM
  • Outside Diameter: 1.171 INCHES MINIMUM AND 1.197 INCHES MAXIMUM IN
  • Center Hole Diameter: 1.104 INCHES MINIMUM AND 1.124 INCHES MAXIMUM IN
  • 8 verified cross-references
  • Primary manufacturer: Rolls-Royce Corporation
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Fluorocarbon Class Fpm construction
General Description

The O-Ring, cataloged under National Stock Number 5331-01-298-7221, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Rolls-Royce Corporation. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-01-298-7221
Primary Part NumberAS3209-024
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerRolls-Royce Corporation
StatusACTIVE
Material Document and ClassificationAMS 7276 FED SPEC ALL MATERIAL RESPONSES
Cross-Sectional Height0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
MaterialRUBBER FLUOROCARBON CLASS FPM
Outside Diameter1.171 INCHES MINIMUM AND 1.197 INCHES MAXIMUM IN
Center Hole Diameter1.104 INCHES MINIMUM AND 1.124 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5331-01-497-4136AS3085-024 INTERCHANGEABLE
O-Ring
Rolls Royce Corp
Cross-Reference Index
Part NumberManufacturer
AS3209-024 PRIMARY Rolls-Royce Corporation (USA)
10335257 Nimikkeistokeskus Ncb Finland (FIN)
946.91.27.724 Pilatus Aircraft Ltd (CHE)
AS3209-024 Leonardo Spa Helicopters Division - Production Site (ITA)
9469127724 Pilatus Aircraft Ltd (CHE)
SAE-AMS7276 Sae International Dba Sae International (USA)
AS3209-024 PRIMARY Sae International Dba Sae International (USA)
AS3209-024 Society of Automotive Engineers Inc (USA)
Related Parts
5331-01-497-4136INTERCHANGEABLE
O-RING
AS3085-024

Frequently Asked Questions

What is NSN 5331-01-298-7221?

NSN 5331-01-298-7221 is a O-Ring, manufactured by Rolls-Royce Corporation, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-298-7221?

NSN 5331-01-298-7221 has 8 cross-referenced part numbers: AS3209-024 (Rolls-Royce Corporation), 10335257 (Nimikkeistokeskus Ncb Finland), 946.91.27.724 (Pilatus Aircraft Ltd), AS3209-024 (Leonardo Spa Helicopters Division - Production Site), 9469127724 (Pilatus Aircraft Ltd) and 3 more.

What NSN replaces 5331-01-298-7221?

There is 1 known substitute for 5331-01-298-7221: 5331-01-497-4136. Verify interchangeability with system specifications before substitution.

What are the specifications of AS3209-024?

Key specifications for AS3209-024: Material Document and Classification: AMS 7276 FED SPEC ALL MATERIAL RESPONSES; Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN; Material: RUBBER FLUOROCARBON CLASS FPM; Part Name Assigned by Controlling Agency: O-RING. 6 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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