PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AS3209-238O-Ring

Sae International Dba Sae International · NSN 5331-01-418-2320 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-418-2320 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-418-2320. Primary manufacturer part number: AS3209-238.
Features
  • O-Ring — FSC 5331
  • Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
  • Center Hole Diameter: 3.460 INCHES MINIMUM AND 3.508 INCHES MAXIMUM IN
  • Material: RUBBER FLUOROCARBON CLASS FPM
  • 3 verified cross-references
  • Primary manufacturer: Sae International Dba Sae International
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 5331-01-418-2320, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Sae International Dba Sae International. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-01-418-2320
Primary Part NumberAS3209-238
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerSae International Dba Sae International
StatusACTIVE
Cross-Sectional Height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
Center Hole Diameter3.460 INCHES MINIMUM AND 3.508 INCHES MAXIMUM IN
MaterialRUBBER FLUOROCARBON CLASS FPM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5331-00-165-1956M83248/1-238 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-01-467-5453AS3209-238 INTERCHANGEABLE
O-Ring
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
5331-01-497-4151AS3085-238 INTERCHANGEABLE
O-Ring
Rolls Royce Corp
Cross-Reference Index
Part NumberManufacturer
SAE-AMS7276 Sae International Dba Sae International (USA)
AS3209-238 PRIMARY Sae International Dba Sae International (USA)
AS3209-238 Society of Automotive Engineers Inc (USA)
Related Parts
5331-00-165-1956INTERCHANGEABLE
O-RING
M83248/1-238
5331-01-467-5453INTERCHANGEABLE
O-RING
AS3209-238
5331-01-497-4151INTERCHANGEABLE
O-RING
AS3085-238

Frequently Asked Questions

What is NSN 5331-01-418-2320?

NSN 5331-01-418-2320 is a O-Ring, manufactured by Sae International Dba Sae International, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-418-2320?

NSN 5331-01-418-2320 has 3 cross-referenced part numbers: SAE-AMS7276 (Sae International Dba Sae International), AS3209-238 (Sae International Dba Sae International), AS3209-238 (Society of Automotive Engineers Inc).

What NSN replaces 5331-01-418-2320?

There are 3 known substitutes for 5331-01-418-2320: 5331-00-165-1956, 5331-01-467-5453, 5331-01-497-4151. Verify interchangeability with system specifications before substitution.

What are the specifications of AS3209-238?

Key specifications for AS3209-238: Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN; Center Hole Diameter: 3.460 INCHES MINIMUM AND 3.508 INCHES MAXIMUM IN; Material: RUBBER FLUOROCARBON CLASS FPM. 3 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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