PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AS3209-233O-Ring

Sae International Dba Sae International · NSN 5331-01-231-7478 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-231-7478 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-231-7478. Primary manufacturer part number: AS3209-233.
Features
  • O-Ring — FSC 5331
  • Center Hole Diameter: 2.835 INCHES MINIMUM AND 2.883 INCHES MAXIMUM IN
  • Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
  • Material: RUBBER FLUOROCARBON CLASS FPM
  • Criticality Code Justification: ADYT
  • Elongation Percentage: 125 MAXIMUM
  • 6 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 5331-01-231-7478, 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 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-01-231-7478
Primary Part NumberAS3209-233
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerSae International Dba Sae International
StatusACTIVE
Center Hole Diameter2.835 INCHES MINIMUM AND 2.883 INCHES MAXIMUM IN
Cross-Sectional Height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
MaterialRUBBER FLUOROCARBON CLASS FPM
Criticality Code JustificationADYT
Elongation Percentage125 MAXIMUM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5331-00-165-1951M83248/1-233 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-00-167-5123AS3209-136 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-00-167-5164AS3209-451 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-00-330-3307AS3209-141 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-01-005-0515 INTERCHANGEABLE
O-Ring
5331-01-005-2311AS3209-454 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-01-005-3202AS3209-267 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-01-005-3205AS3209-348 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-01-054-2587 INTERCHANGEABLE
O-Ring
5331-01-187-9076AS3209-019 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
SAE AS3209 Sae International Dba Sae International (USA)
LL-HX4-4173 Defense Logistics Agency Dba Defense Supply Center Philadelphia (USA)
AS3209-233 PRIMARY Sae International Dba Sae International (USA)
SAE AS3209-233 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-R-83248/1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M83248/1-233 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5331-00-165-1951INTERCHANGEABLE
O-RING
M83248/1-233
5331-00-167-5123INTERCHANGEABLE
O-RING
AS3209-136
5331-00-167-5164INTERCHANGEABLE
O-RING
AS3209-451
5331-00-330-3307INTERCHANGEABLE
O-RING
AS3209-141
5331-01-005-0515INTERCHANGEABLE
O-RING
5331-01-005-2311INTERCHANGEABLE
O-RING
AS3209-454
5331-01-005-3202INTERCHANGEABLE
O-RING
AS3209-267
5331-01-005-3205INTERCHANGEABLE
O-RING
AS3209-348
5331-01-054-2587INTERCHANGEABLE
O-RING
5331-01-187-9076INTERCHANGEABLE
O-RING
AS3209-019
5331-01-271-4286INTERCHANGEABLE
O-RING
5331-01-290-2115INTERCHANGEABLE
O-RING
AS3209-129

Frequently Asked Questions

What is NSN 5331-01-231-7478?

NSN 5331-01-231-7478 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 5331-01-231-7478?

NSN 5331-01-231-7478 has 6 cross-referenced part numbers: SAE AS3209 (Sae International Dba Sae International), LL-HX4-4173 (Defense Logistics Agency Dba Defense Supply Center Philadelphia), AS3209-233 (Sae International Dba Sae International), SAE AS3209-233 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-R-83248/1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 1 more.

What NSN replaces 5331-01-231-7478?

There are 12 known substitutes for 5331-01-231-7478: 5331-00-165-1951, 5331-00-167-5123, 5331-00-167-5164 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AS3209-233?

Key specifications for AS3209-233: Center Hole Diameter: 2.835 INCHES MINIMUM AND 2.883 INCHES MAXIMUM IN; Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN; Material: RUBBER FLUOROCARBON CLASS FPM; Criticality Code Justification: ADYT. 5 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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