PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AS3209-037O-Ring

Sae International Dba Sae International · NSN 5331-01-065-2651 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-065-2651 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-065-2651. Primary manufacturer part number: AS3209-037.
Features
  • O-Ring — FSC 5331
  • Outside Diameter: 2.329 INCHES NOMINAL IN
  • Temp Rating: -20.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
  • Elongation Percentage: 125 MAXIMUM
  • Hardness Rating: 75.0 SHORE DUROMETER A NOMINAL
  • Center Hole Diameter: 2.471 INCHES MINIMUM AND 2.507 INCHES MAXIMUM IN
  • Material: RUBBER SYNTHETIC
  • Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Synthetic construction
General Description

The O-Ring, cataloged under National Stock Number 5331-01-065-2651, 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 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 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
NSN5331-01-065-2651
Primary Part NumberAS3209-037
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerSae International Dba Sae International
StatusACTIVE
Outside Diameter2.329 INCHES NOMINAL IN
Temp Rating-20.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
Elongation Percentage125 MAXIMUM
Hardness Rating75.0 SHORE DUROMETER A NOMINAL
Center Hole Diameter2.471 INCHES MINIMUM AND 2.507 INCHES MAXIMUM IN
MaterialRUBBER SYNTHETIC
Cross-Sectional Height0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5331-00-166-8396AMS7276G INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
AS3209-037 PRIMARY Sae International Dba Sae International (USA)
ST3001-037 Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN)
AS3209-037 Society of Automotive Engineers Inc (USA)
MILR83248 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
SAE-AMS7276 Sae International Dba Sae International (USA)
Related Parts
5331-00-166-8396INTERCHANGEABLE
O-RING
AMS7276G

Frequently Asked Questions

What is NSN 5331-01-065-2651?

NSN 5331-01-065-2651 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 5331-01-065-2651?

NSN 5331-01-065-2651 has 5 cross-referenced part numbers: AS3209-037 (Sae International Dba Sae International), ST3001-037 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.), AS3209-037 (Society of Automotive Engineers Inc), MILR83248 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), SAE-AMS7276 (Sae International Dba Sae International).

What NSN replaces 5331-01-065-2651?

There is 1 known substitute for 5331-01-065-2651: 5331-00-166-8396. Verify interchangeability with system specifications before substitution.

What are the specifications of AS3209-037?

Key specifications for AS3209-037: Outside Diameter: 2.329 INCHES NOMINAL IN; Temp Rating: -20.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF; Elongation Percentage: 125 MAXIMUM; Hardness Rating: 75.0 SHORE DUROMETER A NOMINAL. 7 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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