PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AS3209-37O-Ring

Sae International Dba Sae International · NSN 5331-01-587-5906 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-587-5906 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-587-5906. Primary manufacturer part number: AS3209-37.
Features
  • O-Ring — FSC 5331
  • Material: RUBBER FLUOROCARBON CLASS FPM
  • Material Document and Classification: AMS 7276 ASSN STD SINGLE MATERIAL RESPONSE
  • Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
  • Center Hole Diameter: 2.471 INCHES MINIMUM AND 2.507 INCHES MAXIMUM IN
  • 4 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 5331-01-587-5906, 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 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-01-587-5906
Primary Part NumberAS3209-37
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerSae International Dba Sae International
StatusACTIVE
MaterialRUBBER FLUOROCARBON CLASS FPM
Material Document and ClassificationAMS 7276 ASSN STD SINGLE MATERIAL RESPONSE
Cross-Sectional Height0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
Center Hole Diameter2.471 INCHES MINIMUM AND 2.507 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5331-00-166-8396AMS7276G INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-01-324-5266M83248/1-037 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
AS3209-37 Society of Automotive Engineers Inc (USA)
M83248/1-037 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
SAE-AMS7276 Sae International Dba Sae International (USA)
AS3209-37 PRIMARY Sae International Dba Sae International (USA)
Related Parts
5331-00-166-8396INTERCHANGEABLE
O-RING
AMS7276G
5331-01-324-5266INTERCHANGEABLE
O-RING
M83248/1-037

Frequently Asked Questions

What is NSN 5331-01-587-5906?

NSN 5331-01-587-5906 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 5331-01-587-5906?

NSN 5331-01-587-5906 has 4 cross-referenced part numbers: AS3209-37 (Society of Automotive Engineers Inc), M83248/1-037 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), SAE-AMS7276 (Sae International Dba Sae International), AS3209-37 (Sae International Dba Sae International).

What NSN replaces 5331-01-587-5906?

There are 2 known substitutes for 5331-01-587-5906: 5331-00-166-8396, 5331-01-324-5266. Verify interchangeability with system specifications before substitution.

What are the specifications of AS3209-37?

Key specifications for AS3209-37: Material: RUBBER FLUOROCARBON CLASS FPM; Material Document and Classification: AMS 7276 ASSN STD SINGLE MATERIAL RESPONSE; Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN; Center Hole Diameter: 2.471 INCHES MINIMUM AND 2.507 INCHES MAXIMUM IN. 4 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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