PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AS3209-010 BROWN ONLYO-Ring

Sae International Dba Sae International · NSN 5331-01-385-9399 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-385-9399 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-385-9399. Primary manufacturer part number: AS3209-010 BROWN ONLY.
Features
  • O-Ring — FSC 5331
  • Center Hole Diameter: 0.234 INCHES MINIMUM AND 0.244 INCHES MAXIMUM IN
  • Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
  • Hardness Rating: 75.0 SHORE DUROMETER A NOMINAL
  • Material Document and Classification: MIL-R-83248 TYPE 1, CLASS 1 MIL SPEC SINGLE MATERIAL RESPONSE
  • Color: BROWN
  • Material: RUBBER FLUOROCARBON CLASS FPM
  • 14 verified cross-references
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 5331-01-385-9399, 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 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 14 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5331-01-385-9399
Primary Part NumberAS3209-010 BROWN ONLY
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerSae International Dba Sae International
StatusCANCELLED
Center Hole Diameter0.234 INCHES MINIMUM AND 0.244 INCHES MAXIMUM IN
Cross-Sectional Height0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
Hardness Rating75.0 SHORE DUROMETER A NOMINAL
Material Document and ClassificationMIL-R-83248 TYPE 1, CLASS 1 MIL SPEC SINGLE MATERIAL RESPONSE
ColorBROWN
MaterialRUBBER FLUOROCARBON CLASS FPM
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
5331-00-166-0969M83248/1-010 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-01-062-4466M83248/1-010CP INTERCHANGEABLE
O-Ring
Naval Inventory Control Point Mechanicsburg
5331-01-222-3507 INTERCHANGEABLE
O-Ring
5330-01-290-2116 INTERCHANGEABLE
Packing,preformed
5331-01-392-2886AS3209-213 BROWN INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-01-395-3022 INTERCHANGEABLE
O-Ring
5331-01-463-8897AS3085-010 INTERCHANGEABLE
Packing,preformed,a
Rolls Royce Corp
5331-01-529-81987550478-2852200111A-12 INTERCHANGEABLE
O-Ring
Naval Sea Systems Command
5331-01-550-4851 INTERCHANGEABLE
O-Ring
Cross-Reference Index
Part NumberManufacturer
AMS7276 Society of Automotive Engineers Inc (USA)
M83248/1-010 Lockheed Martin Aeronautical Systems Support Company Dba Lmassc (USA)
M83248/1-010 Society of Automotive Engineers Inc (USA)
M83248/1-010 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
AMS7276 BROWN ONLY Society of Automotive Engineers Inc (USA)
MIL-R-83248 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
10431157 Nimikkeistokeskus Ncb Finland (FIN)
M83248/1-010 Boeing Distribution Services Defense Llc (USA)
M83248/1-010 BROWN ONLY Society of Automotive Engineers Inc (USA)
M83248/1-010 BROWN ONLY Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
AMS7276 BROWN ONLY/AS3209-0 Society of Automotive Engineers Inc (USA)
AMS7276 BROWN ONLY/AS3209-0 Sae International Dba Sae International (USA)
SAE-AMS7276 Sae International Dba Sae International (USA)
AS3209-010 BROWN ONLY PRIMARY Sae International Dba Sae International (USA)
Related Parts
5331-00-166-0969INTERCHANGEABLE
O-RING
M83248/1-010
5331-01-062-4466INTERCHANGEABLE
O-RING
M83248/1-010CP
5331-01-222-3507INTERCHANGEABLE
O-RING
5330-01-290-2116INTERCHANGEABLE
PACKING,PREFORMED
5331-01-392-2886INTERCHANGEABLE
O-RING
AS3209-213 BROWN
5331-01-395-3022INTERCHANGEABLE
O-RING
5331-01-463-8897INTERCHANGEABLE
PACKING,PREFORMED,A
AS3085-010
5331-01-529-8198INTERCHANGEABLE
O-RING
7550478-2852200111A-12
5331-01-550-4851INTERCHANGEABLE
O-RING

Frequently Asked Questions

What is NSN 5331-01-385-9399?

NSN 5331-01-385-9399 is a O-Ring, manufactured by Sae International Dba Sae International, classified under FSC 5331 (O-Ring). Status: cancelled.

What are the part numbers for NSN 5331-01-385-9399?

NSN 5331-01-385-9399 has 14 cross-referenced part numbers: AMS7276 (Society of Automotive Engineers Inc), M83248/1-010 (Lockheed Martin Aeronautical Systems Support Company Dba Lmassc), M83248/1-010 (Society of Automotive Engineers Inc), M83248/1-010 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), AMS7276 BROWN ONLY (Society of Automotive Engineers Inc) and 9 more.

What NSN replaces 5331-01-385-9399?

There are 9 known substitutes for 5331-01-385-9399: 5331-00-166-0969, 5331-01-062-4466, 5331-01-222-3507 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AS3209-010 BROWN ONLY?

Key specifications for AS3209-010 BROWN ONLY: Center Hole Diameter: 0.234 INCHES MINIMUM AND 0.244 INCHES MAXIMUM IN; Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN; Hardness Rating: 75.0 SHORE DUROMETER A NOMINAL; Material Document and Classification: MIL-R-83248 TYPE 1, CLASS 1 MIL SPEC SINGLE MATERIAL RESPONSE. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5331-01-385-9399 still in active supply?

NSN 5331-01-385-9399 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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