PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AS3209-449O-Ring

Sae International Dba Sae International · NSN 5331-01-005-4053 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-005-4053 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-005-4053. Primary manufacturer part number: AS3209-449.
Features
  • O-Ring — FSC 5331
  • Material: RUBBER FLUOROCARBON CLASS FPM
  • Center Hole Diameter: 9.920 INCHES MINIMUM AND 10.030 INCHES MAXIMUM IN
  • Hardness Rating: 75.0 SHORE DUROMETER A NOMINAL
  • Elongation Percentage: 125 MAXIMUM
  • Outside Diameter: 10.458 INCHES MINIMUM AND 10.592 INCHES MAXIMUM IN
  • Cross-Sectional Height: 0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
  • 10 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 5331-01-005-4053, 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 10 commercial cross-references from 7 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
NSN5331-01-005-4053
Primary Part NumberAS3209-449
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerSae International Dba Sae International
StatusCANCELLED
MaterialRUBBER FLUOROCARBON CLASS FPM
Center Hole Diameter9.920 INCHES MINIMUM AND 10.030 INCHES MAXIMUM IN
Hardness Rating75.0 SHORE DUROMETER A NOMINAL
Elongation Percentage125 MAXIMUM
Outside Diameter10.458 INCHES MINIMUM AND 10.592 INCHES MAXIMUM IN
Cross-Sectional Height0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
4820-00-083-422419357 INTERCHANGEABLE
Seat,valve
Mid-America Aerotech, Llc
5962-00-106-42871820-0077 INTERCHANGEABLE
Microcircuit,digital
Hewlett-Packard Company Dba HP
4820-00-189-53711A3001-B-6P-E-C-XXX INTERCHANGEABLE
Valve,safety Relief
Danfoss Fluid Power Inc Easley Opn
5133-00-228-1400 INTERCHANGEABLE
Drill,twist
6110-00-832-5769A2524-1 INTERCHANGEABLE
Distribution Box
Palmer Electric Co Div Tabet Mfg Co Inc
5330-00-892-25692620-901PC28-2IN INTERCHANGEABLE
Packing,preformed
The Walworth Company
5330-01-304-348219357 INTERCHANGEABLE
Gasket
Coffin Turbo Pump Inc
9150-01-439-187325241 INTERCHANGEABLE
Lubricating Oil,weapons
Mil-Comm Products Co, Inc Div Mil-Comm
5210-01-511-514125-24-1 INTERCHANGEABLE
Gage,turning Radius
Hunter Engineering Company Inc
Cross-Reference Index
Part NumberManufacturer
A1005796 Federal Equipment and Manufacturing Co., Inc. Div Federal Equipment & Manufacturing Co., Inc. (USA)
25241 Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia (USA)
SAE-AMS7276 Sae International Dba Sae International (USA)
AS3209-449 PRIMARY Sae International Dba Sae International (USA)
MIL-R-83248/1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
AS3209-449 Society of Automotive Engineers Inc (USA)
MILR25897TYPE1CLASS1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
2-449 V747-75 PRIMARY Parker-Hannifin Corp Div O-Ring Division (USA)
M83248/1-449 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
19357 PRIMARY Parker Hannifin Corporation Div O-Ring Division (USA)
Related Parts
4820-00-083-4224INTERCHANGEABLE
SEAT,VALVE
19357
5962-00-106-4287INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
1820-0077
4820-00-189-5371INTERCHANGEABLE
VALVE,SAFETY RELIEF
1A3001-B-6P-E-C-XXX
5133-00-228-1400INTERCHANGEABLE
DRILL,TWIST
6110-00-832-5769INTERCHANGEABLE
DISTRIBUTION BOX
A2524-1
5330-00-892-2569INTERCHANGEABLE
PACKING,PREFORMED
2620-901PC28-2IN
5330-01-304-3482INTERCHANGEABLE
GASKET
19357
9150-01-439-1873INTERCHANGEABLE
LUBRICATING OIL,WEAPONS
25241
5210-01-511-5141INTERCHANGEABLE
GAGE,TURNING RADIUS
25-24-1

Frequently Asked Questions

What is NSN 5331-01-005-4053?

NSN 5331-01-005-4053 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 5331-01-005-4053?

NSN 5331-01-005-4053 has 10 cross-referenced part numbers: A1005796 (Federal Equipment and Manufacturing Co., Inc. Div Federal Equipment & Manufacturing Co., Inc.), 25241 (Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia), SAE-AMS7276 (Sae International Dba Sae International), AS3209-449 (Sae International Dba Sae International), MIL-R-83248/1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 5 more.

What NSN replaces 5331-01-005-4053?

There are 9 known substitutes for 5331-01-005-4053: 4820-00-083-4224, 5962-00-106-4287, 4820-00-189-5371 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AS3209-449?

Key specifications for AS3209-449: Material: RUBBER FLUOROCARBON CLASS FPM; Center Hole Diameter: 9.920 INCHES MINIMUM AND 10.030 INCHES MAXIMUM IN; Hardness Rating: 75.0 SHORE DUROMETER A NOMINAL; Elongation Percentage: 125 MAXIMUM. 6 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5331-01-005-4053 still in active supply?

NSN 5331-01-005-4053 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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