PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AS3581-335O-Ring

Sae International Dba Sae International · NSN 5331-01-222-0838 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-222-0838 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-222-0838. Primary manufacturer part number: AS3581-335.
Features
  • O-Ring — FSC 5331
  • Hardness Rating: 90.0 SHORE DUROMETER A NOMINAL
  • Cross-Sectional Height: 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
  • Outside Diameter: 3.145 INCHES NOMINAL IN
  • Temp Rating: -20.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
  • Material: RUBBER FLUOROCARBON CLASS FPM
  • Center Hole Diameter: 2.705 INCHES MINIMUM AND 2.745 INCHES MAXIMUM IN
  • 11 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 5331-01-222-0838, 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 11 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5331-01-222-0838
Primary Part NumberAS3581-335
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerSae International Dba Sae International
StatusCANCELLED
Hardness Rating90.0 SHORE DUROMETER A NOMINAL
Cross-Sectional Height0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
Outside Diameter3.145 INCHES NOMINAL IN
Temp Rating-20.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
MaterialRUBBER FLUOROCARBON CLASS FPM
Center Hole Diameter2.705 INCHES MINIMUM AND 2.745 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
5331-00-425-06492313-0078 INTERCHANGEABLE
O-Ring
Circor Aerospace, Inc. Dba Circor Aerospace Inc
5331-01-037-3444 INTERCHANGEABLE
O-Ring
5331-01-104-5943 INTERCHANGEABLE
O-Ring
5331-01-167-1586 INTERCHANGEABLE
O-Ring
5331-01-175-9164 INTERCHANGEABLE
O-Ring
5331-01-713-6663AS3581-227 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
AS3581 Society of Automotive Engineers Inc (USA)
M83248/2-335 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
AMS7259 Sae International Dba Sae International (USA)
SAE-AS3581 Sae International Dba Sae International (USA)
MIL-R-83248/2 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
5331PL1274724 Jednolity Indeks Materialowy - Uniform Material Index (POL)
AMS7259 Society of Automotive Engineers Inc (USA)
3P653 Zf Industrieantriebe Witten Gmbh (DEU)
2-335V894-90 Parker-Hannifin Corp Div O-Ring Division (USA)
AS3581-335 PRIMARY Sae International Dba Sae International (USA)
AS3581 Sae International Dba Sae International (USA)
Related Parts
5331-00-425-0649INTERCHANGEABLE
O-RING
2313-0078
5331-01-037-3444INTERCHANGEABLE
O-RING
5331-01-104-5943INTERCHANGEABLE
O-RING
5331-01-167-1586INTERCHANGEABLE
O-RING
5331-01-175-9164INTERCHANGEABLE
O-RING
5331-01-713-6663INTERCHANGEABLE
O-RING
AS3581-227

Frequently Asked Questions

What is NSN 5331-01-222-0838?

NSN 5331-01-222-0838 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 5331-01-222-0838?

NSN 5331-01-222-0838 has 11 cross-referenced part numbers: AS3581 (Society of Automotive Engineers Inc), M83248/2-335 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), AMS7259 (Sae International Dba Sae International), SAE-AS3581 (Sae International Dba Sae International), MIL-R-83248/2 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 6 more.

What NSN replaces 5331-01-222-0838?

There are 6 known substitutes for 5331-01-222-0838: 5331-00-425-0649, 5331-01-037-3444, 5331-01-104-5943 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AS3581-335?

Key specifications for AS3581-335: Hardness Rating: 90.0 SHORE DUROMETER A NOMINAL; Cross-Sectional Height: 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN; Outside Diameter: 3.145 INCHES NOMINAL IN; End Item Identification: W/S: TARAWA CLASS LHA; WASP CLASS LHD; CVN 68 CLASS REACTOR FILL AUXILIARY SYSTEM; NIMITZ CLASS CVN; LOW PRESSURE (LP) DRY AIR-DEHYDRATORS; STURGEON CLASS SSN (637); AIR COMPRESSORS, HIGH PRESSURE; L.P. COMPRESSORS; OLIVER PERRY CLASS FFG. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5331-01-222-0838 still in active supply?

NSN 5331-01-222-0838 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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