PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AS3581-151O-Ring

Sae International Dba Sae International · NSN 5331-00-556-7506 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-556-7506 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-556-7506. Primary manufacturer part number: AS3581-151.
Features
  • O-Ring — FSC 5331
  • Cross-Sectional Height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
  • Temp Rating: -20.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
  • Material: RUBBER FLUOROCARBON CLASS FPM
  • Center Hole Diameter: 2.963 INCHES MINIMUM AND 3.011 INCHES MAXIMUM IN
  • Outside Diameter: 3.193 INCHES NOMINAL IN
  • Hardness Rating: 90.0 SHORE DUROMETER A NOMINAL
  • 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 5331-00-556-7506, 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 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5331-00-556-7506
Primary Part NumberAS3581-151
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerSae International Dba Sae International
StatusCANCELLED
Cross-Sectional Height0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
Temp Rating-20.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
MaterialRUBBER FLUOROCARBON CLASS FPM
Center Hole Diameter2.963 INCHES MINIMUM AND 3.011 INCHES MAXIMUM IN
Outside Diameter3.193 INCHES NOMINAL IN
Hardness Rating90.0 SHORE DUROMETER A NOMINAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
5331-00-556-7513AS3581-024 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
AS3581-151 Society of Automotive Engineers Inc (USA)
AMS7259 Sae International Dba Sae International (USA)
V92151 Parker-Hannifin Corporation Dba Hydraulic Filter Division Div Hydraulic & Fuel Filter Division (USA)
AS3581-024 Society of Automotive Engineers Inc (USA)
MILR83248-2 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
AMS7259 Society of Automotive Engineers Inc (USA)
SAE-AS3581 Sae International Dba Sae International (USA)
AS3581-151 PRIMARY Sae International Dba Sae International (USA)
AS3851-151 Society of Automotive Engineers Inc (USA)
NAS1594-151 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
M83248/2-151 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5331-00-556-7513INTERCHANGEABLE
O-RING
AS3581-024

Frequently Asked Questions

What is NSN 5331-00-556-7506?

NSN 5331-00-556-7506 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 5331-00-556-7506?

NSN 5331-00-556-7506 has 11 cross-referenced part numbers: AS3581-151 (Society of Automotive Engineers Inc), AMS7259 (Sae International Dba Sae International), V92151 (Parker-Hannifin Corporation Dba Hydraulic Filter Division Div Hydraulic & Fuel Filter Division), AS3581-024 (Society of Automotive Engineers Inc), MILR83248-2 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 6 more.

What NSN replaces 5331-00-556-7506?

There is 1 known substitute for 5331-00-556-7506: 5331-00-556-7513. Verify interchangeability with system specifications before substitution.

What are the specifications of AS3581-151?

Key specifications for AS3581-151: Cross-Sectional Height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN; Temp Rating: -20.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF; Material: RUBBER FLUOROCARBON CLASS FPM; Center Hole Diameter: 2.963 INCHES MINIMUM AND 3.011 INCHES MAXIMUM IN. 6 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5331-00-556-7506 still in active supply?

NSN 5331-00-556-7506 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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