PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AS3581-011O-Ring

Sae International Dba Sae International · NSN 5331-00-166-1081 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-166-1081 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-166-1081. Primary manufacturer part number: AS3581-011.
Features
  • O-Ring — FSC 5331
  • Outside Diameter: 0.430 INCHES MINIMUM AND 0.452 INCHES MAXIMUM IN
  • Hardness Rating: 85.0 SHORE DUROMETER A MINIMUM AND 95.0 SHORE DUROMETER A MAXIMUM
  • Material: RUBBER FLUOROCARBON CLASS FPM
  • Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
  • Temp Rating: -15.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
  • Center Hole Diameter: 0.296 INCHES MINIMUM AND 0.306 INCHES MAXIMUM IN
  • 43 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 5331-00-166-1081, 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 43 commercial cross-references from 20 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5331-00-166-1081
Primary Part NumberAS3581-011
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerSae International Dba Sae International
StatusCANCELLED
Outside Diameter0.430 INCHES MINIMUM AND 0.452 INCHES MAXIMUM IN
Hardness Rating85.0 SHORE DUROMETER A MINIMUM AND 95.0 SHORE DUROMETER A MAXIMUM
MaterialRUBBER FLUOROCARBON CLASS FPM
Cross-Sectional Height0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
Temp Rating-15.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
Center Hole Diameter0.296 INCHES MINIMUM AND 0.306 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
6240-00-241-2288204-6266 INTERCHANGEABLE
Lamp,incandescent
Psi-Peripheral Support
5331-00-264-9720 INTERCHANGEABLE
O-Ring
5330-00-468-7006AS43013-011 INTERCHANGEABLE
Packing,preformed
Allied Defense Industries, Llc Dba Ams Distribution
5330-00-580-0441 INTERCHANGEABLE
Packing,preformed
5930-00-644-3039 INTERCHANGEABLE
Switch,toggle
5331-00-882-523137B201714P104 INTERCHANGEABLE
O-Ring
General Electric Company Dba Ge Aerospace
6130-01-041-7523106439 INTERCHANGEABLE
Power Supply
Spellman High-Voltage Electronics Corporation
5330-01-189-7516 INTERCHANGEABLE
Packing,preformed
5330-01-216-8802 INTERCHANGEABLE
Packing,preformed
5340-01-229-839710243-A-0632-10A INTERCHANGEABLE
Handle,bow
Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware
Cross-Reference Index
Part NumberManufacturer
4420596-0110 Zf Industrieantriebe Witten Gmbh (DEU)
10182-2 ITEM9 Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (USA)
J222P011 General Electric Company (USA)
AS568-011MIL-R-83248CL2 Sae International Dba Sae International (USA)
AMS7259 Society of Automotive Engineers Inc (USA)
AS568-011MIL-R-83248CL2 Society of Automotive Engineers Inc (USA)
5331PL0653306 Jednolity Indeks Materialowy - Uniform Material Index (POL)
002-99874 Kline Manufacturing Co Inc (USA)
91300-011 Zf Industrieantriebe Witten Gmbh (DEU)
58-011-45 Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (USA)
37B201714P104 General Electric Company (USA)
AMS7259 Sae International Dba Sae International (USA)
5076 ITEM NO 4 Howell Laboratories Inc Dba Howell Laboratories Inc (USA)
M3170-2109 PC NO. 12 Derbyshire Marine Products, Llc Dba Derbyshire Marine Products Llc (USA)
250023-011 Zf Industrieantriebe Witten Gmbh (DEU)
AS3581-011 Society of Automotive Engineers Inc (USA)
ARP568-111MILR2 5897CL2 Zf Industrieantriebe Witten Gmbh (DEU)
MS3248/2-011 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
2-011 V709-90 Parker Hannifin Gmbh O-Ring Division (DEU)
106439 Lockheed Martin Sippican, Inc. Div Lockheed Martin Marion (USA)
Related Parts
6240-00-241-2288INTERCHANGEABLE
LAMP,INCANDESCENT
204-6266
5331-00-264-9720INTERCHANGEABLE
O-RING
5330-00-468-7006INTERCHANGEABLE
PACKING,PREFORMED
AS43013-011
5330-00-580-0441INTERCHANGEABLE
PACKING,PREFORMED
5930-00-644-3039INTERCHANGEABLE
SWITCH,TOGGLE
5331-00-882-5231INTERCHANGEABLE
O-RING
37B201714P104
6130-01-041-7523INTERCHANGEABLE
POWER SUPPLY
106439
5330-01-189-7516INTERCHANGEABLE
PACKING,PREFORMED
5330-01-216-8802INTERCHANGEABLE
PACKING,PREFORMED
5340-01-229-8397INTERCHANGEABLE
HANDLE,BOW
10243-A-0632-10A
5935-01-391-7592INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
CA3102E28A16SB05
5331-01-432-5835INTERCHANGEABLE
O-RING

Frequently Asked Questions

What is NSN 5331-00-166-1081?

NSN 5331-00-166-1081 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 5331-00-166-1081?

NSN 5331-00-166-1081 has 43 cross-referenced part numbers: 4420596-0110 (Zf Industrieantriebe Witten Gmbh), 10182-2 ITEM9 (Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok), J222P011 (General Electric Company), AS568-011MIL-R-83248CL2 (Sae International Dba Sae International), AMS7259 (Society of Automotive Engineers Inc) and 38 more.

What NSN replaces 5331-00-166-1081?

There are 12 known substitutes for 5331-00-166-1081: 6240-00-241-2288, 5331-00-264-9720, 5330-00-468-7006 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AS3581-011?

Key specifications for AS3581-011: Outside Diameter: 0.430 INCHES MINIMUM AND 0.452 INCHES MAXIMUM IN; Hardness Rating: 85.0 SHORE DUROMETER A MINIMUM AND 95.0 SHORE DUROMETER A MAXIMUM; Material: RUBBER FLUOROCARBON CLASS FPM; Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN. 6 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5331-00-166-1081 still in active supply?

NSN 5331-00-166-1081 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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