PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AS3581-908O-Ring

Sae International Dba Sae International · NSN 5331-00-167-5173 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-167-5173 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-167-5173. Primary manufacturer part number: AS3581-908.
Features
  • O-Ring — FSC 5331
  • Center Hole Diameter: 0.635 INCHES MINIMUM AND 0.653 INCHES MAXIMUM IN
  • Material: RUBBER FLUOROCARBON CLASS FPM
  • Criticality Code Justification: AGAV
  • Hardness Rating: 90.0 SHORE DUROMETER A NOMINAL
  • Outside Diameter: 0.818 INCHES NOMINAL IN
  • Cross-Sectional Height: 0.084 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
  • Temp Rating: -20.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
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 5331-00-167-5173, 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 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 50 commercial cross-references from 21 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
NSN5331-00-167-5173
Primary Part NumberAS3581-908
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerSae International Dba Sae International
StatusCANCELLED
Center Hole Diameter0.635 INCHES MINIMUM AND 0.653 INCHES MAXIMUM IN
MaterialRUBBER FLUOROCARBON CLASS FPM
Criticality Code JustificationAGAV
Hardness Rating90.0 SHORE DUROMETER A NOMINAL
Outside Diameter0.818 INCHES NOMINAL IN
Cross-Sectional Height0.084 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
Temp Rating-20.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5331-00-119-1921 INTERCHANGEABLE
O-Ring
5331-01-097-277858-908-30 INTERCHANGEABLE
O-Ring
Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok
5331-01-220-2390675-00908 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division
5330-01-267-3793 INTERCHANGEABLE
Packing,preformed
5331-01-417-9652 INTERCHANGEABLE
O-Ring
5331-01-473-1946 INTERCHANGEABLE
O-Ring
5331-01-497-4164AS3581-908 INTERCHANGEABLE
O-Ring
Rolls Royce Corp
5331-01-540-0866 INTERCHANGEABLE
O-Ring
5331-01-542-4571 INTERCHANGEABLE
O-Ring
5331-01-604-8353123-908-5-90 INTERCHANGEABLE
O-Ring
Rix Industries
Cross-Reference Index
Part NumberManufacturer
5331001675173 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
20261 FIND 29,3 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
123-908-5-90 Zf Industrieantriebe Witten Gmbh (DEU)
SF10505 REV D ITEM NO 008 Circor Pumps North America Llc (USA)
M83248/2-908 Society of Automotive Engineers Inc (USA)
M83248/2-908 Sae International Dba Sae International (USA)
ARP568-908-MIL- R-83248/2 Zf Industrieantriebe Witten Gmbh (DEU)
D42060 PIECE 31 Todd Combustion Inc (USA)
000908 Zf Industrieantriebe Witten Gmbh (DEU)
431384 ITEM 43 Donaldson Company, Inc. (USA)
21805-78062 FIND 22 Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
20244 FIND 25/2 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
54-67-2908 Zf Industrieantriebe Witten Gmbh (DEU)
MS83248/2-908 Zf Industrieantriebe Witten Gmbh (DEU)
5331PL1739530 Jednolity Indeks Materialowy - Uniform Material Index (POL)
PF54764 ITEM 14 Curtiss-Wright Flow Control Corporation Dba Enertech Div Curtiss-Wright Flow Control (USA)
30096-41450 ITEM 24 Moog Inc. Dba Ampac-Isp Corp (USA)
5-131-05-045-00 Itt Corporation Dba Itt Standard (USA)
21816-001 FIND 49 Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
M83248/2-908 Zf Industrieantriebe Witten Gmbh (DEU)
Related Parts
5331-00-119-1921INTERCHANGEABLE
O-RING
5331-01-097-2778INTERCHANGEABLE
O-RING
58-908-30
5331-01-220-2390INTERCHANGEABLE
O-RING
675-00908
5330-01-267-3793INTERCHANGEABLE
PACKING,PREFORMED
5331-01-417-9652INTERCHANGEABLE
O-RING
5331-01-473-1946INTERCHANGEABLE
O-RING
5331-01-497-4164INTERCHANGEABLE
O-RING
AS3581-908
5331-01-540-0866INTERCHANGEABLE
O-RING
5331-01-542-4571INTERCHANGEABLE
O-RING
5331-01-604-8353INTERCHANGEABLE
O-RING
123-908-5-90
5331-01-606-7326INTERCHANGEABLE
O-RING
M83248/2-908
5331-01-683-8017INTERCHANGEABLE
O-RING

Frequently Asked Questions

What is NSN 5331-00-167-5173?

NSN 5331-00-167-5173 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 5331-00-167-5173?

NSN 5331-00-167-5173 has 50 cross-referenced part numbers: 5331001675173 (E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales), 20261 FIND 29,3 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 123-908-5-90 (Zf Industrieantriebe Witten Gmbh), SF10505 REV D ITEM NO 008 (Circor Pumps North America Llc), M83248/2-908 (Society of Automotive Engineers Inc) and 45 more.

What NSN replaces 5331-00-167-5173?

There are 12 known substitutes for 5331-00-167-5173: 5331-00-119-1921, 5331-01-097-2778, 5331-01-220-2390 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AS3581-908?

Key specifications for AS3581-908: Center Hole Diameter: 0.635 INCHES MINIMUM AND 0.653 INCHES MAXIMUM IN; Material: RUBBER FLUOROCARBON CLASS FPM; Criticality Code Justification: AGAV; Hardness Rating: 90.0 SHORE DUROMETER A NOMINAL. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5331-00-167-5173 still in active supply?

NSN 5331-00-167-5173 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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