PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AS568-908O-Ring

Society of Automotive Engineers Inc · NSN 5331-00-404-6304 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-404-6304 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-404-6304. Primary manufacturer part number: AS568-908.
Features
  • O-Ring — FSC 5331
  • Cross-Sectional Height: 0.084 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
  • Center Hole Diameter: 0.639 INCHES MINIMUM AND 0.649 INCHES MAXIMUM IN
  • Temp Rating: -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
  • Outside Diameter: 0.818 INCHES NOMINAL IN
  • Elongation Percentage: 160 MAXIMUM
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
  • 13 verified cross-references
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Butadiene-Acrylonitrile Class Nbr construction
General Description

The O-Ring, cataloged under National Stock Number 5331-00-404-6304, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Society of Automotive Engineers Inc. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-00-404-6304
Primary Part NumberAS568-908
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerSociety of Automotive Engineers Inc
StatusACTIVE
Cross-Sectional Height0.084 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
Center Hole Diameter0.639 INCHES MINIMUM AND 0.649 INCHES MAXIMUM IN
Temp Rating-65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
Outside Diameter0.818 INCHES NOMINAL IN
Elongation Percentage160 MAXIMUM
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5331-00-020-0105 INTERCHANGEABLE
O-Ring
5331-00-021-3933372031050045992 INTERCHANGEABLE
O-Ring
Tate Andale, Llc
5331-00-072-83533-908S613-60 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corp Div O-Ring Division
5331-00-135-0976 INTERCHANGEABLE
O-Ring
5331-00-224-1014 INTERCHANGEABLE
O-Ring
5331-01-011-9707AS568-908 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-01-126-1231 INTERCHANGEABLE
O-Ring
5331-01-132-3422321233P1 INTERCHANGEABLE
O-Ring
Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.
5331-01-181-0821 INTERCHANGEABLE
O-Ring
5331-01-198-1731 INTERCHANGEABLE
O-Ring
Cross-Reference Index
Part NumberManufacturer
AS568-908 Society of Automotive Engineers Inc (USA)
11625-22 Zf Industrieantriebe Witten Gmbh (DEU)
803-6915568-20. 49 Zf Industrieantriebe Witten Gmbh (DEU)
1-501-3-908 Zf Industrieantriebe Witten Gmbh (DEU)
701152-908 Zf Industrieantriebe Witten Gmbh (DEU)
AS568-908 Sae International Dba Sae International (USA)
N290008B000 Zf Industrieantriebe Witten Gmbh (DEU)
31050 1-501-3-9 08 Zf Industrieantriebe Witten Gmbh (DEU)
D-3789 ITEM 24 Schroeder Industries Llc (USA)
ARP568-908MILP2 5732A Zf Industrieantriebe Witten Gmbh (DEU)
908 Zf Industrieantriebe Witten Gmbh (DEU)
ARP568-908MILP25732 Society of Automotive Engineers Inc (USA)
5331PL0776793 Jednolity Indeks Materialowy - Uniform Material Index (POL)
Related Parts
5331-00-020-0105INTERCHANGEABLE
O-RING
5331-00-021-3933INTERCHANGEABLE
O-RING
372031050045992
5331-00-072-8353INTERCHANGEABLE
O-RING
3-908S613-60
5331-00-135-0976INTERCHANGEABLE
O-RING
5331-00-224-1014INTERCHANGEABLE
O-RING
5331-01-011-9707INTERCHANGEABLE
O-RING
AS568-908
5331-01-126-1231INTERCHANGEABLE
O-RING
5331-01-132-3422INTERCHANGEABLE
O-RING
321233P1
5331-01-181-0821INTERCHANGEABLE
O-RING
5331-01-198-1731INTERCHANGEABLE
O-RING
5331-01-288-8357INTERCHANGEABLE
O-RING
5331-01-380-3676INTERCHANGEABLE
O-RING
DN60FF-3K4-00 PC19

Frequently Asked Questions

What is NSN 5331-00-404-6304?

NSN 5331-00-404-6304 is a O-Ring, manufactured by Society of Automotive Engineers Inc, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-00-404-6304?

NSN 5331-00-404-6304 has 13 cross-referenced part numbers: AS568-908 (Society of Automotive Engineers Inc), 11625-22 (Zf Industrieantriebe Witten Gmbh), 803-6915568-20. 49 (Zf Industrieantriebe Witten Gmbh), 1-501-3-908 (Zf Industrieantriebe Witten Gmbh), 701152-908 (Zf Industrieantriebe Witten Gmbh) and 8 more.

What NSN replaces 5331-00-404-6304?

There are 12 known substitutes for 5331-00-404-6304: 5331-00-020-0105, 5331-00-021-3933, 5331-00-072-8353 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AS568-908?

Key specifications for AS568-908: Cross-Sectional Height: 0.084 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN; Center Hole Diameter: 0.639 INCHES MINIMUM AND 0.649 INCHES MAXIMUM IN; Temp Rating: -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF; Outside Diameter: 0.818 INCHES NOMINAL IN. 6 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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