PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AS568-008 ASTM D2000O-Ring

Sae International Dba Sae International · NSN 5331-01-237-6868 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-237-6868 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-237-6868. Primary manufacturer part number: AS568-008 ASTM D2000.
Features
  • O-Ring — FSC 5331
  • Material: RUBBER SILICONE CLASS Q
  • Center Hole Diameter: 0.171 INCHES MINIMUM AND 0.181 INCHES MAXIMUM IN
  • Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
  • Outside Diameter: 0.316 INCHES NOMINAL IN
  • 10 verified cross-references
  • Primary manufacturer: Sae International Dba Sae International
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Silicone Class Q construction
General Description

The O-Ring, cataloged under National Stock Number 5331-01-237-6868, 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 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-01-237-6868
Primary Part NumberAS568-008 ASTM D2000
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerSae International Dba Sae International
StatusACTIVE
MaterialRUBBER SILICONE CLASS Q
Center Hole Diameter0.171 INCHES MINIMUM AND 0.181 INCHES MAXIMUM IN
Cross-Sectional Height0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
Outside Diameter0.316 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5331-00-113-3804 INTERCHANGEABLE
O-Ring
5331-00-417-09862-008C147-7 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corp Div O-Ring Division
5331-00-482-1596AS568-008 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-01-026-2909 INTERCHANGEABLE
O-Ring
1305-01-352-56491397AS860-1 INTERCHANGEABLE
Cartridge,25 Millimeter
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
1305-01-356-9083 INTERCHANGEABLE
Cartridge,25 Millimeter
5331-01-731-7292KA158-70 2-008 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corp Div O-Ring Division
Cross-Reference Index
Part NumberManufacturer
AS568-008 ASTM D2000 PRIMARY Sae International Dba Sae International (USA)
AS568-008 Society of Automotive Engineers Inc (USA)
AS568-008 MIL-R-3065 TY TA Aeronautical Standards Group Dept of Navy and Air Force (USA)
AS568-8 Zf Industrieantriebe Witten Gmbh (DEU)
H599070008 Lockheed Martin Librascope Corporation (USA)
ASTM D2000 Sae International Dba Sae International (USA)
AS568 Society of Automotive Engineers Inc (USA)
SAE-AS568-008 Sae International Dba Sae International (USA)
ASC1581466 Asc Pty Ltd (AUS)
AS568-008 Zf Industrieantriebe Witten Gmbh (DEU)
Related Parts
5331-00-113-3804INTERCHANGEABLE
O-RING
5331-00-417-0986INTERCHANGEABLE
O-RING
2-008C147-7
5331-00-482-1596INTERCHANGEABLE
O-RING
AS568-008
5331-01-026-2909INTERCHANGEABLE
O-RING
1305-01-352-5649INTERCHANGEABLE
CARTRIDGE,25 MILLIMETER
1397AS860-1
1305-01-356-9083INTERCHANGEABLE
CARTRIDGE,25 MILLIMETER
5331-01-731-7292INTERCHANGEABLE
O-RING
KA158-70 2-008

Frequently Asked Questions

What is NSN 5331-01-237-6868?

NSN 5331-01-237-6868 is a O-Ring, manufactured by Sae International Dba Sae International, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-237-6868?

NSN 5331-01-237-6868 has 10 cross-referenced part numbers: AS568-008 ASTM D2000 (Sae International Dba Sae International), AS568-008 (Society of Automotive Engineers Inc), AS568-008 MIL-R-3065 TY TA (Aeronautical Standards Group Dept of Navy and Air Force), AS568-8 (Zf Industrieantriebe Witten Gmbh), H599070008 (Lockheed Martin Librascope Corporation) and 5 more.

What NSN replaces 5331-01-237-6868?

There are 7 known substitutes for 5331-01-237-6868: 5331-00-113-3804, 5331-00-417-0986, 5331-00-482-1596 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AS568-008 ASTM D2000?

Key specifications for AS568-008 ASTM D2000: Material: RUBBER SILICONE CLASS Q; Center Hole Diameter: 0.171 INCHES MINIMUM AND 0.181 INCHES MAXIMUM IN; Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN; Outside Diameter: 0.316 INCHES NOMINAL IN. 4 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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