PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AS568-161O-Ring

Society of Automotive Engineers Inc · NSN 5331-01-463-3892 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-463-3892 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-463-3892. Primary manufacturer part number: AS568-161.
Features
  • O-Ring — FSC 5331
  • Material: RUBBER ETHYLENE-PROPYLENE CLASS EPM
  • Material Document and Classification: MIL-G-22050, GRADE 1 MIL SPEC SINGLE MATERIAL RESPONSE
  • Hardness Rating: 60.0 SHORE DUROMETER A MINIMUM AND 70.0 SHORE DUROMETER A MAXIMUM
  • Center Hole Diameter: 5.452 INCHES MINIMUM AND 5.522 INCHES MAXIMUM IN
  • Cross-Sectional Height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
  • 6 verified cross-references
  • Primary manufacturer: Society of Automotive Engineers Inc
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Ethylene-Propylene Class Epm construction
General Description

The O-Ring, cataloged under National Stock Number 5331-01-463-3892, 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 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-01-463-3892
Primary Part NumberAS568-161
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerSociety of Automotive Engineers Inc
StatusACTIVE
MaterialRUBBER ETHYLENE-PROPYLENE CLASS EPM
Material Document and ClassificationMIL-G-22050, GRADE 1 MIL SPEC SINGLE MATERIAL RESPONSE
Hardness Rating60.0 SHORE DUROMETER A MINIMUM AND 70.0 SHORE DUROMETER A MAXIMUM
Center Hole Diameter5.452 INCHES MINIMUM AND 5.522 INCHES MAXIMUM IN
Cross-Sectional Height0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5331-00-021-3637AS568-161 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-00-561-02732-161N674-70 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corp Div O-Ring Division
Cross-Reference Index
Part NumberManufacturer
AS568-161 Society of Automotive Engineers Inc (USA)
MIL-G-22050GRADE1SIZEAS568-161 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
AS568-161 Sae International Dba Sae International (USA)
MIL-G-22050 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-DTL-22050 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M22050-1-161 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5331-00-021-3637INTERCHANGEABLE
O-RING
AS568-161
5331-00-561-0273INTERCHANGEABLE
O-RING
2-161N674-70

Frequently Asked Questions

What is NSN 5331-01-463-3892?

NSN 5331-01-463-3892 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 5331-01-463-3892?

NSN 5331-01-463-3892 has 6 cross-referenced part numbers: AS568-161 (Society of Automotive Engineers Inc), MIL-G-22050GRADE1SIZEAS568-161 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), AS568-161 (Sae International Dba Sae International), MIL-G-22050 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-DTL-22050 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 1 more.

What NSN replaces 5331-01-463-3892?

There are 2 known substitutes for 5331-01-463-3892: 5331-00-021-3637, 5331-00-561-0273. Verify interchangeability with system specifications before substitution.

What are the specifications of AS568-161?

Key specifications for AS568-161: Material: RUBBER ETHYLENE-PROPYLENE CLASS EPM; Material Document and Classification: MIL-G-22050, GRADE 1 MIL SPEC SINGLE MATERIAL RESPONSE; Hardness Rating: 60.0 SHORE DUROMETER A MINIMUM AND 70.0 SHORE DUROMETER A MAXIMUM; Center Hole Diameter: 5.452 INCHES MINIMUM AND 5.522 INCHES MAXIMUM IN. 5 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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