PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AS568-012O-Ring

Society of Automotive Engineers Inc · NSN 5331-01-277-0369 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-277-0369 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-277-0369. Primary manufacturer part number: AS568-012.
Features
  • O-Ring — FSC 5331
  • Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
  • Center Hole Diameter: 0.359 INCHES MINIMUM AND 0.369 INCHES MAXIMUM IN
  • Material: RUBBER ETHYLENE-PROPYLENE CLASS EPM
  • 8 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 5331-01-277-0369, 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 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 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
NSN5331-01-277-0369
Primary Part NumberAS568-012
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerSociety of Automotive Engineers Inc
StatusACTIVE
Cross-Sectional Height0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
Center Hole Diameter0.359 INCHES MINIMUM AND 0.369 INCHES MAXIMUM IN
MaterialRUBBER ETHYLENE-PROPYLENE CLASS EPM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5331-00-059-8690 INTERCHANGEABLE
O-Ring
5331-00-171-7786 INTERCHANGEABLE
O-Ring
5331-00-579-649500008-447 INTERCHANGEABLE
O-Ring
Raytheon Company Dba Raytheon Co
5331-00-912-2643 INTERCHANGEABLE
O-Ring
5331-01-004-6990AS568-012-A-A-59588-2A70 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-01-022-5624 INTERCHANGEABLE
O-Ring
5331-01-028-08162-012N103-70 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corp Div O-Ring Division
5331-01-029-8619 INTERCHANGEABLE
O-Ring
5331-01-058-4004 INTERCHANGEABLE
O-Ring
5331-01-115-8226 INTERCHANGEABLE
O-Ring
Cross-Reference Index
Part NumberManufacturer
AS568-012 Society of Automotive Engineers Inc (USA)
ARP568-012 MIL- G-22050 GR2 Zf Industrieantriebe Witten Gmbh (DEU)
75580 ITEM 36 Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator (USA)
MIL-DTL-22050 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M22050-2-226 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-G-22050 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
AS568-012MILG22050GR2 Society of Automotive Engineers Inc (USA)
AS568-012 Sae International Dba Sae International (USA)
Related Parts
5331-00-059-8690INTERCHANGEABLE
O-RING
5331-00-171-7786INTERCHANGEABLE
O-RING
5331-00-579-6495INTERCHANGEABLE
O-RING
00008-447
5331-00-912-2643INTERCHANGEABLE
O-RING
5331-01-004-6990INTERCHANGEABLE
O-RING
AS568-012-A-A-59588-2A70
5331-01-022-5624INTERCHANGEABLE
O-RING
5331-01-028-0816INTERCHANGEABLE
O-RING
2-012N103-70
5331-01-029-8619INTERCHANGEABLE
O-RING
5331-01-058-4004INTERCHANGEABLE
O-RING
5331-01-115-8226INTERCHANGEABLE
O-RING
5331-01-170-9112INTERCHANGEABLE
O-RING
S8057A7
5331-01-645-0709INTERCHANGEABLE
O-RING
AS568-012

Frequently Asked Questions

What is NSN 5331-01-277-0369?

NSN 5331-01-277-0369 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 5331-01-277-0369?

NSN 5331-01-277-0369 has 8 cross-referenced part numbers: AS568-012 (Society of Automotive Engineers Inc), ARP568-012 MIL- G-22050 GR2 (Zf Industrieantriebe Witten Gmbh), 75580 ITEM 36 (Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator), MIL-DTL-22050 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M22050-2-226 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 3 more.

What NSN replaces 5331-01-277-0369?

There are 12 known substitutes for 5331-01-277-0369: 5331-00-059-8690, 5331-00-171-7786, 5331-00-579-6495 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AS568-012?

Key specifications for AS568-012: Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN; Center Hole Diameter: 0.359 INCHES MINIMUM AND 0.369 INCHES MAXIMUM IN; Material: RUBBER ETHYLENE-PROPYLENE CLASS EPM. 3 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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