PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AS568-027O-Ring

Society of Automotive Engineers Inc · NSN 5331-00-064-4354 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-064-4354 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-064-4354. Primary manufacturer part number: AS568-027.
Features
  • O-Ring — FSC 5331
  • Center Hole Diameter: 1.290 INCHES MINIMUM AND 1.312 INCHES MAXIMUM IN
  • Hardness Rating: 65.0 SHORE DUROMETER A NOMINAL
  • Cross-Sectional Height: 0.071 INCHES NOMINAL IN
  • Outside Diameter: 1.441 INCHES NOMINAL IN
  • Elongation Percentage: 200 MAXIMUM
  • Material: RUBBER
  • 5 verified cross-references
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber construction
General Description

The O-Ring, cataloged under National Stock Number 5331-00-064-4354, 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 5 commercial cross-references from 3 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
NSN5331-00-064-4354
Primary Part NumberAS568-027
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerSociety of Automotive Engineers Inc
StatusACTIVE
Center Hole Diameter1.290 INCHES MINIMUM AND 1.312 INCHES MAXIMUM IN
Hardness Rating65.0 SHORE DUROMETER A NOMINAL
Cross-Sectional Height0.071 INCHES NOMINAL IN
Outside Diameter1.441 INCHES NOMINAL IN
Elongation Percentage200 MAXIMUM
MaterialRUBBER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5331-00-104-7959 INTERCHANGEABLE
O-Ring
5331-00-283-4609 INTERCHANGEABLE
O-Ring
5331-00-515-6331AS3578-230 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-00-531-2230AS3578-218 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-00-582-2856AS3578-908 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-00-582-7485317S9 INTERCHANGEABLE
O-Ring
Airmotive Carburetor
5331-00-589-8114AS3578-928 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-00-825-14281748025-46 INTERCHANGEABLE
O-Ring
Naval Sea Systems Command
5331-00-959-7270AS3578-047 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-01-148-8215 INTERCHANGEABLE
O-Ring
Cross-Reference Index
Part NumberManufacturer
AS568-027 Society of Automotive Engineers Inc (USA)
AMS7271 Society of Automotive Engineers Inc (USA)
AMS7271 Sae International Dba Sae International (USA)
29650SA Mccanna Inc Dba Marpac Inc (USA)
AS568-027 Sae International Dba Sae International (USA)
Related Parts
5331-00-104-7959INTERCHANGEABLE
O-RING
5331-00-283-4609INTERCHANGEABLE
O-RING
5331-00-515-6331INTERCHANGEABLE
O-RING
AS3578-230
5331-00-531-2230INTERCHANGEABLE
O-RING
AS3578-218
5331-00-582-2856INTERCHANGEABLE
O-RING
AS3578-908
5331-00-582-7485INTERCHANGEABLE
O-RING
317S9
5331-00-589-8114INTERCHANGEABLE
O-RING
AS3578-928
5331-00-825-1428INTERCHANGEABLE
O-RING
1748025-46
5331-00-959-7270INTERCHANGEABLE
O-RING
AS3578-047
5331-01-148-8215INTERCHANGEABLE
O-RING
5331-01-317-3870INTERCHANGEABLE
O-RING
AS3578-278
5331-01-646-1080INTERCHANGEABLE
O-RING
9464K271

Frequently Asked Questions

What is NSN 5331-00-064-4354?

NSN 5331-00-064-4354 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 5331-00-064-4354?

NSN 5331-00-064-4354 has 5 cross-referenced part numbers: AS568-027 (Society of Automotive Engineers Inc), AMS7271 (Society of Automotive Engineers Inc), AMS7271 (Sae International Dba Sae International), 29650SA (Mccanna Inc Dba Marpac Inc), AS568-027 (Sae International Dba Sae International).

What NSN replaces 5331-00-064-4354?

There are 12 known substitutes for 5331-00-064-4354: 5331-00-104-7959, 5331-00-283-4609, 5331-00-515-6331 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AS568-027?

Key specifications for AS568-027: Center Hole Diameter: 1.290 INCHES MINIMUM AND 1.312 INCHES MAXIMUM IN; Hardness Rating: 65.0 SHORE DUROMETER A NOMINAL; Cross-Sectional Height: 0.071 INCHES NOMINAL IN; Outside Diameter: 1.441 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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