PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AS568-438O-Ring

Sae International Dba Sae International · NSN 5331-00-420-9624 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-420-9624 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-420-9624. Primary manufacturer part number: AS568-438.
Features
  • O-Ring — FSC 5331
  • Outside Diameter: 6.775 INCHES NOMINAL IN
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
  • Cross-Sectional Height: 0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
  • Center Hole Diameter: 6.185 INCHES MINIMUM AND 6.265 INCHES MAXIMUM IN
  • 11 verified cross-references
  • Primary manufacturer: Sae International Dba Sae International
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 5331-00-420-9624, 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 11 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5331-00-420-9624
Primary Part NumberAS568-438
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerSae International Dba Sae International
StatusCANCELLED
Outside Diameter6.775 INCHES NOMINAL IN
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
Cross-Sectional Height0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
Center Hole Diameter6.185 INCHES MINIMUM AND 6.265 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
3110-00-100-3563105503H INTERCHANGEABLE
Cone and Rollers,tapered Roller
Dressta North America Ltd
5360-00-467-8005137075 INTERCHANGEABLE
Spring Guide Tube
Triumph Controls - Uk Ltd Div Triumph Controls Uk Ltd
6240-00-763-34501893 INTERCHANGEABLE
Lamp,incandescent
Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
6260-01-074-4229 INTERCHANGEABLE
Light,chemiluminescent
1660-01-513-549210003367 INTERCHANGEABLE
Cylinder Assembly,oxygen,aircraf
Avox Systems Inc Dba Avox Systems Inc
5310-01-533-24860065266.70.60 INTERCHANGEABLE
Nut,plain,hexagon
Huntington Ingalls Inc Div Newport News Shipbuilding
Cross-Reference Index
Part NumberManufacturer
0065266.70.60 Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine (USA)
AS568-438 Society of Automotive Engineers Inc (USA)
AS568-438 PRIMARY Sae International Dba Sae International (USA)
2-438N219-7 Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters (USA)
ASTM-D2000 American Society for Testing and Materials Dba Astm International (USA)
N0674 2-438 Parker-Hannifin Corp Div O-Ring Division (USA)
10003367 Nimikkeistokeskus Ncb Finland (FIN)
2-438 N674-7 Parker-Hannifin Corp Div O-Ring Division (USA)
137075 Cummins Inc. (USA)
2-438N299-5 Zf Industrieantriebe Witten Gmbh (DEU)
927017 Zf Industrieantriebe Witten Gmbh (DEU)
Related Parts
3110-00-100-3563INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
105503H
5360-00-467-8005INTERCHANGEABLE
SPRING GUIDE TUBE
137075
6240-00-763-3450INTERCHANGEABLE
LAMP,INCANDESCENT
1893
6260-01-074-4229INTERCHANGEABLE
LIGHT,CHEMILUMINESCENT
1660-01-513-5492INTERCHANGEABLE
CYLINDER ASSEMBLY,OXYGEN,AIRCRAF
10003367
5310-01-533-2486INTERCHANGEABLE
NUT,PLAIN,HEXAGON
0065266.70.60

Frequently Asked Questions

What is NSN 5331-00-420-9624?

NSN 5331-00-420-9624 is a O-Ring, manufactured by Sae International Dba Sae International, classified under FSC 5331 (O-Ring). Status: cancelled.

What are the part numbers for NSN 5331-00-420-9624?

NSN 5331-00-420-9624 has 11 cross-referenced part numbers: 0065266.70.60 (Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine), AS568-438 (Society of Automotive Engineers Inc), AS568-438 (Sae International Dba Sae International), 2-438N219-7 (Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters), ASTM-D2000 (American Society for Testing and Materials Dba Astm International) and 6 more.

What NSN replaces 5331-00-420-9624?

There are 6 known substitutes for 5331-00-420-9624: 3110-00-100-3563, 5360-00-467-8005, 6240-00-763-3450 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AS568-438?

Key specifications for AS568-438: Outside Diameter: 6.775 INCHES NOMINAL IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR; Cross-Sectional Height: 0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN; Center Hole Diameter: 6.185 INCHES MINIMUM AND 6.265 INCHES MAXIMUM IN. 4 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5331-00-420-9624 still in active supply?

NSN 5331-00-420-9624 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com