PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AS568B-238O-Ring

Sae International Dba Sae International · NSN 5331-00-894-1968 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-894-1968 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-894-1968. Primary manufacturer part number: AS568B-238.
Features
  • O-Ring — FSC 5331
  • Center Hole Diameter: 3.469 INCHES MINIMUM AND 3.499 INCHES MAXIMUM IN
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OR RUBBER POLYESTER URETHANE CLASS AU OR RUBBER POLYETHER URETHANE CLASS EU
  • Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
  • Elongation Percentage: 260 MAXIMUM
  • Hardness Rating: 70.0 SHORE DUROMETER A NOMINAL
  • Outside Diameter: 3.730 INCHES MINIMUM AND 3.794 INCHES MAXIMUM IN
  • Temp Rating: -55.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Butadiene-Acrylonitrile Class Nbr or Rubber Polyester Urethane Class Au or Rubber Polyether Urethane Class Eu construction
General Description

The O-Ring, cataloged under National Stock Number 5331-00-894-1968, 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 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 18 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5331-00-894-1968
Primary Part NumberAS568B-238
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerSae International Dba Sae International
StatusCANCELLED
Center Hole Diameter3.469 INCHES MINIMUM AND 3.499 INCHES MAXIMUM IN
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OR RUBBER POLYESTER URETHANE CLASS AU OR RUBBER POLYETHER URETHANE CLASS EU
Cross-Sectional Height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
Elongation Percentage260 MAXIMUM
Hardness Rating70.0 SHORE DUROMETER A NOMINAL
Outside Diameter3.730 INCHES MINIMUM AND 3.794 INCHES MAXIMUM IN
Temp Rating-55.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
5975-00-152-113058094 INTERCHANGEABLE
Coupling,electrical Conduit
Thales Usa, Inc. Div Air Mobility Solutions ("ams")
5331-00-171-641135016C INTERCHANGEABLE
O-Ring
Falls Filtration Technologies, Inc.
5331-00-172-7223N0674-2-238 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corp Div O-Ring Division
5331-00-726-07970-1932 INTERCHANGEABLE
O-Ring
Minor Rubber Co Inc
5331-01-042-2825 INTERCHANGEABLE
O-Ring
5331-01-352-77427-755-238003 INTERCHANGEABLE
O-Ring
Grove U.s. Llc Dba Grove Us Llc
5331-01-418-9135 INTERCHANGEABLE
O-Ring
5120-01-431-7098 INTERCHANGEABLE
Key,socket Head Screw
5998-01-460-5013 INTERCHANGEABLE
Circuit Card Assembly
5331-01-496-3855AS568-238 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
AS568-238 Society of Automotive Engineers Inc (USA)
58094 Zf Industrieantriebe Witten Gmbh (DEU)
D2000-05 2BG715E034EF11EF21F1 American Society for Testing and Materials Dba Astm International (USA)
100066-10 Cole Electric Co (USA)
AS568B-238 Society of Automotive Engineers Inc (USA)
D2000 2BG715E34E51E61F17 American Society for Testing and Materials Dba Astm International (USA)
AS568B-238 PRIMARY Sae International Dba Sae International (USA)
5331PL1279880 Jednolity Indeks Materialowy - Uniform Material Index (POL)
2-238 Zf Industrieantriebe Witten Gmbh (DEU)
0561C0031-19 Zf Industrieantriebe Witten Gmbh (DEU)
1802744 Zf Industrieantriebe Witten Gmbh (DEU)
2-238N103-70 Parker-Hannifin Corp Div O-Ring Division (USA)
3946-PC Zf Industrieantriebe Witten Gmbh (DEU)
3946PC Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division (USA)
058094 Zf Industrieantriebe Witten Gmbh (DEU)
2-238N103-7 Parker-Hannifin Corp Div O-Ring Division (USA)
AS568-238 Sae International Dba Sae International (USA)
2-238 N103-70 Parker Hannifin Gmbh O-Ring Division (DEU)
Related Parts
5975-00-152-1130INTERCHANGEABLE
COUPLING,ELECTRICAL CONDUIT
58094
5331-00-171-6411INTERCHANGEABLE
O-RING
35016C
5331-00-172-7223INTERCHANGEABLE
O-RING
N0674-2-238
5331-00-726-0797INTERCHANGEABLE
O-RING
0-1932
5331-01-042-2825INTERCHANGEABLE
O-RING
5331-01-352-7742INTERCHANGEABLE
O-RING
7-755-238003
5331-01-418-9135INTERCHANGEABLE
O-RING
5120-01-431-7098INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
5998-01-460-5013INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
5331-01-496-3855INTERCHANGEABLE
O-RING
AS568-238
1730-01-601-4676INTERCHANGEABLE
STRUT,STABILIZER

Frequently Asked Questions

What is NSN 5331-00-894-1968?

NSN 5331-00-894-1968 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 5331-00-894-1968?

NSN 5331-00-894-1968 has 18 cross-referenced part numbers: AS568-238 (Society of Automotive Engineers Inc), 58094 (Zf Industrieantriebe Witten Gmbh), D2000-05 2BG715E034EF11EF21F1 (American Society for Testing and Materials Dba Astm International), 100066-10 (Cole Electric Co), AS568B-238 (Society of Automotive Engineers Inc) and 13 more.

What NSN replaces 5331-00-894-1968?

There are 11 known substitutes for 5331-00-894-1968: 5975-00-152-1130, 5331-00-171-6411, 5331-00-172-7223 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AS568B-238?

Key specifications for AS568B-238: Center Hole Diameter: 3.469 INCHES MINIMUM AND 3.499 INCHES MAXIMUM IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OR RUBBER POLYESTER URETHANE CLASS AU OR RUBBER POLYETHER URETHANE CLASS EU; Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN; Elongation Percentage: 260 MAXIMUM. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5331-00-894-1968 still in active supply?

NSN 5331-00-894-1968 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.
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