PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SAE AS568-343 SAEMS3205O-Ring

Sae International Dba Sae International · NSN 5331-01-079-8154 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-079-8154 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-079-8154. Primary manufacturer part number: SAE AS568-343 SAEMS3205.
Features
  • O-Ring — FSC 5331
  • Cross-Sectional Height: 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
  • Elongation Percentage: 582 MAXIMUM
  • Temp Rating: -55.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
  • Outside Diameter: 4.107 INCHES MINIMUM AND 4.183 INCHES MAXIMUM IN
  • Hardness Rating: 50.0 SHORE DUROMETER A NOMINAL
  • Center Hole Diameter: 3.697 INCHES MINIMUM AND 3.753 INCHES MAXIMUM IN
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 5331-01-079-8154, 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 8 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-01-079-8154
Primary Part NumberSAE AS568-343 SAEMS3205
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerSae International Dba Sae International
StatusACTIVE
Cross-Sectional Height0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
Elongation Percentage582 MAXIMUM
Temp Rating-55.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
Outside Diameter4.107 INCHES MINIMUM AND 4.183 INCHES MAXIMUM IN
Hardness Rating50.0 SHORE DUROMETER A NOMINAL
Center Hole Diameter3.697 INCHES MINIMUM AND 3.753 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5331-00-159-3476 INTERCHANGEABLE
O-Ring
5331-00-413-5191SAE-AS568 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-00-612-3643 INTERCHANGEABLE
O-Ring
5331-00-716-6416SAE-AS568-006 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-01-089-6061AS568-008 SAE AMS3205 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-01-109-7498AS568-912/MIL-PRF-1149 TY1 CL5 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-01-135-7289AS568-461 SAEAMS-R-7362TYPE1 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-01-206-6122E0540 2-217 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corp Div O-Ring Division
5331-01-369-3571AS568-165 SAE AMS-P-5510 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-01-697-5021AMS-R-83285GR80/AS568-235 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
AS568-343 Society of Automotive Engineers Inc (USA)
SAE AS568-343 SAEMS3205 PRIMARY Sae International Dba Sae International (USA)
AS568-2-342 Sae International Dba Sae International (USA)
AS568-343 Sae International Dba Sae International (USA)
2-343N299-50 Parker-Hannifin Corp Div O-Ring Division (USA)
AS568-2-342 Society of Automotive Engineers Inc (USA)
SAE AS568 Sae International Dba Sae International (USA)
SAE MS3205 Sae International Dba Sae International (USA)
Related Parts
5331-00-159-3476INTERCHANGEABLE
O-RING
5331-00-413-5191INTERCHANGEABLE
O-RING
SAE-AS568
5331-00-612-3643INTERCHANGEABLE
O-RING
5331-00-716-6416INTERCHANGEABLE
O-RING
SAE-AS568-006
5331-01-089-6061INTERCHANGEABLE
O-RING
AS568-008 SAE AMS3205
5331-01-109-7498INTERCHANGEABLE
O-RING
AS568-912/MIL-PRF-1149 TY1 CL5
5331-01-135-7289INTERCHANGEABLE
O-RING
AS568-461 SAEAMS-R-7362TYPE1
5331-01-206-6122INTERCHANGEABLE
O-RING
E0540 2-217
5331-01-369-3571INTERCHANGEABLE
O-RING
AS568-165 SAE AMS-P-5510
5331-01-697-5021INTERCHANGEABLE
O-RING
AMS-R-83285GR80/AS568-235

Frequently Asked Questions

What is NSN 5331-01-079-8154?

NSN 5331-01-079-8154 is a O-Ring, manufactured by Sae International Dba Sae International, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-079-8154?

NSN 5331-01-079-8154 has 8 cross-referenced part numbers: AS568-343 (Society of Automotive Engineers Inc), SAE AS568-343 SAEMS3205 (Sae International Dba Sae International), AS568-2-342 (Sae International Dba Sae International), AS568-343 (Sae International Dba Sae International), 2-343N299-50 (Parker-Hannifin Corp Div O-Ring Division) and 3 more.

What NSN replaces 5331-01-079-8154?

There are 10 known substitutes for 5331-01-079-8154: 5331-00-159-3476, 5331-00-413-5191, 5331-00-612-3643 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SAE AS568-343 SAEMS3205?

Key specifications for SAE AS568-343 SAEMS3205: Cross-Sectional Height: 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN; Elongation Percentage: 582 MAXIMUM; Temp Rating: -55.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR. 7 total characteristics are documented in the Federal Logistics Information System.

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