PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AS568-125O-Ring

Sae International Dba Sae International · NSN 5331-00-432-8253 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-432-8253 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-432-8253. Primary manufacturer part number: AS568-125.
Features
  • O-Ring — FSC 5331
  • Center Hole Diameter: 1.293 INCHES MINIMUM AND 1.302 INCHES MAXIMUM IN
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
  • Hardness Rating: 70.0 SHORE DUROMETER A NOMINAL
  • Outside Diameter: 1.487 INCHES MINIMUM AND 1.523 INCHES MAXIMUM IN
  • Elongation Percentage: 330 MAXIMUM
  • Cross-Sectional Height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
  • Temp Rating: -35.0 FAHRENHEIT AND 212.0 FAHRENHEIT DEGF
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 5331-00-432-8253, 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 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-00-432-8253
Primary Part NumberAS568-125
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerSae International Dba Sae International
StatusACTIVE
Center Hole Diameter1.293 INCHES MINIMUM AND 1.302 INCHES MAXIMUM IN
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
Hardness Rating70.0 SHORE DUROMETER A NOMINAL
Outside Diameter1.487 INCHES MINIMUM AND 1.523 INCHES MAXIMUM IN
Elongation Percentage330 MAXIMUM
Cross-Sectional Height0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
Temp Rating-35.0 FAHRENHEIT AND 212.0 FAHRENHEIT DEGF
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5331-00-444-0850 INTERCHANGEABLE
O-Ring
5331-00-480-84052-125E540-8 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corp Div O-Ring Division
5331-01-464-0438 INTERCHANGEABLE
O-Ring
Cross-Reference Index
Part NumberManufacturer
N0497 2-125 Parker-Hannifin Corp Div O-Ring Division (USA)
2-125SAE120RCL1 Parker-Hannifin Corp Div O-Ring Division (USA)
AS568-125 Society of Automotive Engineers Inc (USA)
ASTM D2000 American Society for Testing and Materials Dba Astm International (USA)
1-125 Automotive Inc Fluid Power Systems Components Div Sub of United Technologies Corp (USA)
AS568-125 PRIMARY Sae International Dba Sae International (USA)
Related Parts
5331-00-444-0850INTERCHANGEABLE
O-RING
5331-00-480-8405INTERCHANGEABLE
O-RING
2-125E540-8
5331-01-464-0438INTERCHANGEABLE
O-RING

Frequently Asked Questions

What is NSN 5331-00-432-8253?

NSN 5331-00-432-8253 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 5331-00-432-8253?

NSN 5331-00-432-8253 has 6 cross-referenced part numbers: N0497 2-125 (Parker-Hannifin Corp Div O-Ring Division), 2-125SAE120RCL1 (Parker-Hannifin Corp Div O-Ring Division), AS568-125 (Society of Automotive Engineers Inc), ASTM D2000 (American Society for Testing and Materials Dba Astm International), 1-125 (Automotive Inc Fluid Power Systems Components Div Sub of United Technologies Corp) and 1 more.

What NSN replaces 5331-00-432-8253?

There are 3 known substitutes for 5331-00-432-8253: 5331-00-444-0850, 5331-00-480-8405, 5331-01-464-0438. Verify interchangeability with system specifications before substitution.

What are the specifications of AS568-125?

Key specifications for AS568-125: Center Hole Diameter: 1.293 INCHES MINIMUM AND 1.302 INCHES MAXIMUM IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR; Hardness Rating: 70.0 SHORE DUROMETER A NOMINAL; Outside Diameter: 1.487 INCHES MINIMUM AND 1.523 INCHES MAXIMUM IN. 7 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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