PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2507294-18O-Ring

Parker-Hannifin Corp Div O-Ring Division · NSN 5331-00-136-5642 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-136-5642 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-136-5642. Primary manufacturer part number: 2507294-18.
Features
  • O-Ring — FSC 5331
  • Hardness Rating: 70.0 SHORE DUROMETER A NOMINAL
  • Temp Rating: -30.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
  • Elongation Percentage: 331 MAXIMUM
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
  • Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
  • Center Hole Diameter: 1.479 INCHES MINIMUM AND 1.499 INCHES MAXIMUM IN
  • 13 verified cross-references
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 5331-00-136-5642, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Parker-Hannifin Corp Div O-Ring Division. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5331-00-136-5642
Primary Part Number2507294-18
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerParker-Hannifin Corp Div O-Ring Division
StatusCANCELLED
Hardness Rating70.0 SHORE DUROMETER A NOMINAL
Temp Rating-30.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
Elongation Percentage331 MAXIMUM
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
Cross-Sectional Height0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
Center Hole Diameter1.479 INCHES MINIMUM AND 1.499 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
5331-00-455-64052574737-6 INTERCHANGEABLE
O-Ring
Parker Hannifin Corporation Div O-Ring Division
5331-01-286-079291417-029 INTERCHANGEABLE
O-Ring
Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris
Cross-Reference Index
Part NumberManufacturer
AS568-029NBR Society of Automotive Engineers Inc (USA)
0221-12662-922 REF 34 Hub City, Inc. Dba Hub City Div Hub City, Inc. - a Regal-Beloit Company (USA)
2-029 BUNA-N Dcl Corp Rubber Products Div (USA)
8-74-80-09-009 Safeguard Powertech Systems (USA)
2507294-18 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
2-029 N674-7 Parker-Hannifin Corp Div O-Ring Division (USA)
N0674 2-029 Parker-Hannifin Corp Div O-Ring Division (USA)
2507294-18 PRIMARY Parker-Hannifin Corp Div O-Ring Division (USA)
2-029 N674-70 Zf Industrieantriebe Witten Gmbh (DEU)
2507294-18 Naval Sea Systems Command (USA)
ARP568-029 Zf Industrieantriebe Witten Gmbh (DEU)
2507294-18 Parco, Llc (USA)
2-029N674-70 Parker-Hannifin Corp Div O-Ring Division (USA)
Related Parts
5331-00-455-6405INTERCHANGEABLE
O-RING
2574737-6
5331-01-286-0792INTERCHANGEABLE
O-RING
91417-029

Frequently Asked Questions

What is NSN 5331-00-136-5642?

NSN 5331-00-136-5642 is a O-Ring, manufactured by Parker-Hannifin Corp Div O-Ring Division, classified under FSC 5331 (O-Ring). Status: cancelled.

What are the part numbers for NSN 5331-00-136-5642?

NSN 5331-00-136-5642 has 13 cross-referenced part numbers: AS568-029NBR (Society of Automotive Engineers Inc), 0221-12662-922 REF 34 (Hub City, Inc. Dba Hub City Div Hub City, Inc. - a Regal-Beloit Company), 2-029 BUNA-N (Dcl Corp Rubber Products Div), 8-74-80-09-009 (Safeguard Powertech Systems), 2507294-18 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier) and 8 more.

What NSN replaces 5331-00-136-5642?

There are 2 known substitutes for 5331-00-136-5642: 5331-00-455-6405, 5331-01-286-0792. Verify interchangeability with system specifications before substitution.

What are the specifications of 2507294-18?

Key specifications for 2507294-18: Hardness Rating: 70.0 SHORE DUROMETER A NOMINAL; Temp Rating: -30.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF; Elongation Percentage: 331 MAXIMUM; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR. 6 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5331-00-136-5642 still in active supply?

NSN 5331-00-136-5642 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