PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

231-8309O-Ring

Parker Hannifin Corporation Div O-Ring Division · NSN 5331-01-017-6536 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-017-6536 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-017-6536. Primary manufacturer part number: 231-8309.
Features
  • O-Ring — FSC 5331
  • Material: RUBBER SYNTHETIC
  • Outside Diameter: 2.887 INCHES NOMINAL IN
  • Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
  • Center Hole Diameter: 2.599 INCHES MINIMUM AND 2.619 INCHES MAXIMUM IN
  • 6 verified cross-references
  • Primary manufacturer: Parker Hannifin Corporation Div O-Ring Division
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Synthetic construction
General Description

The O-Ring, cataloged under National Stock Number 5331-01-017-6536, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Parker Hannifin Corporation Div O-Ring Division. Government technical data includes 4 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-01-017-6536
Primary Part Number231-8309
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerParker Hannifin Corporation Div O-Ring Division
StatusACTIVE
MaterialRUBBER SYNTHETIC
Outside Diameter2.887 INCHES NOMINAL IN
Cross-Sectional Height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
Center Hole Diameter2.599 INCHES MINIMUM AND 2.619 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5331-00-052-6805 INTERCHANGEABLE
O-Ring
5331-00-352-03282-231C557-70 INTERCHANGEABLE
O-Ring
C. E. Conover & Co., Inc.
5331-00-593-12822-231N951-75 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division
5331-00-641-3656AS568-231 MIL-PRF-1149TYP2CL5 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-01-486-1730AS568-231 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
691-00231 Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division (USA)
AS568-231 Society of Automotive Engineers Inc (USA)
231-8309 PRIMARY Parker Hannifin Corporation Div O-Ring Division (USA)
231-7509 Parker Hannifin Corporation Div O-Ring Division (USA)
D2000 2BG915B14B34E014EO34EF American Society for Testing and Materials Dba Astm International (USA)
AS568-231 Sae International Dba Sae International (USA)
Related Parts
5331-00-052-6805INTERCHANGEABLE
O-RING
5331-00-352-0328INTERCHANGEABLE
O-RING
2-231C557-70
5331-00-593-1282INTERCHANGEABLE
O-RING
2-231N951-75
5331-00-641-3656INTERCHANGEABLE
O-RING
AS568-231 MIL-PRF-1149TYP2CL5
5331-01-486-1730INTERCHANGEABLE
O-RING
AS568-231

Frequently Asked Questions

What is NSN 5331-01-017-6536?

NSN 5331-01-017-6536 is a O-Ring, manufactured by Parker Hannifin Corporation Div O-Ring Division, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-017-6536?

NSN 5331-01-017-6536 has 6 cross-referenced part numbers: 691-00231 (Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division), AS568-231 (Society of Automotive Engineers Inc), 231-8309 (Parker Hannifin Corporation Div O-Ring Division), 231-7509 (Parker Hannifin Corporation Div O-Ring Division), D2000 2BG915B14B34E014EO34EF (American Society for Testing and Materials Dba Astm International) and 1 more.

What NSN replaces 5331-01-017-6536?

There are 5 known substitutes for 5331-01-017-6536: 5331-00-052-6805, 5331-00-352-0328, 5331-00-593-1282 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 231-8309?

Key specifications for 231-8309: Material: RUBBER SYNTHETIC; Outside Diameter: 2.887 INCHES NOMINAL IN; Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN; Center Hole Diameter: 2.599 INCHES MINIMUM AND 2.619 INCHES MAXIMUM IN. 4 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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