PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A-A-59588 CL 2A GR 60O-Ring

Federal Commercial Item Description Promulgated by General Services Administration Washington DC · NSN 5331-00-947-4234 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-947-4234 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-947-4234. Primary manufacturer part number: A-A-59588 CL 2A GR 60.
Features
  • O-Ring — FSC 5331
  • Outside Diameter: 4.351 INCHES MINIMUM AND 4.423 INCHES MAXIMUM IN
  • Center Hole Diameter: 4.094 INCHES MINIMUM AND 4.124 INCHES MAXIMUM IN
  • Material: RUBBER SILICONE CLASS Q
  • Temp Rating: -103.0 FAHRENHEIT AND 450.0 FAHRENHEIT DEGF
  • Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
  • Hardness Rating: 60.0 SHORE DUROMETER A NOMINAL
  • Elongation Percentage: 150 MAXIMUM
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Silicone Class Q construction
General Description

The O-Ring, cataloged under National Stock Number 5331-00-947-4234, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Federal Commercial Item Description Promulgated by General Services Administration Washington DC. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-00-947-4234
Primary Part NumberA-A-59588 CL 2A GR 60
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerFederal Commercial Item Description Promulgated by General Services Administration Washington DC
StatusACTIVE
Outside Diameter4.351 INCHES MINIMUM AND 4.423 INCHES MAXIMUM IN
Center Hole Diameter4.094 INCHES MINIMUM AND 4.124 INCHES MAXIMUM IN
MaterialRUBBER SILICONE CLASS Q
Temp Rating-103.0 FAHRENHEIT AND 450.0 FAHRENHEIT DEGF
Cross-Sectional Height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
Hardness Rating60.0 SHORE DUROMETER A NOMINAL
Elongation Percentage150 MAXIMUM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5342-00-153-472925033-21-7 INTERCHANGEABLE
Bracket
Hdt Expeditionary Systems Inc
4730-00-419-93720306092 INTERCHANGEABLE
Nut,slip Joint
Sloan Valve Company
5331-00-445-87472-243E515-8 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corp Div O-Ring Division
5331-00-579-754454A126-243 INTERCHANGEABLE
O-Ring
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5331-00-843-4608 INTERCHANGEABLE
O-Ring
5342-01-169-7043F2-A INTERCHANGEABLE
Mount
Macmillin Hydraulic Engineering Corp
4730-01-721-11860306091 INTERCHANGEABLE
Nut,slip Joint
Sloan Valve Company
Cross-Reference Index
Part NumberManufacturer
A-A-59588 CL 2A GR 60 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
AS568-243 Society of Automotive Engineers Inc (USA)
F2A Essex Group Inc Metal and Plastic Products Div (USA)
2-243S317-60 Parker-Hannifin Corp Div O-Ring Division (USA)
AS568-243 Sae International Dba Sae International (USA)
Related Parts
5342-00-153-4729INTERCHANGEABLE
BRACKET
25033-21-7
4730-00-419-9372INTERCHANGEABLE
NUT,SLIP JOINT
0306092
5331-00-445-8747INTERCHANGEABLE
O-RING
2-243E515-8
5331-00-579-7544INTERCHANGEABLE
O-RING
54A126-243
5331-00-843-4608INTERCHANGEABLE
O-RING
5342-01-169-7043INTERCHANGEABLE
MOUNT
F2-A
4730-01-721-1186INTERCHANGEABLE
NUT,SLIP JOINT
0306091

Frequently Asked Questions

What is NSN 5331-00-947-4234?

NSN 5331-00-947-4234 is a O-Ring, manufactured by Federal Commercial Item Description Promulgated by General Services Administration Washington DC, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-00-947-4234?

NSN 5331-00-947-4234 has 5 cross-referenced part numbers: A-A-59588 CL 2A GR 60 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), AS568-243 (Society of Automotive Engineers Inc), F2A (Essex Group Inc Metal and Plastic Products Div), 2-243S317-60 (Parker-Hannifin Corp Div O-Ring Division), AS568-243 (Sae International Dba Sae International).

What NSN replaces 5331-00-947-4234?

There are 7 known substitutes for 5331-00-947-4234: 5342-00-153-4729, 4730-00-419-9372, 5331-00-445-8747 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A-A-59588 CL 2A GR 60?

Key specifications for A-A-59588 CL 2A GR 60: Outside Diameter: 4.351 INCHES MINIMUM AND 4.423 INCHES MAXIMUM IN; Center Hole Diameter: 4.094 INCHES MINIMUM AND 4.124 INCHES MAXIMUM IN; Material: RUBBER SILICONE CLASS Q; Temp Rating: -103.0 FAHRENHEIT AND 450.0 FAHRENHEIT DEGF. 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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