PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

22762O-Ring

Williams International Co., L.l.c. · NSN 5331-01-126-4558 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-126-4558 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-126-4558. Primary manufacturer part number: 22762.
Features
  • O-Ring — FSC 5331
  • Material Document and Classification: MIL-R-83248 TYPE 1, CLASS 1 MIL SPEC SINGLE MATERIAL RESPONSE
  • Material: RUBBER FLUOROCARBON CLASS FPM
  • Criticality Code Justification: MDCL
  • Cross-Sectional Height: 0.037 INCHES MINIMUM AND 0.043 INCHES MAXIMUM IN
  • Center Hole Diameter: 0.283 INCHES MINIMUM AND 0.297 INCHES MAXIMUM IN
  • Hardness Rating: 70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM
  • 1 verified cross-reference
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Fluorocarbon Class Fpm construction
General Description

The O-Ring, cataloged under National Stock Number 5331-01-126-4558, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Williams International Co., L.l.c.. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN5331-01-126-4558
Primary Part Number22762
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerWilliams International Co., L.l.c.
StatusACTIVE
Material Document and ClassificationMIL-R-83248 TYPE 1, CLASS 1 MIL SPEC SINGLE MATERIAL RESPONSE
MaterialRUBBER FLUOROCARBON CLASS FPM
Criticality Code JustificationMDCL
Cross-Sectional Height0.037 INCHES MINIMUM AND 0.043 INCHES MAXIMUM IN
Center Hole Diameter0.283 INCHES MINIMUM AND 0.297 INCHES MAXIMUM IN
Hardness Rating70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
4820-00-126-8531 INTERCHANGEABLE
Valve,linear,directional Control
5110-00-541-4961 INTERCHANGEABLE
Reamer,hand
1660-00-676-083922762-00 INTERCHANGEABLE
Guide,stem,relief V
Avox Systems Inc Dba Avox Systems Inc
9540-01-071-1356 INTERCHANGEABLE
Beam,structural
5962-01-124-167222762 INTERCHANGEABLE
Microcircuit
Smiths Aerospace, Inc., Electronic Systems-Grand Rapids
3455-01-388-966222762 INTERCHANGEABLE
Blade,hole Saw
Barnes Group Inc. Dba Barnes Distribution
5340-01-554-5055796035 INTERCHANGEABLE
Grip,handle
Multiquip Inc. Dba Multiquip Inc
Cross-Reference Index
Part NumberManufacturer
22762 PRIMARY Williams International Co., L.l.c. (USA)
Related Parts
4820-00-126-8531INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
5110-00-541-4961INTERCHANGEABLE
REAMER,HAND
1660-00-676-0839INTERCHANGEABLE
GUIDE,STEM,RELIEF V
22762-00
9540-01-071-1356INTERCHANGEABLE
BEAM,STRUCTURAL
5962-01-124-1672INTERCHANGEABLE
MICROCIRCUIT
22762
3455-01-388-9662INTERCHANGEABLE
BLADE,HOLE SAW
22762
5340-01-554-5055INTERCHANGEABLE
GRIP,HANDLE
796035

Frequently Asked Questions

What is NSN 5331-01-126-4558?

NSN 5331-01-126-4558 is a O-Ring, manufactured by Williams International Co., L.l.c., classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-126-4558?

NSN 5331-01-126-4558 has 1 cross-referenced part number: 22762 (Williams International Co., L.l.c.).

What NSN replaces 5331-01-126-4558?

There are 7 known substitutes for 5331-01-126-4558: 4820-00-126-8531, 5110-00-541-4961, 1660-00-676-0839 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 22762?

Key specifications for 22762: Material Document and Classification: MIL-R-83248 TYPE 1, CLASS 1 MIL SPEC SINGLE MATERIAL RESPONSE; Material: RUBBER FLUOROCARBON CLASS FPM; Criticality Code Justification: MDCL; Cross-Sectional Height: 0.037 INCHES MINIMUM AND 0.043 INCHES MAXIMUM IN. 6 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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