PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20042-8O-Ring

Williams International Co., L.l.c. · NSN 5331-00-763-9032 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-763-9032 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-763-9032. Primary manufacturer part number: 20042-8.
Features
  • O-Ring — FSC 5331
  • Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
  • Center Hole Diameter: 3.224 INCHES MINIMUM AND 3.254 INCHES MAXIMUM IN
  • Material: RUBBER SYNTHETIC
  • 1 verified cross-reference
  • Primary manufacturer: Williams International Co., L.l.c.
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 5331-00-763-9032, 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 3 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-00-763-9032
Primary Part Number20042-8
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerWilliams International Co., L.l.c.
StatusACTIVE
Cross-Sectional Height0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
Center Hole Diameter3.224 INCHES MINIMUM AND 3.254 INCHES MAXIMUM IN
MaterialRUBBER SYNTHETIC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5930-00-220-6687259-9610-010 INTERCHANGEABLE
Switch,code Indicating Wheel
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
3895-00-451-27673360523 INTERCHANGEABLE
Strainer Assy
Ed Etnyre & Co
3110-00-938-2021200428 INTERCHANGEABLE
Roller,bearing
Regal Beloit America, Inc. Dba Rollway Bearing
3020-01-239-7614200428 INTERCHANGEABLE
Gear,helical
Dresser, Llc
Cross-Reference Index
Part NumberManufacturer
20042-8 PRIMARY Williams International Co., L.l.c. (USA)
Related Parts
5930-00-220-6687INTERCHANGEABLE
SWITCH,CODE INDICATING WHEEL
259-9610-010
3895-00-451-2767INTERCHANGEABLE
STRAINER ASSY
3360523
3110-00-938-2021INTERCHANGEABLE
ROLLER,BEARING
200428
3020-01-239-7614INTERCHANGEABLE
GEAR,HELICAL
200428

Frequently Asked Questions

What is NSN 5331-00-763-9032?

NSN 5331-00-763-9032 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 5331-00-763-9032?

NSN 5331-00-763-9032 has 1 cross-referenced part number: 20042-8 (Williams International Co., L.l.c.).

What NSN replaces 5331-00-763-9032?

There are 4 known substitutes for 5331-00-763-9032: 5930-00-220-6687, 3895-00-451-2767, 3110-00-938-2021 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20042-8?

Key specifications for 20042-8: Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN; Center Hole Diameter: 3.224 INCHES MINIMUM AND 3.254 INCHES MAXIMUM IN; Material: RUBBER SYNTHETIC. 3 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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