PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

721112O-Ring

The Walworth Company · NSN 5331-00-919-8831 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-919-8831 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-919-8831. Primary manufacturer part number: 721112.
Features
  • O-Ring — FSC 5331
  • Cross-Sectional Height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
  • Material: PLASTIC
  • Center Hole Diameter: 0.607 INCHES MINIMUM AND 0.617 INCHES MAXIMUM IN
  • 2 verified cross-references
  • Primary manufacturer: The Walworth Company
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Plastic construction
General Description

The O-Ring, cataloged under National Stock Number 5331-00-919-8831, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is The Walworth Company. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 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
NSN5331-00-919-8831
Primary Part Number721112
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerThe Walworth Company
StatusCANCELLED
Cross-Sectional Height0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
MaterialPLASTIC
Center Hole Diameter0.607 INCHES MINIMUM AND 0.617 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
5975-00-152-10951102 INTERCHANGEABLE
Bushing,electrical Conduit
Raco, a Division of Hubbell Incorporated(delaware)
5905-00-492-410072-1112 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
Darchem Engineering Ltd
Cross-Reference Index
Part NumberManufacturer
721112 PRIMARY The Walworth Company (USA)
AN6227-12TEFL0N PRIMARY Admiral Valve Llc Dba Cpv Manufacturing (USA)
Related Parts
5975-00-152-1095INTERCHANGEABLE
BUSHING,ELECTRICAL CONDUIT
1102
5905-00-492-4100INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
72-1112

Frequently Asked Questions

What is NSN 5331-00-919-8831?

NSN 5331-00-919-8831 is a O-Ring, manufactured by The Walworth Company, classified under FSC 5331 (O-Ring). Status: cancelled.

What are the part numbers for NSN 5331-00-919-8831?

NSN 5331-00-919-8831 has 2 cross-referenced part numbers: 721112 (The Walworth Company), AN6227-12TEFL0N (Admiral Valve Llc Dba Cpv Manufacturing).

What NSN replaces 5331-00-919-8831?

There are 2 known substitutes for 5331-00-919-8831: 5975-00-152-1095, 5905-00-492-4100. Verify interchangeability with system specifications before substitution.

What are the specifications of 721112?

Key specifications for 721112: Cross-Sectional Height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN; Material: PLASTIC; Center Hole Diameter: 0.607 INCHES MINIMUM AND 0.617 INCHES MAXIMUM IN. 3 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5331-00-919-8831 still in active supply?

NSN 5331-00-919-8831 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.
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