PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

204-167O-Ring

Aerocontrolex Group, Inc. · NSN 5331-00-531-2080 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-531-2080 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-531-2080. Primary manufacturer part number: 204-167.
Features
  • O-Ring — FSC 5331
  • Cross-Sectional Height: 0.055 INCHES NOMINAL IN
  • Material: RUBBER SILICONE CLASS Q
  • 1 verified cross-reference
  • Primary manufacturer: Aerocontrolex Group, Inc.
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 5331-00-531-2080, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Aerocontrolex Group, Inc.. Government technical data includes 2 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5331-00-531-2080
Primary Part Number204-167
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerAerocontrolex Group, Inc.
StatusCANCELLED
Cross-Sectional Height0.055 INCHES NOMINAL IN
MaterialRUBBER SILICONE CLASS Q
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
4720-01-317-491020401 INTERCHANGEABLE
Hose,preformed
Gates Corporation
5120-01-670-0216204-167 INTERCHANGEABLE
Inserter and Remover,spring
Ford Motor Co General Parts Division
Cross-Reference Index
Part NumberManufacturer
204-167 PRIMARY Aerocontrolex Group, Inc. (USA)
Related Parts
4720-01-317-4910INTERCHANGEABLE
HOSE,PREFORMED
20401
5120-01-670-0216INTERCHANGEABLE
INSERTER AND REMOVER,SPRING
204-167

Frequently Asked Questions

What is NSN 5331-00-531-2080?

NSN 5331-00-531-2080 is a O-Ring, manufactured by Aerocontrolex Group, Inc., classified under FSC 5331 (O-Ring). Status: cancelled.

What are the part numbers for NSN 5331-00-531-2080?

NSN 5331-00-531-2080 has 1 cross-referenced part number: 204-167 (Aerocontrolex Group, Inc.).

What NSN replaces 5331-00-531-2080?

There are 2 known substitutes for 5331-00-531-2080: 4720-01-317-4910, 5120-01-670-0216. Verify interchangeability with system specifications before substitution.

What are the specifications of 204-167?

Key specifications for 204-167: Cross-Sectional Height: 0.055 INCHES NOMINAL IN; Material: RUBBER SILICONE CLASS Q. 2 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5331-00-531-2080 still in active supply?

NSN 5331-00-531-2080 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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