PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8466O-Ring

Circor Aerospace, Inc. Dba Circor Aerospace Inc · NSN 5331-01-332-4080 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-332-4080 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-332-4080. Primary manufacturer part number: 8466.
Features
  • O-Ring — FSC 5331
  • 2 verified cross-references
  • Primary manufacturer: Circor Aerospace, Inc. Dba Circor Aerospace Inc
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-332-4080, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Circor Aerospace, Inc. Dba Circor Aerospace Inc. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameO-Ring
FSC / FSG5331 — O-Ring (FSG 53)
ManufacturersCircor Aerospace, Inc. Dba Circor Aerospace Inc (CAGE 91816); Atkomatic Valve Co Inc (CAGE 70642)
Technical Specifications
ParameterValue
NSN5331-01-332-4080
Primary Part Number8466
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerCircor Aerospace, Inc. Dba Circor Aerospace Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
2540-00-200-1911 INTERCHANGEABLE
Curtain,vehicular
5360-00-237-61148466 INTERCHANGEABLE
Spring,helical,compression
Essex Industries, Inc. Dba Essex Industries
6145-00-829-391928671A INTERCHANGEABLE
Cable,power,electrical
Champlain Cable Leeds Corporation
3120-01-018-7538 INTERCHANGEABLE
Bearing Assembly
4510-01-157-3588 INTERCHANGEABLE
Ball,faucet
4920-01-510-68058466 INTERCHANGEABLE
Valve,aircraft,mate
Duff Supply Co
5310-01-612-63238466 INTERCHANGEABLE
Nut,self-Locking,hexagon
Heyco Inc Dba Heyco Products
Cross-Reference Index
Part NumberManufacturer
8466 Circor Aerospace, Inc. Dba Circor Aerospace Inc (USA)
8466 Atkomatic Valve Co Inc (USA)
Related Parts
2540-00-200-1911INTERCHANGEABLE
CURTAIN,VEHICULAR
5360-00-237-6114INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
8466
6145-00-829-3919INTERCHANGEABLE
CABLE,POWER,ELECTRICAL
28671A
3120-01-018-7538INTERCHANGEABLE
BEARING ASSEMBLY
4510-01-157-3588INTERCHANGEABLE
BALL,FAUCET
4920-01-510-6805INTERCHANGEABLE
VALVE,AIRCRAFT,MATE
8466
5310-01-612-6323INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
8466

Frequently Asked Questions

What is NSN 5331-01-332-4080?

NSN 5331-01-332-4080 is a O-Ring, manufactured by Circor Aerospace, Inc. Dba Circor Aerospace Inc, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-332-4080?

NSN 5331-01-332-4080 has 2 cross-referenced part numbers: 8466 (Circor Aerospace, Inc. Dba Circor Aerospace Inc), 8466 (Atkomatic Valve Co Inc).

What NSN replaces 5331-01-332-4080?

There are 7 known substitutes for 5331-01-332-4080: 2540-00-200-1911, 5360-00-237-6114, 6145-00-829-3919 and 4 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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