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NSN 5331-01-420-8479Government record, cited
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O-Ring5331-01-420-8479

NSN 5331-01-420-8479 · NIIN 014208479 · Part number 050495A2
Hartford Compressors Inc · FSC 5331 — O-ring · FSG 53 — Hardware and Abrasives · CAGE 10119
Government record, cited
NSN 5331-01-420-8479 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-420-8479. Manufacturer of record part number: 050495A2.
Also searched as  5331-01-420-8479 · 5331014208479 · NIIN 014208479 · 01-420-8479 · FSC 5331 O-ring · CAGE 10119 · 050495A2 · EA00684
Nearby stock numbers  ·
SECTION O-RING CROSS SECTION
5331-01-420-8479 — O-ring
Features
  • O-Ring — FSC 5331
  • Cross-Sectional Height: 0.210 INCHES NOMINAL IN
  • Center Hole Diameter: 3.725 INCHES NOMINAL IN
  • 2 manufacturer part numbers on file
  • Manufacturer of record: Hartford Compressors Inc
Identification
  • NSN: 5331-01-420-8479
  • NIIN: 014208479
  • FSC: 5331 — O-ring
  • FSG: 53 — Hardware and Abrasives
  • Primary part number: 050495A2
  • Manufacturer: Hartford Compressors Inc
General Description

The O-Ring, cataloged under National Stock Number 5331-01-420-8479, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Hartford Compressors Inc. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-01-420-8479
Primary Part Number050495A2
Item NameO-Ring
FSC / FSG5331 / 53 — O-ring
ManufacturerHartford Compressors Inc
StatusACTIVE
Cross-Sectional Height0.210 INCHES NOMINAL IN
Center Hole Diameter3.725 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
050495A2 PRIMARY Hartford Compressors Inc (USA)
EA00684 Naval Group Site De Lorient (FRA)
No interchangeability data on file.
Other items in FSC 5331 — O-ring
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5331-00-001-1971
O-RING
5331-00-001-1979
O-RING
5331-00-001-3904
O-RING
5331-00-001-3905
O-RING
5331-00-001-3906
O-RING
5331-00-001-3908
O-RING
5331-00-001-3923
O-RING
5331-00-001-3924
O-RING

Frequently Asked Questions

What is NSN 5331-01-420-8479?

NSN 5331-01-420-8479 is a O-Ring, manufactured by Hartford Compressors Inc, classified under FSC 5331, O-ring. Status: active.

What part numbers are listed for NSN 5331-01-420-8479?

NSN 5331-01-420-8479 has 2 manufacturer part numbers on file: 050495A2 (Hartford Compressors Inc), EA00684 (Naval Group Site De Lorient).

What are the specifications of 050495A2?

Key specifications for 050495A2: Cross-Sectional Height: 0.210 INCHES NOMINAL IN; Center Hole Diameter: 3.725 INCHES NOMINAL IN. 2 specifications are documented in the U.S. Government catalog.

Is NSN 5331-01-420-8479 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

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✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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