PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6V-1179O-Ring

Caterpillar Inc Div Caterpillar Defense · NSN 5331-01-483-9446 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-483-9446 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-483-9446. Primary manufacturer part number: 6V-1179.
Features
  • O-Ring — FSC 5331
  • 3 verified cross-references
  • Primary manufacturer: Caterpillar Inc Div Caterpillar Defense
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-483-9446, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Caterpillar Inc Div Caterpillar Defense. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameO-Ring
FSC / FSG5331 — O-Ring (FSG 53)
ManufacturersCaterpillar Inc Div Caterpillar Defense (CAGE 11083); Navantia - Propulsion Y Energia Motores - Cartagena (CAGE 409BB); Navantia Sa Sme. Div Navantia Hq (CAGE 0141B)
Technical Specifications
ParameterValue
NSN5331-01-483-9446
Primary Part Number6V-1179
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5331-00-165-1951M83248/1-233 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
6V-1179 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
6V-1179 Navantia - Propulsion Y Energia Motores - Cartagena (ESP)
6V-1179 Navantia Sa Sme. Div Navantia Hq (ESP)
Related Parts
5331-00-165-1951INTERCHANGEABLE
O-RING
M83248/1-233

Frequently Asked Questions

What is NSN 5331-01-483-9446?

NSN 5331-01-483-9446 is a O-Ring, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-483-9446?

NSN 5331-01-483-9446 has 3 cross-referenced part numbers: 6V-1179 (Caterpillar Inc Div Caterpillar Defense), 6V-1179 (Navantia - Propulsion Y Energia Motores - Cartagena), 6V-1179 (Navantia Sa Sme. Div Navantia Hq).

What NSN replaces 5331-01-483-9446?

There is 1 known substitute for 5331-01-483-9446: 5331-00-165-1951. Verify interchangeability with system specifications before substitution.

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