PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

123-279-5O-Ring

Rix Industries · NSN 5331-01-278-7633 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-278-7633 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-278-7633. Primary manufacturer part number: 123-279-5.
Features
  • O-Ring — FSC 5331
  • 1 verified cross-reference
  • Primary manufacturer: Rix Industries
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-278-7633, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Rix Industries. This item has 1 commercial cross-reference from 1 manufacturer, 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)
ManufacturersRix Industries (CAGE 28953)
Technical Specifications
ParameterValue
NSN5331-01-278-7633
Primary Part Number123-279-5
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerRix Industries
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5331-00-167-51222-134V0747-75 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corp Div O-Ring Division
Cross-Reference Index
Part NumberManufacturer
123-279-5 PRIMARY Rix Industries (USA)
Related Parts
5331-00-167-5122INTERCHANGEABLE
O-RING
2-134V0747-75

Frequently Asked Questions

What is NSN 5331-01-278-7633?

NSN 5331-01-278-7633 is a O-Ring, manufactured by Rix Industries, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-278-7633?

NSN 5331-01-278-7633 has 1 cross-referenced part number: 123-279-5 (Rix Industries).

What NSN replaces 5331-01-278-7633?

There is 1 known substitute for 5331-01-278-7633: 5331-00-167-5122. Verify interchangeability with system specifications before substitution.

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