PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

79129O-Ring

Eaton Aerospace, Llc Dba Jackson South · NSN 5331-00-523-7169 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-523-7169 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-523-7169. Primary manufacturer part number: 79129.
Features
  • O-Ring — FSC 5331
  • Material: RUBBER SYNTHETIC
  • Center Hole Diameter: 2.041 INCHES MINIMUM AND 2.061 INCHES MAXIMUM IN
  • Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
  • 1 verified cross-reference
  • Primary manufacturer: Eaton Aerospace, Llc Dba Jackson South
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Synthetic construction
General Description

The O-Ring, cataloged under National Stock Number 5331-00-523-7169, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Eaton Aerospace, Llc Dba Jackson South. Government technical data includes 3 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5331-00-523-7169
Primary Part Number79129
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerEaton Aerospace, Llc Dba Jackson South
StatusCANCELLED
MaterialRUBBER SYNTHETIC
Center Hole Diameter2.041 INCHES MINIMUM AND 2.061 INCHES MAXIMUM IN
Cross-Sectional Height0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
4120-00-211-5922247500BTU INTERCHANGEABLE
Air Conditioner
Johnson Controls Navy Systems, Llc
5999-00-364-076079-129 INTERCHANGEABLE
Contact,electrical
Eaton Corp Opns & Technical Center
5905-01-275-6782MOD156 INTERCHANGEABLE
Resistor,variable,wire Wound,non
General Dynamics Motion Control Llc
Cross-Reference Index
Part NumberManufacturer
79129 PRIMARY Eaton Aerospace, Llc Dba Jackson South (USA)
Related Parts
4120-00-211-5922INTERCHANGEABLE
AIR CONDITIONER
247500BTU
5999-00-364-0760INTERCHANGEABLE
CONTACT,ELECTRICAL
79-129
5905-01-275-6782INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
MOD156

Frequently Asked Questions

What is NSN 5331-00-523-7169?

NSN 5331-00-523-7169 is a O-Ring, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 5331 (O-Ring). Status: cancelled.

What are the part numbers for NSN 5331-00-523-7169?

NSN 5331-00-523-7169 has 1 cross-referenced part number: 79129 (Eaton Aerospace, Llc Dba Jackson South).

What NSN replaces 5331-00-523-7169?

There are 3 known substitutes for 5331-00-523-7169: 4120-00-211-5922, 5999-00-364-0760, 5905-01-275-6782. Verify interchangeability with system specifications before substitution.

What are the specifications of 79129?

Key specifications for 79129: Material: RUBBER SYNTHETIC; Center Hole Diameter: 2.041 INCHES MINIMUM AND 2.061 INCHES MAXIMUM IN; Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN. 3 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5331-00-523-7169 still in active supply?

NSN 5331-00-523-7169 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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