PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

R149P129JO-Ring

Stillman Seal Corporation Div Stillman Seal Corperation · NSN 5331-01-004-6129 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-004-6129 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-004-6129. Primary manufacturer part number: R149P129J.
Features
  • O-Ring — FSC 5331
  • Temp Rating: -15.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
  • Center Hole Diameter: 1.539 INCHES MINIMUM AND 1.559 INCHES MAXIMUM IN
  • Material: RUBBER FLUOROCARBON CLASS FPM
  • Outside Diameter: 1.734 INCHES MINIMUM AND 1.776 INCHES MAXIMUM IN
  • Cross-Sectional Height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
  • Hardness Rating: 75.0 SHORE DUROMETER A NOMINAL
  • 5 verified cross-references
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Fluorocarbon Class Fpm construction
General Description

The O-Ring, cataloged under National Stock Number 5331-01-004-6129, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Stillman Seal Corporation Div Stillman Seal Corperation. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-01-004-6129
Primary Part NumberR149P129J
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerStillman Seal Corporation Div Stillman Seal Corperation
StatusACTIVE
Temp Rating-15.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
Center Hole Diameter1.539 INCHES MINIMUM AND 1.559 INCHES MAXIMUM IN
MaterialRUBBER FLUOROCARBON CLASS FPM
Outside Diameter1.734 INCHES MINIMUM AND 1.776 INCHES MAXIMUM IN
Cross-Sectional Height0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
Hardness Rating75.0 SHORE DUROMETER A NOMINAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5331-00-167-5117AS3209-129 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-01-279-3362 INTERCHANGEABLE
O-Ring
5331-01-412-3842M83485/1-129 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
R149P129J General Electric Company (USA)
R149P129J PRIMARY Stillman Seal Corporation Div Stillman Seal Corperation (USA)
V0747 2-129 PRIMARY Parker-Hannifin Corp Div O-Ring Division (USA)
2-129V835-75 Parker-Hannifin Corp Div O-Ring Division (USA)
2-129 V747-75 Parker-Hannifin Corp Div O-Ring Division (USA)
Related Parts
5331-00-167-5117INTERCHANGEABLE
O-RING
AS3209-129
5331-01-279-3362INTERCHANGEABLE
O-RING
5331-01-412-3842INTERCHANGEABLE
O-RING
M83485/1-129

Frequently Asked Questions

What is NSN 5331-01-004-6129?

NSN 5331-01-004-6129 is a O-Ring, manufactured by Stillman Seal Corporation Div Stillman Seal Corperation, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-004-6129?

NSN 5331-01-004-6129 has 5 cross-referenced part numbers: R149P129J (General Electric Company), R149P129J (Stillman Seal Corporation Div Stillman Seal Corperation), V0747 2-129 (Parker-Hannifin Corp Div O-Ring Division), 2-129V835-75 (Parker-Hannifin Corp Div O-Ring Division), 2-129 V747-75 (Parker-Hannifin Corp Div O-Ring Division).

What NSN replaces 5331-01-004-6129?

There are 3 known substitutes for 5331-01-004-6129: 5331-00-167-5117, 5331-01-279-3362, 5331-01-412-3842. Verify interchangeability with system specifications before substitution.

What are the specifications of R149P129J?

Key specifications for R149P129J: Temp Rating: -15.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF; Center Hole Diameter: 1.539 INCHES MINIMUM AND 1.559 INCHES MAXIMUM IN; Material: RUBBER FLUOROCARBON CLASS FPM; Outside Diameter: 1.734 INCHES MINIMUM AND 1.776 INCHES MAXIMUM IN. 6 total characteristics are documented in the Federal Logistics Information System.

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