PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

50139O-Ring

Axil Corporation Dba Itran Rubber · NSN 5331-00-582-7665 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-582-7665 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-582-7665. Primary manufacturer part number: 50139.
Features
  • O-Ring — FSC 5331
  • Cross-Sectional Height: 0.399 INCHES MINIMUM AND 0.419 INCHES MAXIMUM IN
  • Center Hole Diameter: 1.200 INCHES MAXIMUM IN
  • Material: RUBBER CHLOROPRENE CLASS CR
  • 3 verified cross-references
  • Primary manufacturer: Axil Corporation Dba Itran Rubber
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Chloroprene Class Cr construction
General Description

The O-Ring, cataloged under National Stock Number 5331-00-582-7665, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Axil Corporation Dba Itran Rubber. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-00-582-7665
Primary Part Number50139
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerAxil Corporation Dba Itran Rubber
StatusACTIVE
Cross-Sectional Height0.399 INCHES MINIMUM AND 0.419 INCHES MAXIMUM IN
Center Hole Diameter1.200 INCHES MAXIMUM IN
MaterialRUBBER CHLOROPRENE CLASS CR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5998-00-043-1417825-0026 INTERCHANGEABLE
Printed Wiring Board
Staco Energy Products Co Dba Staco Energy Products Co
2530-00-528-294250139 INTERCHANGEABLE
Vent Housing
Trw Inc Trw Commercial Steering Div
5950-00-869-1165PS5180-1 INTERCHANGEABLE
Transformer,power
Rockwell Collins, Inc. Dba Rc Displays Systems
5360-00-981-014350-139 INTERCHANGEABLE
Spring,pawl
Motorola Solutions Danmark A/s
5325-01-205-5686 INTERCHANGEABLE
Ring,retaining
7360-01-640-937450139 INTERCHANGEABLE
Cooking Outfit,field
Gsi Outdoors
6530-01-685-010850139 INTERCHANGEABLE
Chamber,thermal Isolation
Peli Biothermal Llc Div Biothermal Division of Pelican Products Inc.
Cross-Reference Index
Part NumberManufacturer
D311-070 Mechanical Rubber Products Company, Inc. Dba Mechanical Rubber Prdts Co Inc Div Mechanical Rubber Products Co., Inc. (USA)
50139 PRIMARY Axil Corporation Dba Itran Rubber (USA)
D311-070 Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp (USA)
Related Parts
5998-00-043-1417INTERCHANGEABLE
PRINTED WIRING BOARD
825-0026
2530-00-528-2942INTERCHANGEABLE
VENT HOUSING
50139
5950-00-869-1165INTERCHANGEABLE
TRANSFORMER,POWER
PS5180-1
5360-00-981-0143INTERCHANGEABLE
SPRING,PAWL
50-139
5325-01-205-5686INTERCHANGEABLE
RING,RETAINING
7360-01-640-9374INTERCHANGEABLE
COOKING OUTFIT,FIELD
50139
6530-01-685-0108INTERCHANGEABLE
CHAMBER,THERMAL ISOLATION
50139

Frequently Asked Questions

What is NSN 5331-00-582-7665?

NSN 5331-00-582-7665 is a O-Ring, manufactured by Axil Corporation Dba Itran Rubber, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-00-582-7665?

NSN 5331-00-582-7665 has 3 cross-referenced part numbers: D311-070 (Mechanical Rubber Products Company, Inc. Dba Mechanical Rubber Prdts Co Inc Div Mechanical Rubber Products Co., Inc.), 50139 (Axil Corporation Dba Itran Rubber), D311-070 (Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp).

What NSN replaces 5331-00-582-7665?

There are 7 known substitutes for 5331-00-582-7665: 5998-00-043-1417, 2530-00-528-2942, 5950-00-869-1165 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 50139?

Key specifications for 50139: Cross-Sectional Height: 0.399 INCHES MINIMUM AND 0.419 INCHES MAXIMUM IN; Center Hole Diameter: 1.200 INCHES MAXIMUM IN; Material: RUBBER CHLOROPRENE CLASS CR. 3 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com