PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

64404O-Ring

Cummins Inc. · NSN 5331-00-950-4267 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-950-4267 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-950-4267. Primary manufacturer part number: 64404.
Features
  • O-Ring — FSC 5331
  • Cross-Sectional Height: 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
  • Center Hole Diameter: 2.062 INCHES NOMINAL IN
  • 1 verified cross-reference
  • Primary manufacturer: Cummins Inc.
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-00-950-4267, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Cummins Inc.. Government technical data includes 2 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-00-950-4267
Primary Part Number64404
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerCummins Inc.
StatusACTIVE
Cross-Sectional Height0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
Center Hole Diameter2.062 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5305-01-200-3939 INTERCHANGEABLE
Screw,machine
5945-01-299-64836440-4 INTERCHANGEABLE
Relay,electromagnetic
Edro Corporation, the Dba Edro Corp
Cross-Reference Index
Part NumberManufacturer
64404 PRIMARY Cummins Inc. (USA)
Related Parts
5305-01-200-3939INTERCHANGEABLE
SCREW,MACHINE
5945-01-299-6483INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
6440-4

Frequently Asked Questions

What is NSN 5331-00-950-4267?

NSN 5331-00-950-4267 is a O-Ring, manufactured by Cummins Inc., classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-00-950-4267?

NSN 5331-00-950-4267 has 1 cross-referenced part number: 64404 (Cummins Inc.).

What NSN replaces 5331-00-950-4267?

There are 2 known substitutes for 5331-00-950-4267: 5305-01-200-3939, 5945-01-299-6483. Verify interchangeability with system specifications before substitution.

What are the specifications of 64404?

Key specifications for 64404: Cross-Sectional Height: 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN; Center Hole Diameter: 2.062 INCHES NOMINAL IN. 2 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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