PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

509-101O-Ring

Cummins Power Generation Inc. · NSN 5331-00-829-5784 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-829-5784 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-829-5784. Primary manufacturer part number: 509-101.
Features
  • O-Ring — FSC 5331
  • Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
  • Material: RUBBER SYNTHETIC
  • Center Hole Diameter: 1.108 INCHES MINIMUM AND 1.120 INCHES MAXIMUM IN
  • 3 verified cross-references
  • Primary manufacturer: Cummins Power Generation Inc.
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 5331-00-829-5784, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Cummins Power Generation Inc.. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references 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
NSN5331-00-829-5784
Primary Part Number509-101
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerCummins Power Generation Inc.
StatusCANCELLED
Cross-Sectional Height0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
MaterialRUBBER SYNTHETIC
Center Hole Diameter1.108 INCHES MINIMUM AND 1.120 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
4130-00-653-7525 INTERCHANGEABLE
Coupling Assy,male,
6160-01-118-4721W3T105304 INTERCHANGEABLE
Eletrode Assembly
Evoqua Water Technologies Llc
6910-01-188-983650-9101 INTERCHANGEABLE
Geo-Ligic Top Set
Ward's Natural Science Establishment Inc
Cross-Reference Index
Part NumberManufacturer
509-101 PRIMARY Cummins Power Generation Inc. (USA)
509P101 Cummins Power Generation Inc. (USA)
509-0101 Cummins Power Generation Inc. (USA)
Related Parts
4130-00-653-7525INTERCHANGEABLE
COUPLING ASSY,MALE,
6160-01-118-4721INTERCHANGEABLE
ELETRODE ASSEMBLY
W3T105304
6910-01-188-9836INTERCHANGEABLE
GEO-LIGIC TOP SET
50-9101

Frequently Asked Questions

What is NSN 5331-00-829-5784?

NSN 5331-00-829-5784 is a O-Ring, manufactured by Cummins Power Generation Inc., classified under FSC 5331 (O-Ring). Status: cancelled.

What are the part numbers for NSN 5331-00-829-5784?

NSN 5331-00-829-5784 has 3 cross-referenced part numbers: 509-101 (Cummins Power Generation Inc.), 509P101 (Cummins Power Generation Inc.), 509-0101 (Cummins Power Generation Inc.).

What NSN replaces 5331-00-829-5784?

There are 3 known substitutes for 5331-00-829-5784: 4130-00-653-7525, 6160-01-118-4721, 6910-01-188-9836. Verify interchangeability with system specifications before substitution.

What are the specifications of 509-101?

Key specifications for 509-101: Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN; Material: RUBBER SYNTHETIC; Center Hole Diameter: 1.108 INCHES MINIMUM AND 1.120 INCHES MAXIMUM IN. 3 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5331-00-829-5784 still in active supply?

NSN 5331-00-829-5784 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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