PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

102030O-Ring

Cummins Inc. · NSN 5331-00-677-9818 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-677-9818 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-677-9818. Primary manufacturer part number: 102030.
Features
  • O-Ring — FSC 5331
  • Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
  • Material: RUBBER SYNTHETIC
  • Center Hole Diameter: 0.484 INCHES MINIMUM AND 0.494 INCHES MAXIMUM IN
  • 2 verified cross-references
  • Primary manufacturer: Cummins 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 5331-00-677-9818, 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 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-00-677-9818
Primary Part Number102030
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerCummins Inc.
StatusACTIVE
Cross-Sectional Height0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
MaterialRUBBER SYNTHETIC
Center Hole Diameter0.484 INCHES MINIMUM AND 0.494 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5310-00-374-04399092164 INTERCHANGEABLE
Washer,key
U S Army Tank Automotive Command Amsta-Im-Mm
3030-01-109-41751032030 INTERCHANGEABLE
Belting,v,adjustable Link
Fenner America Inc Fenner Manheim Div
5310-01-146-6147102030 INTERCHANGEABLE
Nut,plain,hexagon
Phiillips & Temro Industries Inc Div Industrial
5940-01-473-8126102030 INTERCHANGEABLE
Terminal Junction Block,sectiona
Weidmueller Terminations Inc
7240-01-501-9048102030 INTERCHANGEABLE
Funnel
Whitmore Manufacturing, Llc Dba Jet-Lube
Cross-Reference Index
Part NumberManufacturer
102030 PRIMARY Cummins Inc. (USA)
126750 Cummins Inc. (USA)
Related Parts
5310-00-374-0439INTERCHANGEABLE
WASHER,KEY
9092164
3030-01-109-4175INTERCHANGEABLE
BELTING,V,ADJUSTABLE LINK
1032030
5310-01-146-6147INTERCHANGEABLE
NUT,PLAIN,HEXAGON
102030
5940-01-473-8126INTERCHANGEABLE
TERMINAL JUNCTION BLOCK,SECTIONA
102030
7240-01-501-9048INTERCHANGEABLE
FUNNEL
102030

Frequently Asked Questions

What is NSN 5331-00-677-9818?

NSN 5331-00-677-9818 is a O-Ring, manufactured by Cummins Inc., classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-00-677-9818?

NSN 5331-00-677-9818 has 2 cross-referenced part numbers: 102030 (Cummins Inc.), 126750 (Cummins Inc.).

What NSN replaces 5331-00-677-9818?

There are 5 known substitutes for 5331-00-677-9818: 5310-00-374-0439, 3030-01-109-4175, 5310-01-146-6147 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 102030?

Key specifications for 102030: Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN; Material: RUBBER SYNTHETIC; Center Hole Diameter: 0.484 INCHES MINIMUM AND 0.494 INCHES MAXIMUM IN. 3 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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