PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18030O-Ring

Caterpillar Work Tools, Inc Dba Caterpillar · NSN 5331-01-289-3127 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-289-3127 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-289-3127. Primary manufacturer part number: 18030.
Features
  • O-Ring — FSC 5331
  • 1 verified cross-reference
  • Primary manufacturer: Caterpillar Work Tools, Inc Dba Caterpillar
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-289-3127, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Caterpillar Work Tools, Inc Dba Caterpillar. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameO-Ring
FSC / FSG5331 — O-Ring (FSG 53)
ManufacturersCaterpillar Work Tools, Inc Dba Caterpillar (CAGE 89917)
Technical Specifications
ParameterValue
NSN5331-01-289-3127
Primary Part Number18030
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerCaterpillar Work Tools, Inc Dba Caterpillar
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5133-00-189-9275 INTERCHANGEABLE
Drill,twist
4710-00-788-103318030 INTERCHANGEABLE
Tube Assembly Metal
Napco International Llc Dba Napco International Inc
5930-00-938-1126A4-87-103 INTERCHANGEABLE
Switch,push
Safran Power Usa, Llc
4240-01-171-5178T18030 INTERCHANGEABLE
Spectacles,industrial
North Safety Products L.l.c. Dba North Safety Products
5330-01-395-516918030 INTERCHANGEABLE
Gasket
Westerbeke Corporation
5306-01-484-491918030 INTERCHANGEABLE
Bolt,eccentric Head
Hayes Lemmerz International, Inc. Dba Hayes Lemmerz International
5330-01-565-302418 030 INTERCHANGEABLE
Gasket
Winteb Usa, Inc
6515-01-570-067318030 INTERCHANGEABLE
Exercise Machine,pedal
Reable Therapeutics Inc Dba Chattanooga Group
4330-01-608-4436180-30 INTERCHANGEABLE
Filter Element,fluid
Graver Technologies Llc
Cross-Reference Index
Part NumberManufacturer
18030 Caterpillar Work Tools, Inc Dba Caterpillar (USA)
Related Parts
5133-00-189-9275INTERCHANGEABLE
DRILL,TWIST
4710-00-788-1033INTERCHANGEABLE
TUBE ASSEMBLY METAL
18030
5930-00-938-1126INTERCHANGEABLE
SWITCH,PUSH
A4-87-103
4240-01-171-5178INTERCHANGEABLE
SPECTACLES,INDUSTRIAL
T18030
5330-01-395-5169INTERCHANGEABLE
GASKET
18030
5306-01-484-4919INTERCHANGEABLE
BOLT,ECCENTRIC HEAD
18030
5330-01-565-3024INTERCHANGEABLE
GASKET
18 030
6515-01-570-0673INTERCHANGEABLE
EXERCISE MACHINE,PEDAL
18030
4330-01-608-4436INTERCHANGEABLE
FILTER ELEMENT,FLUID
180-30

Frequently Asked Questions

What is NSN 5331-01-289-3127?

NSN 5331-01-289-3127 is a O-Ring, manufactured by Caterpillar Work Tools, Inc Dba Caterpillar, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-289-3127?

NSN 5331-01-289-3127 has 1 cross-referenced part number: 18030 (Caterpillar Work Tools, Inc Dba Caterpillar).

What NSN replaces 5331-01-289-3127?

There are 9 known substitutes for 5331-01-289-3127: 5133-00-189-9275, 4710-00-788-1033, 5930-00-938-1126 and 6 more. Verify interchangeability with system specifications before substitution.

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