PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

0100240018O-Ring

Parker Hannifin Corporation Dba Pneutronics Div Cylinder Division · NSN 5331-01-521-3186 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-521-3186 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-521-3186. Primary manufacturer part number: 0100240018.
Features
  • O-Ring — FSC 5331
  • 3 verified cross-references
  • Primary manufacturer: Parker Hannifin Corporation Dba Pneutronics Div Cylinder Division
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-521-3186, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Parker Hannifin Corporation Dba Pneutronics Div Cylinder Division. This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameO-Ring
FSC / FSG5331 — O-Ring (FSG 53)
ManufacturersParker-Hannifin Corporation Div Cylinder Division (CAGE 95208); Parker Hannifin Corporation Dba Pneutronics Div Cylinder Division (CAGE 84561)
Technical Specifications
ParameterValue
NSN5331-01-521-3186
Primary Part Number0100240018
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerParker Hannifin Corporation Dba Pneutronics Div Cylinder Division
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5315-01-673-1707801518 INTERCHANGEABLE
Pin,quick Release
Jergens Inc Div Tooling Components Division
Cross-Reference Index
Part NumberManufacturer
95142079 ITEM 59 Parker-Hannifin Corporation Div Cylinder Division (USA)
0100240018 PRIMARY Parker Hannifin Corporation Dba Pneutronics Div Cylinder Division (USA)
801518 Parker-Hannifin Corporation Div Cylinder Division (USA)
Related Parts
5315-01-673-1707INTERCHANGEABLE
PIN,QUICK RELEASE
801518

Frequently Asked Questions

What is NSN 5331-01-521-3186?

NSN 5331-01-521-3186 is a O-Ring, manufactured by Parker Hannifin Corporation Dba Pneutronics Div Cylinder Division, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-521-3186?

NSN 5331-01-521-3186 has 3 cross-referenced part numbers: 95142079 ITEM 59 (Parker-Hannifin Corporation Div Cylinder Division), 0100240018 (Parker Hannifin Corporation Dba Pneutronics Div Cylinder Division), 801518 (Parker-Hannifin Corporation Div Cylinder Division).

What NSN replaces 5331-01-521-3186?

There is 1 known substitute for 5331-01-521-3186: 5315-01-673-1707. Verify interchangeability with system specifications before substitution.

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