PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8-229O-Ring

Freudenberg-Nok General Partnership · NSN 5331-01-270-1264 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-270-1264 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-270-1264. Primary manufacturer part number: 8-229.
Features
  • O-Ring — FSC 5331
  • 2 verified cross-references
  • Primary manufacturer: Freudenberg-Nok General Partnership
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-270-1264, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Freudenberg-Nok General Partnership. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameO-Ring
FSC / FSG5331 — O-Ring (FSG 53)
ManufacturersFreudenberg-Nok General Partnership (CAGE 05262); Parker-Hannifin Corp Div O-Ring Division (CAGE 02697)
Technical Specifications
ParameterValue
NSN5331-01-270-1264
Primary Part Number8-229
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerFreudenberg-Nok General Partnership
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5905-00-259-2800JS1W200P503RA INTERCHANGEABLE
Resistor,variable,nonwire Wound,
Rockwell Automation, Inc. Dba Rockwell Automation
4310-00-288-12288229 INTERCHANGEABLE
Ring,piston
Kaydon Ring & Seal Inc Dba Skf Precision Technologies
4730-00-630-04230141170-422 INTERCHANGEABLE
Reducer,pipe
Cleveland Service Center
5315-01-432-0943 INTERCHANGEABLE
Pin,straight,headless
5315-01-462-8346741186-A INTERCHANGEABLE
Pin,shoulder,headless
L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.
5940-01-510-98688229 INTERCHANGEABLE
Terminal Spade
Keystone Electronics Corp
Cross-Reference Index
Part NumberManufacturer
8-229 Freudenberg-Nok General Partnership (USA)
8-229 Parker-Hannifin Corp Div O-Ring Division (USA)
Related Parts
5905-00-259-2800INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
JS1W200P503RA
4310-00-288-1228INTERCHANGEABLE
RING,PISTON
8229
4730-00-630-0423INTERCHANGEABLE
REDUCER,PIPE
0141170-422
5315-01-432-0943INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
5315-01-462-8346INTERCHANGEABLE
PIN,SHOULDER,HEADLESS
741186-A
5940-01-510-9868INTERCHANGEABLE
TERMINAL SPADE
8229

Frequently Asked Questions

What is NSN 5331-01-270-1264?

NSN 5331-01-270-1264 is a O-Ring, manufactured by Freudenberg-Nok General Partnership, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-270-1264?

NSN 5331-01-270-1264 has 2 cross-referenced part numbers: 8-229 (Freudenberg-Nok General Partnership), 8-229 (Parker-Hannifin Corp Div O-Ring Division).

What NSN replaces 5331-01-270-1264?

There are 6 known substitutes for 5331-01-270-1264: 5905-00-259-2800, 4310-00-288-1228, 4730-00-630-0423 and 3 more. Verify interchangeability with system specifications before substitution.

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