PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

204-0122O-Ring

Smar International Corporation · NSN 5331-01-439-0081 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-439-0081 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-439-0081. Primary manufacturer part number: 204-0122.
Features
  • O-Ring — FSC 5331
  • 2 verified cross-references
  • Primary manufacturer: Smar International Corporation
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-439-0081, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Smar International Corporation. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-01-439-0081
Primary Part Number204-0122
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerSmar International Corporation
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5305-00-215-63180-12-2 INTERCHANGEABLE
Screw,machine
Mission Systems Davenport Inc.
4310-00-319-0312FV83SGA INTERCHANGEABLE
Air Cleaner,intake
Falls Filtration Technologies, Inc.
5905-00-761-6933 INTERCHANGEABLE
Resistor,variable,wire Wound,non
5935-00-876-3169 INTERCHANGEABLE
Clamp,cable,electrical Connector
6520-01-320-64961070144 INTERCHANGEABLE
Tips,hemostasis,dental
Henry Schein, Inc.
5999-01-330-653620-40122 INTERCHANGEABLE
Wire Mesh,knitted
Technical Wire Products, Llc Dba Twp
6750-01-380-1061 INTERCHANGEABLE
Paper,photographic
4510-01-435-09290122 INTERCHANGEABLE
Toilet,marine
Evac North America Inc
Cross-Reference Index
Part NumberManufacturer
0122 Zf Industrieantriebe Witten Gmbh (DEU)
204-0122 PRIMARY Smar International Corporation (USA)
Related Parts
5305-00-215-6318INTERCHANGEABLE
SCREW,MACHINE
0-12-2
4310-00-319-0312INTERCHANGEABLE
AIR CLEANER,INTAKE
FV83SGA
5905-00-761-6933INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
5935-00-876-3169INTERCHANGEABLE
CLAMP,CABLE,ELECTRICAL CONNECTOR
6520-01-320-6496INTERCHANGEABLE
TIPS,HEMOSTASIS,DENTAL
1070144
5999-01-330-6536INTERCHANGEABLE
WIRE MESH,KNITTED
20-40122
6750-01-380-1061INTERCHANGEABLE
PAPER,PHOTOGRAPHIC
4510-01-435-0929INTERCHANGEABLE
TOILET,MARINE
0122

Frequently Asked Questions

What is NSN 5331-01-439-0081?

NSN 5331-01-439-0081 is a O-Ring, manufactured by Smar International Corporation, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-439-0081?

NSN 5331-01-439-0081 has 2 cross-referenced part numbers: 0122 (Zf Industrieantriebe Witten Gmbh), 204-0122 (Smar International Corporation).

What NSN replaces 5331-01-439-0081?

There are 8 known substitutes for 5331-01-439-0081: 5305-00-215-6318, 4310-00-319-0312, 5905-00-761-6933 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 204-0122?

Key specifications for 204-0122: Special Features: BUNA-N MATERIAL; End Item Identification: NSN 6685-01-502-5835 PYROMETER. 2 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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