PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

205855O-Ring

Cummins Inc. · NSN 5331-01-202-2544 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-202-2544 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-202-2544. Primary manufacturer part number: 205855.
Features
  • O-Ring — FSC 5331
  • 3 verified cross-references
  • Primary manufacturer: Cummins Inc.
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-202-2544, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Cummins Inc.. This item has 3 commercial cross-references from 3 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)
ManufacturersNimikkeistokeskus Ncb Finland (CAGE A486G); Cummins Inc. (CAGE 15434); Cummins Ltd (CAGE K4843)
Technical Specifications
ParameterValue
NSN5331-01-202-2544
Primary Part Number205855
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerCummins Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
3110-00-554-32811304S INTERCHANGEABLE
Bearing,ball,annular
Ntn Bearing Corporation of America
4820-01-152-7696MV-1261-S INTERCHANGEABLE
Valve,calibrated Flow
Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division
5330-01-155-1841400004-5 INTERCHANGEABLE
Retainer,packing
Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division
5970-01-236-07755612-26-31 INTERCHANGEABLE
Insulator,washer
Seastrom Manufacturing Co Inc
5930-01-304-2197 INTERCHANGEABLE
Switch Assembly
2520-01-416-85982-05855 INTERCHANGEABLE
Ring,drive Plate,transmission
Rockford Powertrain Inc Div Powertrain Rockford, Inc.
Cross-Reference Index
Part NumberManufacturer
10345138 Nimikkeistokeskus Ncb Finland (FIN)
205855 PRIMARY Cummins Inc. (USA)
205855 Cummins Ltd (GBR)
Related Parts
3110-00-554-3281INTERCHANGEABLE
BEARING,BALL,ANNULAR
1304S
4820-01-152-7696INTERCHANGEABLE
VALVE,CALIBRATED FLOW
MV-1261-S
5330-01-155-1841INTERCHANGEABLE
RETAINER,PACKING
400004-5
5970-01-236-0775INTERCHANGEABLE
INSULATOR,WASHER
5612-26-31
5930-01-304-2197INTERCHANGEABLE
SWITCH ASSEMBLY
2520-01-416-8598INTERCHANGEABLE
RING,DRIVE PLATE,TRANSMISSION
2-05855

Frequently Asked Questions

What is NSN 5331-01-202-2544?

NSN 5331-01-202-2544 is a O-Ring, manufactured by Cummins Inc., classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-202-2544?

NSN 5331-01-202-2544 has 3 cross-referenced part numbers: 10345138 (Nimikkeistokeskus Ncb Finland), 205855 (Cummins Inc.), 205855 (Cummins Ltd).

What NSN replaces 5331-01-202-2544?

There are 6 known substitutes for 5331-01-202-2544: 3110-00-554-3281, 4820-01-152-7696, 5330-01-155-1841 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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