PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

LON-103A 10/2O-Ring

Ulstein Usa Inc · NSN 5331-01-315-3438 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-315-3438 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-315-3438. Primary manufacturer part number: LON-103A 10/2.
Features
  • O-Ring — FSC 5331
  • 9 verified cross-references
  • Primary manufacturer: Ulstein Usa Inc
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-315-3438, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Ulstein Usa Inc. This item has 9 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameO-Ring
FSC / FSG5331 — O-Ring (FSG 53)
ManufacturersUlstein Usa Inc (CAGE 0JKF4); Kongsberg Maritime Netherlands B.v. (CAGE H1E10); Zf Industrieantriebe Witten Gmbh (CAGE D9182); Rolls-Royce Marine North America Inc (CAGE 1TH76)
Technical Specifications
ParameterValue
NSN5331-01-315-3438
Primary Part NumberLON-103A 10/2
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerUlstein Usa Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5935-00-204-8160 INTERCHANGEABLE
Socket,plug-in Electronic Compon
6105-01-074-436023378 INTERCHANGEABLE
Motor,direct Current
Ballantyne of Omaha Inc.
5950-01-075-1189 INTERCHANGEABLE
Coil,radio Frequency
6695-01-299-4711 INTERCHANGEABLE
Power Supply Board
4730-01-440-238623378 INTERCHANGEABLE
Plug,pipe
Paccar Winch Inc Dba Paccar Winch Division
Cross-Reference Index
Part NumberManufacturer
LON-103A 10/2 Ulstein Usa Inc (USA)
L566/40-11 Ulstein Usa Inc (USA)
23378 Ulstein Usa Inc (USA)
023378 Kongsberg Maritime Netherlands B.v. (NLD)
LON-103A 10/2 Zf Industrieantriebe Witten Gmbh (DEU)
23378 Rolls-Royce Marine North America Inc (USA)
L566/40-11 Rolls-Royce Marine North America Inc (USA)
023378 Rolls-Royce Marine North America Inc (USA)
566/44 ITEM 11 Kongsberg Maritime Netherlands B.v. (NLD)
Related Parts
5935-00-204-8160INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
6105-01-074-4360INTERCHANGEABLE
MOTOR,DIRECT CURRENT
23378
5950-01-075-1189INTERCHANGEABLE
COIL,RADIO FREQUENCY
6695-01-299-4711INTERCHANGEABLE
POWER SUPPLY BOARD
4730-01-440-2386INTERCHANGEABLE
PLUG,PIPE
23378

Frequently Asked Questions

What is NSN 5331-01-315-3438?

NSN 5331-01-315-3438 is a O-Ring, manufactured by Ulstein Usa Inc, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-315-3438?

NSN 5331-01-315-3438 has 9 cross-referenced part numbers: LON-103A 10/2 (Ulstein Usa Inc), L566/40-11 (Ulstein Usa Inc), 23378 (Ulstein Usa Inc), 023378 (Kongsberg Maritime Netherlands B.v.), LON-103A 10/2 (Zf Industrieantriebe Witten Gmbh) and 4 more.

What NSN replaces 5331-01-315-3438?

There are 5 known substitutes for 5331-01-315-3438: 5935-00-204-8160, 6105-01-074-4360, 5950-01-075-1189 and 2 more. Verify interchangeability with system specifications before substitution.

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