PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

LON-104B37X3O-Ring

Ulstein Usa Inc · NSN 5331-01-315-3435 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-315-3435 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-315-3435. Primary manufacturer part number: LON-104B37X3.
Features
  • O-Ring — FSC 5331
  • 5 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 5331-01-315-3435, 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 5 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)
ManufacturersUlstein Usa Inc (CAGE 0JKF4); Zf Industrieantriebe Witten Gmbh (CAGE D9182); Rolls-Royce Marine North America Inc (CAGE 1TH76)
Technical Specifications
ParameterValue
NSN5331-01-315-3435
Primary Part NumberLON-104B37X3
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerUlstein Usa Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
3110-00-157-608612940G INTERCHANGEABLE
Bearing,ball,annular
Ametek Inc Lamb Electric Div
5330-00-286-718960978 INTERCHANGEABLE
Seal,plain Encased
Mitsubishi Caterpillar Forklift America, Inc
5998-01-137-100223391 INTERCHANGEABLE
Circuit Card Assembly
Smiths Aerospace, Inc., Electronic Systems-Grand Rapids
3110-01-397-0173R9098 INTERCHANGEABLE
Bearing,ball,annular
Manitou North America Inc
4210-01-468-020023-391 INTERCHANGEABLE
Actuation Station,fire Suppressi
Kidde Technologies, Inc Div Kidde Aerospace and Defense
6532-01-596-1700NON24280 INTERCHANGEABLE
Apron,surgeon's
Medline Industries, Lp
Cross-Reference Index
Part NumberManufacturer
LON-104B37X3 Ulstein Usa Inc (USA)
LON-104B37X3 Zf Industrieantriebe Witten Gmbh (DEU)
23391 Ulstein Usa Inc (USA)
LON0104B37X3 Rolls-Royce Marine North America Inc (USA)
23391 Rolls-Royce Marine North America Inc (USA)
Related Parts
3110-00-157-6086INTERCHANGEABLE
BEARING,BALL,ANNULAR
12940G
5330-00-286-7189INTERCHANGEABLE
SEAL,PLAIN ENCASED
60978
5998-01-137-1002INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
23391
3110-01-397-0173INTERCHANGEABLE
BEARING,BALL,ANNULAR
R9098
4210-01-468-0200INTERCHANGEABLE
ACTUATION STATION,FIRE SUPPRESSI
23-391
6532-01-596-1700INTERCHANGEABLE
APRON,SURGEON'S
NON24280

Frequently Asked Questions

What is NSN 5331-01-315-3435?

NSN 5331-01-315-3435 is a O-Ring, manufactured by Ulstein Usa Inc, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-315-3435?

NSN 5331-01-315-3435 has 5 cross-referenced part numbers: LON-104B37X3 (Ulstein Usa Inc), LON-104B37X3 (Zf Industrieantriebe Witten Gmbh), 23391 (Ulstein Usa Inc), LON0104B37X3 (Rolls-Royce Marine North America Inc), 23391 (Rolls-Royce Marine North America Inc).

What NSN replaces 5331-01-315-3435?

There are 6 known substitutes for 5331-01-315-3435: 3110-00-157-6086, 5330-00-286-7189, 5998-01-137-1002 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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