PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1001478O-Ring

Ships Machinery International, Inc. · NSN 5331-01-297-3003 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-297-3003 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-297-3003. Primary manufacturer part number: 1001478.
Features
  • O-Ring — FSC 5331
  • 2 verified cross-references
  • Primary manufacturer: Ships Machinery International, Inc.
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-297-3003, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Ships Machinery International, Inc.. This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameO-Ring
FSC / FSG5331 — O-Ring (FSG 53)
ManufacturersShips Machinery International, Inc. (CAGE 32862)
Technical Specifications
ParameterValue
NSN5331-01-297-3003
Primary Part Number1001478
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerShips Machinery International, Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
4730-01-123-38181001-478 INTERCHANGEABLE
Strainer Element,sediment
Donaldson Company, Inc.
5950-01-334-1286100-1478 INTERCHANGEABLE
Transformer,power
Kepco, Inc. Dba Kepco Inc Div Kepco Dynatronix
2910-01-545-0073FI877 INTERCHANGEABLE
Filter Element,fluid
Fascan International, Inc.
Cross-Reference Index
Part NumberManufacturer
2001571 ITEM 45 Ships Machinery International, Inc. (USA)
1001478 PRIMARY Ships Machinery International, Inc. (USA)
Related Parts
4730-01-123-3818INTERCHANGEABLE
STRAINER ELEMENT,SEDIMENT
1001-478
5950-01-334-1286INTERCHANGEABLE
TRANSFORMER,POWER
100-1478
2910-01-545-0073INTERCHANGEABLE
FILTER ELEMENT,FLUID
FI877

Frequently Asked Questions

What is NSN 5331-01-297-3003?

NSN 5331-01-297-3003 is a O-Ring, manufactured by Ships Machinery International, Inc., classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-297-3003?

NSN 5331-01-297-3003 has 2 cross-referenced part numbers: 2001571 ITEM 45 (Ships Machinery International, Inc.), 1001478 (Ships Machinery International, Inc.).

What NSN replaces 5331-01-297-3003?

There are 3 known substitutes for 5331-01-297-3003: 4730-01-123-3818, 5950-01-334-1286, 2910-01-545-0073. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com