PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1001511O-Ring

Ships Machinery International, Inc. · NSN 5331-01-338-5555 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-338-5555 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-338-5555. Primary manufacturer part number: 1001511.
Features
  • O-Ring — FSC 5331
  • 4 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 5331-01-338-5555, 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 4 commercial cross-references from 3 manufacturers, 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); Koninklijke Marine Dmkm Pfs, Platformsystemen (CAGE H0H28); Schottel, Inc. (CAGE 1C4B7)
Technical Specifications
ParameterValue
NSN5331-01-338-5555
Primary Part Number1001511
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerShips Machinery International, Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5905-00-432-0394 INTERCHANGEABLE
Resistor,fixed,film
6220-01-415-154041604-1 INTERCHANGEABLE
Panel,indicating,light Transmitt
Fleet Readiness Center East Div Department of Navy
5306-01-625-92191174430 INTERCHANGEABLE
Bolt,square Neck
Fastenal Company Dba Fastenal Co
Cross-Reference Index
Part NumberManufacturer
SK-0037 POS. 1 Ships Machinery International, Inc. (USA)
1001511 PRIMARY Ships Machinery International, Inc. (USA)
OR235X4NBR-70 Koninklijke Marine Dmkm Pfs, Platformsystemen (NLD)
1001511 Schottel, Inc. (USA)
Related Parts
5905-00-432-0394INTERCHANGEABLE
RESISTOR,FIXED,FILM
6220-01-415-1540INTERCHANGEABLE
PANEL,INDICATING,LIGHT TRANSMITT
41604-1
5306-01-625-9219INTERCHANGEABLE
BOLT,SQUARE NECK
1174430

Frequently Asked Questions

What is NSN 5331-01-338-5555?

NSN 5331-01-338-5555 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 5331-01-338-5555?

NSN 5331-01-338-5555 has 4 cross-referenced part numbers: SK-0037 POS. 1 (Ships Machinery International, Inc.), 1001511 (Ships Machinery International, Inc.), OR235X4NBR-70 (Koninklijke Marine Dmkm Pfs, Platformsystemen), 1001511 (Schottel, Inc.).

What NSN replaces 5331-01-338-5555?

There are 3 known substitutes for 5331-01-338-5555: 5905-00-432-0394, 6220-01-415-1540, 5306-01-625-9219. Verify interchangeability with system specifications before substitution.

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