PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

300230O-Ring

Ships Machinery International, Inc. · NSN 5331-01-085-4532 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-085-4532 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-085-4532. Primary manufacturer part number: 300230.
Features
  • O-Ring — FSC 5331
  • Material: RUBBER SYNTHETIC
  • Center Hole Diameter: 210.0 MILLIMETERS NOMINAL MM
  • Cross-Sectional Height: 4.0 MILLIMETERS NOMINAL MM
  • Hardness Rating: 90.0 SHORE DUROMETER A NOMINAL
  • Color: BLACK
  • 2 verified cross-references
  • Primary manufacturer: Ships Machinery International, Inc.
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Synthetic construction
General Description

The O-Ring, cataloged under National Stock Number 5331-01-085-4532, 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.. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-01-085-4532
Primary Part Number300230
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerShips Machinery International, Inc.
StatusACTIVE
MaterialRUBBER SYNTHETIC
Center Hole Diameter210.0 MILLIMETERS NOMINAL MM
Cross-Sectional Height4.0 MILLIMETERS NOMINAL MM
Hardness Rating90.0 SHORE DUROMETER A NOMINAL
ColorBLACK
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5998-00-409-1318300230 INTERCHANGEABLE
Electronic Components Assembly
Dranetz Technologies Inc
5985-00-881-1553128C845H03 INTERCHANGEABLE
Coupler,directional
Northrop Grumman Support Services Corp
5985-01-081-3958 INTERCHANGEABLE
Coupler,directional
5985-01-442-32013002-30 INTERCHANGEABLE
Coupler,directional
Stellant Systems Inc
4930-01-721-3203300.230 INTERCHANGEABLE
Stand Assembly,nozzle and Valve
West Electronics Inc
Cross-Reference Index
Part NumberManufacturer
300230 PRIMARY Ships Machinery International, Inc. (USA)
5/37 Ships Machinery International, Inc. (USA)
Related Parts
5998-00-409-1318INTERCHANGEABLE
ELECTRONIC COMPONENTS ASSEMBLY
300230
5985-00-881-1553INTERCHANGEABLE
COUPLER,DIRECTIONAL
128C845H03
5985-01-081-3958INTERCHANGEABLE
COUPLER,DIRECTIONAL
5985-01-442-3201INTERCHANGEABLE
COUPLER,DIRECTIONAL
3002-30
4930-01-721-3203INTERCHANGEABLE
STAND ASSEMBLY,NOZZLE AND VALVE
300.230

Frequently Asked Questions

What is NSN 5331-01-085-4532?

NSN 5331-01-085-4532 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 5331-01-085-4532?

NSN 5331-01-085-4532 has 2 cross-referenced part numbers: 300230 (Ships Machinery International, Inc.), 5/37 (Ships Machinery International, Inc.).

What NSN replaces 5331-01-085-4532?

There are 5 known substitutes for 5331-01-085-4532: 5998-00-409-1318, 5985-00-881-1553, 5985-01-081-3958 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 300230?

Key specifications for 300230: Material: RUBBER SYNTHETIC; Center Hole Diameter: 210.0 MILLIMETERS NOMINAL MM; End Item Identification: USED ON BOW THRUSTER ONBOARD 378 FT WHEC COAST GUARD VESSELS FT; Cross-Sectional Height: 4.0 MILLIMETERS NOMINAL MM. 6 total characteristics are documented in the Federal Logistics Information System.

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