PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

300243O-Ring

Ships Machinery International, Inc. · NSN 5331-00-768-8559 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-768-8559 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-768-8559. Primary manufacturer part number: 300243.
Features
  • O-Ring — FSC 5331
  • Cross-Sectional Height: 0.157 INCHES NOMINAL IN
  • Color: BLACK
  • Material: RUBBER SYNTHETIC
  • Center Hole Diameter: 12.992 INCHES NOMINAL IN
  • 3 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 5331-00-768-8559, 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 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-00-768-8559
Primary Part Number300243
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerShips Machinery International, Inc.
StatusACTIVE
Cross-Sectional Height0.157 INCHES NOMINAL IN
ColorBLACK
MaterialRUBBER SYNTHETIC
Center Hole Diameter12.992 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5910-01-015-8209219-758-150 INTERCHANGEABLE
Capacitor,fixed,electrolytic
Automatic Switch Company Dba Asco
5915-01-269-690341FA-800/1250-SR INTERCHANGEABLE
Filter,radio Frequency Interfere
Smiths Interconnect Americas, Inc.
5330-01-545-5449GSC315 INTERCHANGEABLE
Gasket and Seal Set
Fascan International, Inc.
5331-01-624-922130-0243 INTERCHANGEABLE
O-Ring
Parker Hannifin Corporation Div Village Marine Tech
Cross-Reference Index
Part NumberManufacturer
300243 PRIMARY Ships Machinery International, Inc. (USA)
1001466 Ships Machinery International, Inc. (USA)
5-36 Ships Machinery International, Inc. (USA)
Related Parts
5910-01-015-8209INTERCHANGEABLE
CAPACITOR,FIXED,ELECTROLYTIC
219-758-150
5915-01-269-6903INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
41FA-800/1250-SR
5330-01-545-5449INTERCHANGEABLE
GASKET AND SEAL SET
GSC315
5331-01-624-9221INTERCHANGEABLE
O-RING
30-0243

Frequently Asked Questions

What is NSN 5331-00-768-8559?

NSN 5331-00-768-8559 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 5331-00-768-8559?

NSN 5331-00-768-8559 has 3 cross-referenced part numbers: 300243 (Ships Machinery International, Inc.), 1001466 (Ships Machinery International, Inc.), 5-36 (Ships Machinery International, Inc.).

What NSN replaces 5331-00-768-8559?

There are 4 known substitutes for 5331-00-768-8559: 5910-01-015-8209, 5915-01-269-6903, 5330-01-545-5449 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 300243?

Key specifications for 300243: Cross-Sectional Height: 0.157 INCHES NOMINAL IN; Color: BLACK; Material: RUBBER SYNTHETIC; End Item Identification: USED IN MODEL SRP-225 SHOTTEL BOW THRUSTER ONBOARD 378 FT WHEC COAST GUARD VESSELS FT. 5 total characteristics are documented in the Federal Logistics Information System.

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