PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

38780O-Ring

Brunswick Corp Dba Mercury Marine Div Mercury Marine · NSN 5331-01-604-4612 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-604-4612 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-604-4612. Primary manufacturer part number: 38780.
Features
  • O-Ring — FSC 5331
  • 1 verified cross-reference
  • Primary manufacturer: Brunswick Corp Dba Mercury Marine Div Mercury Marine
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-604-4612, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Brunswick Corp Dba Mercury Marine Div Mercury Marine. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-01-604-4612
Primary Part Number38780
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerBrunswick Corp Dba Mercury Marine Div Mercury Marine
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5330-00-349-9125 INTERCHANGEABLE
Seal,plain Encased
6650-01-418-868138780 INTERCHANGEABLE
Retainer,optical Element
Elbitamerica, Inc.
Cross-Reference Index
Part NumberManufacturer
38780 PRIMARY Brunswick Corp Dba Mercury Marine Div Mercury Marine (USA)
Related Parts
5330-00-349-9125INTERCHANGEABLE
SEAL,PLAIN ENCASED
6650-01-418-8681INTERCHANGEABLE
RETAINER,OPTICAL ELEMENT
38780

Frequently Asked Questions

What is NSN 5331-01-604-4612?

NSN 5331-01-604-4612 is a O-Ring, manufactured by Brunswick Corp Dba Mercury Marine Div Mercury Marine, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-604-4612?

NSN 5331-01-604-4612 has 1 cross-referenced part number: 38780 (Brunswick Corp Dba Mercury Marine Div Mercury Marine).

What NSN replaces 5331-01-604-4612?

There are 2 known substitutes for 5331-01-604-4612: 5330-00-349-9125, 6650-01-418-8681. Verify interchangeability with system specifications before substitution.

What are the specifications of 38780?

Key specifications for 38780: End Item Identification: ENGINE OUTBOARD; Part Name Assigned by Controlling Agency: O-RING. 2 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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