PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21836O-Ring

Brunswick Corp Dba Mercury Marine Div Mercury Marine · NSN 5331-01-586-8077 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-586-8077 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-586-8077. Primary manufacturer part number: 21836.
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 5331-01-586-8077, 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-01-586-8077
Primary Part Number21836
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerBrunswick Corp Dba Mercury Marine Div Mercury Marine
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5315-00-013-8085103497 INTERCHANGEABLE
Pin,straight,headed
Komatsu America Corporation
3040-00-528-19976479E INTERCHANGEABLE
Lining,friction
Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
5999-01-096-236186395-3 INTERCHANGEABLE
Clip,electrical
Te Connectivity Corporation
3040-01-492-047221836-1002-1 INTERCHANGEABLE
Shaft,shouldered
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
4810-01-492-23442100-1009-1 INTERCHANGEABLE
Flange,gland,valve
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
Cross-Reference Index
Part NumberManufacturer
21836 PRIMARY Brunswick Corp Dba Mercury Marine Div Mercury Marine (USA)
Related Parts
5315-00-013-8085INTERCHANGEABLE
PIN,STRAIGHT,HEADED
103497
3040-00-528-1997INTERCHANGEABLE
LINING,FRICTION
6479E
5999-01-096-2361INTERCHANGEABLE
CLIP,ELECTRICAL
86395-3
3040-01-492-0472INTERCHANGEABLE
SHAFT,SHOULDERED
21836-1002-1
4810-01-492-2344INTERCHANGEABLE
FLANGE,GLAND,VALVE
2100-1009-1

Frequently Asked Questions

What is NSN 5331-01-586-8077?

NSN 5331-01-586-8077 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 5331-01-586-8077?

NSN 5331-01-586-8077 has 1 cross-referenced part number: 21836 (Brunswick Corp Dba Mercury Marine Div Mercury Marine).

What NSN replaces 5331-01-586-8077?

There are 5 known substitutes for 5331-01-586-8077: 5315-00-013-8085, 3040-00-528-1997, 5999-01-096-2361 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21836?

Key specifications for 21836: End Item Identification: ENGINE, OUTBOARD, GAS, 250HP, STD ROTATE; ENGINE, OUTBOARD, GAS, 250HP, CTR ROTATE; Part Name Assigned by Controlling Agency: 0-RING (0.796 X 0.139). 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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