PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

726-8839296-F116O-Ring

Naval Sea Systems Command · NSN 5331-01-732-9331 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-732-9331 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-732-9331. Primary manufacturer part number: 726-8839296-F116.
Features
  • O-Ring — FSC 5331
  • 6 verified cross-references
  • Primary manufacturer: Naval Sea Systems Command
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-732-9331, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Naval Sea Systems Command. This item has 6 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameO-Ring
FSC / FSG5331 — O-Ring (FSG 53)
ManufacturersElectric Boat Corporation Div General Dynamics Electric Boat (CAGE 96169); Naval Sea Systems Command (CAGE 53711); Naval Ship Systems Command (CAGE 80064)
Technical Specifications
ParameterValue
NSN5331-01-732-9331
Primary Part Number726-8839296-F116
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerNaval Sea Systems Command
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
4730-01-123-1655810-1385861TYPEGSIZE6IN INTERCHANGEABLE
Flange,pipe
Naval Sea Systems Command
4730-01-515-0176810-1385861TY P 2 1/2IN INTERCHANGEABLE
Flange,pipe
Naval Sea Systems Command
5331-01-732-8664726-8833625-F113 INTERCHANGEABLE
O-Ring
Naval Sea Systems Command
5331-01-732-8671726-8833625-F114 INTERCHANGEABLE
O-Ring
Naval Sea Systems Command
5331-01-732-8677726-8836526-F109 INTERCHANGEABLE
O-Ring
Naval Sea Systems Command
Cross-Reference Index
Part NumberManufacturer
R8641602-F116 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
8833625 Naval Sea Systems Command (USA)
218109437 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
1385861 Naval Ship Systems Command (USA)
LOA027740-F116 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
726-8839296-F116 PRIMARY Naval Sea Systems Command (USA)
Related Parts
4730-01-123-1655INTERCHANGEABLE
FLANGE,PIPE
810-1385861TYPEGSIZE6IN
4730-01-515-0176INTERCHANGEABLE
FLANGE,PIPE
810-1385861TY P 2 1/2IN
5331-01-732-8664INTERCHANGEABLE
O-RING
726-8833625-F113
5331-01-732-8671INTERCHANGEABLE
O-RING
726-8833625-F114
5331-01-732-8677INTERCHANGEABLE
O-RING
726-8836526-F109

Frequently Asked Questions

What is NSN 5331-01-732-9331?

NSN 5331-01-732-9331 is a O-Ring, manufactured by Naval Sea Systems Command, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-732-9331?

NSN 5331-01-732-9331 has 6 cross-referenced part numbers: R8641602-F116 (Electric Boat Corporation Div General Dynamics Electric Boat), 8833625 (Naval Sea Systems Command), 218109437 (Electric Boat Corporation Div General Dynamics Electric Boat), 1385861 (Naval Ship Systems Command), LOA027740-F116 (Electric Boat Corporation Div General Dynamics Electric Boat) and 1 more.

What NSN replaces 5331-01-732-9331?

There are 5 known substitutes for 5331-01-732-9331: 4730-01-123-1655, 4730-01-515-0176, 5331-01-732-8664 and 2 more. Verify interchangeability with system specifications before substitution.

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