PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

726-8833625-F113O-Ring

Naval Sea Systems Command · NSN 5331-01-732-8664 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-732-8664 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-732-8664. Primary manufacturer part number: 726-8833625-F113.
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 5331-01-732-8664, 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 Ship Systems Command (CAGE 80064); Naval Sea Systems Command (CAGE 53711)
Technical Specifications
ParameterValue
NSN5331-01-732-8664
Primary Part Number726-8833625-F113
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
5331-01-732-8671726-8833625-F114 INTERCHANGEABLE
O-Ring
Naval Sea Systems Command
5331-01-732-8677726-8836526-F109 INTERCHANGEABLE
O-Ring
Naval Sea Systems Command
5331-01-732-9331726-8839296-F116 INTERCHANGEABLE
O-Ring
Naval Sea Systems Command
Cross-Reference Index
Part NumberManufacturer
R5231708-F113 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
218109434 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
LOA018312-F113 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
1385861 Naval Ship Systems Command (USA)
8833625 Naval Sea Systems Command (USA)
726-8833625-F113 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
5331-01-732-8671INTERCHANGEABLE
O-RING
726-8833625-F114
5331-01-732-8677INTERCHANGEABLE
O-RING
726-8836526-F109
5331-01-732-9331INTERCHANGEABLE
O-RING
726-8839296-F116

Frequently Asked Questions

What is NSN 5331-01-732-8664?

NSN 5331-01-732-8664 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 5331-01-732-8664?

NSN 5331-01-732-8664 has 6 cross-referenced part numbers: R5231708-F113 (Electric Boat Corporation Div General Dynamics Electric Boat), 218109434 (Electric Boat Corporation Div General Dynamics Electric Boat), LOA018312-F113 (Electric Boat Corporation Div General Dynamics Electric Boat), 1385861 (Naval Ship Systems Command), 8833625 (Naval Sea Systems Command) and 1 more.

What NSN replaces 5331-01-732-8664?

There are 5 known substitutes for 5331-01-732-8664: 4730-01-123-1655, 4730-01-515-0176, 5331-01-732-8671 and 2 more. Verify interchangeability with system specifications before substitution.

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