PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

P273O-Ring

L.c.doane Company,the Dba Lc Doane Co · NSN 5331-00-063-3628 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-063-3628 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-063-3628. Primary manufacturer part number: P273.
Features
  • O-Ring — FSC 5331
  • Material: RUBBER SILICONE CLASS Q
  • Center Hole Diameter: 4.335 INCHES MINIMUM AND 4.365 INCHES MAXIMUM IN
  • Cross-Sectional Height: 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
  • 3 verified cross-references
  • Primary manufacturer: L.c.doane Company,the Dba Lc Doane Co
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Silicone Class Q construction
General Description

The O-Ring, cataloged under National Stock Number 5331-00-063-3628, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is L.c.doane Company,the Dba Lc Doane Co. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 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.

Technical Specifications
ParameterValue
NSN5331-00-063-3628
Primary Part NumberP273
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerL.c.doane Company,the Dba Lc Doane Co
StatusACTIVE
MaterialRUBBER SILICONE CLASS Q
Center Hole Diameter4.335 INCHES MINIMUM AND 4.365 INCHES MAXIMUM IN
Cross-Sectional Height0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
4530-00-200-4214P-8-10196 INTERCHANGEABLE
Nozzle,oil Burner,pressure Atomi
Lennox Industries Inc
6810-00-241-4752 INTERCHANGEABLE
Potassium Oxalate
2805-00-992-3983254P INTERCHANGEABLE
Piston,internal Combustion Engin
Federal-Mogul Corp Government Sales Dept
3110-01-016-49611936137-2 INTERCHANGEABLE
Bearing,ball,duplex
New Hampshire Ball Bearings Inc Div Hitech Division
2940-01-135-01502501106 INTERCHANGEABLE
Filter Element,fluid
Rolls-Royce Solutions America Inc
Cross-Reference Index
Part NumberManufacturer
P273 PRIMARY L.c.doane Company,the Dba Lc Doane Co (USA)
508885-5 Naval Air Warfare Center Aircraft Division Joint Base Jbmdl (USA)
S6405-74466-56 Naval Ship Systems Command (USA)
Related Parts
4530-00-200-4214INTERCHANGEABLE
NOZZLE,OIL BURNER,PRESSURE ATOMI
P-8-10196
6810-00-241-4752INTERCHANGEABLE
POTASSIUM OXALATE
2805-00-992-3983INTERCHANGEABLE
PISTON,INTERNAL COMBUSTION ENGIN
254P
3110-01-016-4961INTERCHANGEABLE
BEARING,BALL,DUPLEX
1936137-2
2940-01-135-0150INTERCHANGEABLE
FILTER ELEMENT,FLUID
2501106

Frequently Asked Questions

What is NSN 5331-00-063-3628?

NSN 5331-00-063-3628 is a O-Ring, manufactured by L.c.doane Company,the Dba Lc Doane Co, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-00-063-3628?

NSN 5331-00-063-3628 has 3 cross-referenced part numbers: P273 (L.c.doane Company,the Dba Lc Doane Co), 508885-5 (Naval Air Warfare Center Aircraft Division Joint Base Jbmdl), S6405-74466-56 (Naval Ship Systems Command).

What NSN replaces 5331-00-063-3628?

There are 5 known substitutes for 5331-00-063-3628: 4530-00-200-4214, 6810-00-241-4752, 2805-00-992-3983 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of P273?

Key specifications for P273: Material: RUBBER SILICONE CLASS Q; Center Hole Diameter: 4.335 INCHES MINIMUM AND 4.365 INCHES MAXIMUM IN; Cross-Sectional Height: 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN. 3 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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