PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

P-203O-Ring

Alfred Conhagen, Inc. · NSN 5331-01-419-4441 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-419-4441 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-419-4441. Primary manufacturer part number: P-203.
Features
  • O-Ring — FSC 5331
  • 2 verified cross-references
  • Primary manufacturer: Alfred Conhagen, Inc.
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-419-4441, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Alfred Conhagen, Inc.. This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameO-Ring
FSC / FSG5331 — O-Ring (FSG 53)
ManufacturersAlfred Conhagen, Inc. (CAGE 71639)
Technical Specifications
ParameterValue
NSN5331-01-419-4441
Primary Part NumberP-203
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerAlfred Conhagen, Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
6625-00-037-0131P203 INTERCHANGEABLE
Universal Module
North Atlantic Industries, Inc. Dba North Atlantic Industries
6810-00-236-5362 INTERCHANGEABLE
Potassium Bromate
2940-00-529-2738122-0037 INTERCHANGEABLE
Filter Element,fluid
Cummins Power Generation Inc.
2940-00-671-4552100 INTERCHANGEABLE
Filter Element,fluid
Deluxe Products Div Walker Mfg Co
4730-01-082-4675P203 INTERCHANGEABLE
Plug,pipe,magnetic
Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix
4710-01-271-2002 INTERCHANGEABLE
Pipe,plastic
6110-01-465-0143P203 INTERCHANGEABLE
Panel,power Distribution
Con-Tech Power Systems Iinc. Bernilled Plantcryogenicsschool of Medicine and Placement of Household Managers and Butlers
Cross-Reference Index
Part NumberManufacturer
AA-1114 ITEM 12 Alfred Conhagen, Inc. (USA)
P-203 PRIMARY Alfred Conhagen, Inc. (USA)
Related Parts
6625-00-037-0131INTERCHANGEABLE
UNIVERSAL MODULE
P203
6810-00-236-5362INTERCHANGEABLE
POTASSIUM BROMATE
2940-00-529-2738INTERCHANGEABLE
FILTER ELEMENT,FLUID
122-0037
2940-00-671-4552INTERCHANGEABLE
FILTER ELEMENT,FLUID
100
4730-01-082-4675INTERCHANGEABLE
PLUG,PIPE,MAGNETIC
P203
4710-01-271-2002INTERCHANGEABLE
PIPE,PLASTIC
6110-01-465-0143INTERCHANGEABLE
PANEL,POWER DISTRIBUTION
P203

Frequently Asked Questions

What is NSN 5331-01-419-4441?

NSN 5331-01-419-4441 is a O-Ring, manufactured by Alfred Conhagen, Inc., classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-419-4441?

NSN 5331-01-419-4441 has 2 cross-referenced part numbers: AA-1114 ITEM 12 (Alfred Conhagen, Inc.), P-203 (Alfred Conhagen, Inc.).

What NSN replaces 5331-01-419-4441?

There are 7 known substitutes for 5331-01-419-4441: 6625-00-037-0131, 6810-00-236-5362, 2940-00-529-2738 and 4 more. Verify interchangeability with system specifications before substitution.

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