PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

R49388-904GO-Ring

Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions · NSN 5331-01-265-8813 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-265-8813 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-265-8813. Primary manufacturer part number: R49388-904G.
Features
  • O-Ring — FSC 5331
  • 4 verified cross-references
  • Primary manufacturer: Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-265-8813, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions. This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameO-Ring
FSC / FSG5331 — O-Ring (FSG 53)
ManufacturersArgo Turboserve Corporation Div Argo Turboserve Corp. (CAGE 7Y333); Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (CAGE 88032); Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (CAGE 8FGX3); Curtiss-Wright Electro-Mechanical Corporation Div Epd (CAGE 0UBG9)
Technical Specifications
ParameterValue
NSN5331-01-265-8813
Primary Part NumberR49388-904G
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerCurtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5330-00-752-8316 INTERCHANGEABLE
Retainer,packing
5331-01-554-6218 INTERCHANGEABLE
O-Ring
Cross-Reference Index
Part NumberManufacturer
R49388-904G Argo Turboserve Corporation Div Argo Turboserve Corp. (USA)
R49388-904G Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
R49388-904G PRIMARY Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA)
R49388-904G Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
Related Parts
5330-00-752-8316INTERCHANGEABLE
RETAINER,PACKING
5331-01-554-6218INTERCHANGEABLE
O-RING

Frequently Asked Questions

What is NSN 5331-01-265-8813?

NSN 5331-01-265-8813 is a O-Ring, manufactured by Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-265-8813?

NSN 5331-01-265-8813 has 4 cross-referenced part numbers: R49388-904G (Argo Turboserve Corporation Div Argo Turboserve Corp.), R49388-904G (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), R49388-904G (Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions), R49388-904G (Curtiss-Wright Electro-Mechanical Corporation Div Epd).

What NSN replaces 5331-01-265-8813?

There are 2 known substitutes for 5331-01-265-8813: 5330-00-752-8316, 5331-01-554-6218. Verify interchangeability with system specifications before substitution.

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