PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

906-4O-Ring

Parker Hannifin Corporation Div O-Ring Division · NSN 5331-00-599-2921 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-599-2921 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-599-2921. Primary manufacturer part number: 906-4.
Features
  • O-Ring — FSC 5331
  • Cross-Sectional Height: 0.069 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
  • Material: RUBBER SYNTHETIC
  • Center Hole Diameter: 0.490 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
  • Temp Rating: -65.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF
  • 4 verified cross-references
  • Primary manufacturer: Parker Hannifin Corporation Div O-Ring Division
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Synthetic construction
General Description

The O-Ring, cataloged under National Stock Number 5331-00-599-2921, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Parker Hannifin Corporation Div O-Ring Division. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5331-00-599-2921
Primary Part Number906-4
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerParker Hannifin Corporation Div O-Ring Division
StatusCANCELLED
Cross-Sectional Height0.069 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
MaterialRUBBER SYNTHETIC
Center Hole Diameter0.490 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
Temp Rating-65.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5330-00-030-125374297A INTERCHANGEABLE
Gasket
Ingersoll Rand Co
5120-00-112-93555120-00-112-9355 INTERCHANGEABLE
Bit,screwdriver
General Services Administration Federal Supply Service
2910-00-202-55699064 INTERCHANGEABLE
Filter,fluid
Honeywell International Inc Dba Honeywell Div Consumer Products Group
5310-00-208-68469064-01 INTERCHANGEABLE
Nut,plain,hexagon
Ge Aviation Systems Llc
5935-00-242-77939064 INTERCHANGEABLE
Socket,plug-in Electronic Compon
Eby Group, Llc, the Dba Eby Company Div Eby Company
5305-00-499-50229064 INTERCHANGEABLE
Setscrew
Cummins Inc.
6620-00-526-8723 INTERCHANGEABLE
Gage,pressure,dial Indicating
4030-00-599-85035514 INTERCHANGEABLE
Rod,anchor
Ngk-Locke, Inc.
5930-00-823-47384L7089-5 INTERCHANGEABLE
Switch Section,rotary
Safran Electronics & Defense, Avionics Usa, Llc Dba Use CAGE Code 879b2 for Cataloging
5340-01-045-05299064 INTERCHANGEABLE
Seat,helical Compression Spring
Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect
Cross-Reference Index
Part NumberManufacturer
906-4 PRIMARY Parker Hannifin Corporation Div O-Ring Division (USA)
17-904 Strohmeyer, Julie a. Dba Julie a. Strohmeyer (USA)
9194770-4 Us Army Aviation and Missile Command (USA)
21C2222-1225 Janke & Company Inc Dba Electronic Brazing Co Div (USA)
Related Parts
5330-00-030-1253INTERCHANGEABLE
GASKET
74297A
5120-00-112-9355INTERCHANGEABLE
BIT,SCREWDRIVER
5120-00-112-9355
2910-00-202-5569INTERCHANGEABLE
FILTER,FLUID
9064
5310-00-208-6846INTERCHANGEABLE
NUT,PLAIN,HEXAGON
9064-01
5935-00-242-7793INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
9064
5305-00-499-5022INTERCHANGEABLE
SETSCREW
9064
6620-00-526-8723INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
4030-00-599-8503INTERCHANGEABLE
ROD,ANCHOR
5514
5930-00-823-4738INTERCHANGEABLE
SWITCH SECTION,ROTARY
4L7089-5
5340-01-045-0529INTERCHANGEABLE
SEAT,HELICAL COMPRESSION SPRING
9064
5310-01-089-6032INTERCHANGEABLE
NUT,PLAIN,HEXAGON
9064
6130-01-142-8507INTERCHANGEABLE
RECTIFIER,METALLIC
71237

Frequently Asked Questions

What is NSN 5331-00-599-2921?

NSN 5331-00-599-2921 is a O-Ring, manufactured by Parker Hannifin Corporation Div O-Ring Division, classified under FSC 5331 (O-Ring). Status: cancelled.

What are the part numbers for NSN 5331-00-599-2921?

NSN 5331-00-599-2921 has 4 cross-referenced part numbers: 906-4 (Parker Hannifin Corporation Div O-Ring Division), 17-904 (Strohmeyer, Julie a. Dba Julie a. Strohmeyer), 9194770-4 (Us Army Aviation and Missile Command), 21C2222-1225 (Janke & Company Inc Dba Electronic Brazing Co Div).

What NSN replaces 5331-00-599-2921?

There are 12 known substitutes for 5331-00-599-2921: 5330-00-030-1253, 5120-00-112-9355, 2910-00-202-5569 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 906-4?

Key specifications for 906-4: Cross-Sectional Height: 0.069 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN; Material: RUBBER SYNTHETIC; Center Hole Diameter: 0.490 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN; Temp Rating: -65.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF. 4 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5331-00-599-2921 still in active supply?

NSN 5331-00-599-2921 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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