PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

950744O-Ring

Michigan Wheel Operations, Llc · NSN 5331-01-633-3370 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-633-3370 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-633-3370. Primary manufacturer part number: 950744.
Features
  • O-Ring — FSC 5331
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
  • Material Document and Classification: BUNA-N MFR REF SINGLE MATERIAL RESPONSE
  • 1 verified cross-reference
  • Primary manufacturer: Michigan Wheel Operations, Llc
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Butadiene-Acrylonitrile Class Nbr construction
General Description

The O-Ring, cataloged under National Stock Number 5331-01-633-3370, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Michigan Wheel Operations, Llc. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-01-633-3370
Primary Part Number950744
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerMichigan Wheel Operations, Llc
StatusACTIVE
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
Material Document and ClassificationBUNA-N MFR REF SINGLE MATERIAL RESPONSE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
6515-01-420-5264 INTERCHANGEABLE
Tube,tracheal
Cross-Reference Index
Part NumberManufacturer
950744 PRIMARY Michigan Wheel Operations, Llc (USA)
Related Parts
6515-01-420-5264INTERCHANGEABLE
TUBE,TRACHEAL

Frequently Asked Questions

What is NSN 5331-01-633-3370?

NSN 5331-01-633-3370 is a O-Ring, manufactured by Michigan Wheel Operations, Llc, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-633-3370?

NSN 5331-01-633-3370 has 1 cross-referenced part number: 950744 (Michigan Wheel Operations, Llc).

What NSN replaces 5331-01-633-3370?

There is 1 known substitute for 5331-01-633-3370: 6515-01-420-5264. Verify interchangeability with system specifications before substitution.

What are the specifications of 950744?

Key specifications for 950744: Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR; Part Name Assigned by Controlling Agency: O-RING, AFT END FAIRWATER CAP; End Item Identification: SENTINEL CLASS FAST RESPONSE CUTTER B (FRC-B); Material Document and Classification: BUNA-N MFR REF SINGLE MATERIAL RESPONSE. 5 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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