PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

71950O-Ring

Generac Corp · NSN 5331-01-390-1952 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-390-1952 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-390-1952. Primary manufacturer part number: 71950.
Features
  • O-Ring — FSC 5331
  • 1 verified cross-reference
  • Primary manufacturer: Generac Corp
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-390-1952, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Generac Corp. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameO-Ring
FSC / FSG5331 — O-Ring (FSG 53)
ManufacturersGenerac Corp (CAGE 28813)
Technical Specifications
ParameterValue
NSN5331-01-390-1952
Primary Part Number71950
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerGenerac Corp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
2530-00-422-9720236979N INTERCHANGEABLE
Plate,treadle Mounting Brake
Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems
5310-00-687-771671950 INTERCHANGEABLE
Nut,plain,slotted,hexagon
Textron Lycoming Inc Williamsport Plant
5950-01-069-6083 INTERCHANGEABLE
Transformer,radio Frequency
Cross-Reference Index
Part NumberManufacturer
71950 PRIMARY Generac Corp (USA)
Related Parts
2530-00-422-9720INTERCHANGEABLE
PLATE,TREADLE MOUNTING BRAKE
236979N
5310-00-687-7716INTERCHANGEABLE
NUT,PLAIN,SLOTTED,HEXAGON
71950
5950-01-069-6083INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY

Frequently Asked Questions

What is NSN 5331-01-390-1952?

NSN 5331-01-390-1952 is a O-Ring, manufactured by Generac Corp, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-390-1952?

NSN 5331-01-390-1952 has 1 cross-referenced part number: 71950 (Generac Corp).

What NSN replaces 5331-01-390-1952?

There are 3 known substitutes for 5331-01-390-1952: 2530-00-422-9720, 5310-00-687-7716, 5950-01-069-6083. Verify interchangeability with system specifications before substitution.

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