PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

70974O-Ring

Generac Corp · NSN 5331-01-390-1942 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-390-1942 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-390-1942. Primary manufacturer part number: 70974.
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 5331-01-390-1942, 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. 4 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
NSN5331-01-390-1942
Primary Part Number70974
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerGenerac Corp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
6150-00-723-25217-0974 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Ducommun Labarge Technologies, Inc.
4330-01-350-938970974 INTERCHANGEABLE
Insert
T. F. Hudgins, Incorporated Dba Spinner II Products Div
4720-01-418-705261422 INTERCHANGEABLE
Hose,preformed
Contitech Usa, Inc Dba Veyance Technologies
3110-01-428-260070974 INTERCHANGEABLE
Bearing,ball,annular
Ingersoll-Rand Co Material Handling Div
Cross-Reference Index
Part NumberManufacturer
70974 PRIMARY Generac Corp (USA)
Related Parts
6150-00-723-2521INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
7-0974
4330-01-350-9389INTERCHANGEABLE
INSERT
70974
4720-01-418-7052INTERCHANGEABLE
HOSE,PREFORMED
61422
3110-01-428-2600INTERCHANGEABLE
BEARING,BALL,ANNULAR
70974

Frequently Asked Questions

What is NSN 5331-01-390-1942?

NSN 5331-01-390-1942 is a O-Ring, manufactured by Generac Corp, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-390-1942?

NSN 5331-01-390-1942 has 1 cross-referenced part number: 70974 (Generac Corp).

What NSN replaces 5331-01-390-1942?

There are 4 known substitutes for 5331-01-390-1942: 6150-00-723-2521, 4330-01-350-9389, 4720-01-418-7052 and 1 more. Verify interchangeability with system specifications before substitution.

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