PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3302-01O-Ring

Watts Automatic Control Valve Inc · NSN 5331-01-394-7919 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-394-7919 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-394-7919. Primary manufacturer part number: 3302-01.
Features
  • O-Ring — FSC 5331
  • 2 verified cross-references
  • Primary manufacturer: Watts Automatic Control Valve Inc
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-394-7919, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Watts Automatic Control Valve Inc. This item has 2 commercial cross-references 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)
ManufacturersWatts Automatic Control Valve Inc (CAGE 0LX27)
Technical Specifications
ParameterValue
NSN5331-01-394-7919
Primary Part Number3302-01
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerWatts Automatic Control Valve Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5950-00-478-1737SM-A-696979 INTERCHANGEABLE
Transformer,power
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
3455-01-041-502350-10508 4533-7 INTERCHANGEABLE
Reamer,machine
Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039
3020-01-319-93980330201 INTERCHANGEABLE
Gear,bevel
Brp Us Inc
Cross-Reference Index
Part NumberManufacturer
10491-4343 Watts Automatic Control Valve Inc (USA)
3302-01 PRIMARY Watts Automatic Control Valve Inc (USA)
Related Parts
5950-00-478-1737INTERCHANGEABLE
TRANSFORMER,POWER
SM-A-696979
3455-01-041-5023INTERCHANGEABLE
REAMER,MACHINE
50-10508 4533-7
3020-01-319-9398INTERCHANGEABLE
GEAR,BEVEL
0330201

Frequently Asked Questions

What is NSN 5331-01-394-7919?

NSN 5331-01-394-7919 is a O-Ring, manufactured by Watts Automatic Control Valve Inc, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-394-7919?

NSN 5331-01-394-7919 has 2 cross-referenced part numbers: 10491-4343 (Watts Automatic Control Valve Inc), 3302-01 (Watts Automatic Control Valve Inc).

What NSN replaces 5331-01-394-7919?

There are 3 known substitutes for 5331-01-394-7919: 5950-00-478-1737, 3455-01-041-5023, 3020-01-319-9398. Verify interchangeability with system specifications before substitution.

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