NSN 5925-01-322-3979 — this item is cataloged by the U.S. Government under National Stock Number 5925-01-322-3979. Manufacturer of record part number: 4284031-1.
FSG: 59 — Electrical and Electronic Equipment Components
Primary part number: 4284031-1
Manufacturer: Whipp & Bourne Inc.
General Description
The Circuit Breaker, cataloged under National Stock Number 5925-01-322-3979, is classified within Federal Supply Class 5925 (Circuit Breakers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Whipp & Bourne Inc.. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5925-01-322-3979
Primary Part Number
4284031-1
Item Name
Circuit Breaker
FSC / FSG
5925 / 59 — Circuit Breakers
Manufacturer
Whipp & Bourne Inc.
Status
ACTIVE
Reset Method
AUTOMATIC
Pole Quantity
3
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
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Frequently Asked Questions
What is NSN 5925-01-322-3979?
NSN 5925-01-322-3979 is a Circuit Breaker, manufactured by Whipp & Bourne Inc., classified under FSC 5925, Circuit Breakers. Status: active.
What part numbers are listed for NSN 5925-01-322-3979?
NSN 5925-01-322-3979 has 2 manufacturer part numbers on file: 4284031-1 (Fki Engineering Ltd T/a Whipp & Bourne), 4284031-1 (Whipp & Bourne Inc.).
What are the specifications of 4284031-1?
Key specifications for 4284031-1: Reset Method: AUTOMATIC; Pole Quantity: 3; Special Features: FRAME SIZE 1600,450 VOLTS AC,TRIP AMP 1600,60 HZ,12 V AC CONTROL VOLTS,MOUNTING CONNECTION-RMLV,DIMENSIONS 24W X 29 1/8H X 25 1/4D INCHES,INSULATED,DRAW OUT TYPE MOUNTING,TRIP RELEASE E/M V; End Item Identification: SWITCHBOARD. 2 specifications are documented in the U.S. Government catalog.
Is NSN 5925-01-322-3979 hazardous material?
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.