NSN 5925-01-322-1146 — this item is cataloged by the U.S. Government under National Stock Number 5925-01-322-1146. Manufacturer of record part number: 4294023-2.
Operating Voltage Type and Rating Per Pole in Volts: 450.0 AC ALL LOCATIONS
Pole Quantity: 3
2 manufacturer part numbers on file
Manufacturer of record: Whipp & Bourne Inc.
Identification
NSN: 5925-01-322-1146
NIIN: 013221146
FSC: 5925 — Circuit Breakers
FSG: 59 — Electrical and Electronic Equipment Components
Primary part number: 4294023-2
Manufacturer: Whipp & Bourne Inc.
General Description
The Circuit Breaker, cataloged under National Stock Number 5925-01-322-1146, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5925-01-322-1146
Primary Part Number
4294023-2
Item Name
Circuit Breaker
FSC / FSG
5925 / 59 — Circuit Breakers
Manufacturer
Whipp & Bourne Inc.
Status
ACTIVE
Operating Voltage Type and Rating Per Pole in Volts
450.0 AC ALL LOCATIONS
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)
Criticality Code
X
⇄Related Items5
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5925-01-324-52594294021-6POSSIBLE MATCH
CIRCUIT BREAKER
Possible match (shared part number)Whipp & Bourne Inc.
5925-01-324-52604294019-8POSSIBLE MATCH
CIRCUIT BREAKER
Possible match (shared part number)Whipp & Bourne Inc.
5925-01-336-68794294026-7POSSIBLE MATCH
CIRCUIT BREAKER
Possible match (shared part number)Whipp & Bourne Inc.
5925-01-336-68814294028-3POSSIBLE MATCH
CIRCUIT BREAKER
Possible match (shared part number)Whipp & Bourne Inc.
5925-01-336-68824294029-1POSSIBLE MATCH
CIRCUIT BREAKER
Possible match (shared part number)Whipp & Bourne Inc.
NSN 5925-01-322-1146 is a Circuit Breaker, manufactured by Whipp & Bourne Inc., classified under FSC 5925, Circuit Breakers. Status: active.
What part numbers are listed for NSN 5925-01-322-1146?
NSN 5925-01-322-1146 has 2 manufacturer part numbers on file: 4294023-2 (Whipp & Bourne Inc.), 4294023-2 (Fki Engineering Ltd T/a Whipp & Bourne).
What NSN replaces 5925-01-322-1146?
5 possible matches (shared part number, not a government interchangeability claim): 5925-01-324-5259, 5925-01-324-5260, 5925-01-336-6879. Verify interchangeability with system specifications before substitution.
What are the specifications of 4294023-2?
Key specifications for 4294023-2: Operating Voltage Type and Rating Per Pole in Volts: 450.0 AC ALL LOCATIONS; Pole Quantity: 3. 2 specifications are documented in the U.S. Government catalog.
Is NSN 5925-01-322-1146 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.