NSN 5925-01-549-6326 — this item is cataloged by the U.S. Government under National Stock Number 5925-01-549-6326. Manufacturer of record part number: QCF1020.
Manufacturer of record: Eaton Corp Aerospace Commercial Controls Div
Identification
NSN: 5925-01-549-6326
NIIN: 015496326
FSC: 5925 — Circuit Breakers
FSG: 59 — Electrical and Electronic Equipment Components
Primary part number: QCF1020
Manufacturer: Eaton Corp Aerospace Commercial Controls Div
General Description
The Circuit Breaker, cataloged under National Stock Number 5925-01-549-6326, is classified within Federal Supply Class 5925 (Circuit Breakers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Eaton Corp Aerospace Commercial Controls Div. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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
5925-01-549-6326
Primary Part Number
QCF1020
Item Name
Circuit Breaker
FSC / FSG
5925 / 59 — Circuit Breakers
Manufacturer
Eaton Corp Aerospace Commercial Controls Div
Status
ACTIVE
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 Items2
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5998-01-661-878718091POSSIBLE MATCH
CIRCUIT CARD ASSEMBLY
Possible match (shared part number)Lockheed Martin Corporation
5305-01-668-649418091POSSIBLE MATCH
SCREW,MACHINE
Possible match (shared part number)Consolidated Sewing Machine Corp
Eaton Corp Aerospace Commercial Controls Div (USA)
Reference documents
Reference
Meaning
QCF1020
5/9Secondary reference
Generac Mobile Products, Llc
Related Parts
5998-01-661-8787POSSIBLE MATCH
CIRCUIT CARD ASSEMBLY
18091
5305-01-668-6494POSSIBLE MATCH
SCREW,MACHINE
18091
Frequently Asked Questions
What is NSN 5925-01-549-6326?
NSN 5925-01-549-6326 is a Circuit Breaker, manufactured by Eaton Corp Aerospace Commercial Controls Div, classified under FSC 5925, Circuit Breakers. Status: active.
What part numbers are listed for NSN 5925-01-549-6326?
NSN 5925-01-549-6326 has 2 manufacturer part numbers on file: 18091 (Generac Mobile Products, Llc), QCF1020 (Eaton Corp Aerospace Commercial Controls Div).
What NSN replaces 5925-01-549-6326?
2 possible matches (shared part number, not a government interchangeability claim): 5998-01-661-8787, 5305-01-668-6494. Verify interchangeability with system specifications before substitution.
What are the specifications of QCF1020?
Key specifications for QCF1020: Special Features: 20 AMP, 240 VOLT BREAKER; Part Name Assigned by Controlling Agency: BREAKER; End Item Identification: 6115-01-531-0571, 20KW GENERATOR SET. 0 specifications are documented in the U.S. Government catalog.
Is NSN 5925-01-549-6326 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.