NSN 5925-01-439-9276 — this item is cataloged by the U.S. Government under National Stock Number 5925-01-439-9276. Manufacturer of record part number: 2566-939.
Also searched as5925-01-439-9276 ·
5925014399276 ·
NIIN 014399276 ·
01-439-9276 ·
FSC 5925 Circuit Breakers · CAGE 74006 · 2566-939
Maximum Continuous Load Current Rating Per Pole: 40.0 AMPERES AC ALL LOCATIONS
1 manufacturer part number on file
Manufacturer of record: Reliance Comm/tec Corp Lorain Products Div
Identification
NSN: 5925-01-439-9276
NIIN: 014399276
FSC: 5925 — Circuit Breakers
FSG: 59 — Electrical and Electronic Equipment Components
Primary part number: 2566-939
Manufacturer: Reliance Comm/tec Corp Lorain Products Div
General Description
The Circuit Breaker, cataloged under National Stock Number 5925-01-439-9276, is classified within Federal Supply Class 5925 (Circuit Breakers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Reliance Comm/tec Corp Lorain Products Div. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5925-01-439-9276
Primary Part Number
2566-939
Item Name
Circuit Breaker
FSC / FSG
5925 / 59 — Circuit Breakers
Manufacturer
Reliance Comm/tec Corp Lorain Products Div
Status
ACTIVE
Maximum Continuous Load Current Rating Per Pole
40.0 AMPERES AC ALL LOCATIONS
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 5925-01-439-9276?
NSN 5925-01-439-9276 is a Circuit Breaker, manufactured by Reliance Comm/tec Corp Lorain Products Div, classified under FSC 5925, Circuit Breakers. Status: active.
What part numbers are listed for NSN 5925-01-439-9276?
NSN 5925-01-439-9276 has 1 manufacturer part number on file: 2566-939 (Reliance Comm/tec Corp Lorain Products Div).
What are the specifications of 2566-939?
Key specifications for 2566-939: Maximum Continuous Load Current Rating Per Pole: 40.0 AMPERES AC ALL LOCATIONS. 1 specification is documented in the U.S. Government catalog.
Is NSN 5925-01-439-9276 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.