NSN 5925-01-731-1863 — this item is cataloged by the U.S. Government under National Stock Number 5925-01-731-1863. Manufacturer of record part number: ST201M-K2.
FSG: 59 — Electrical and Electronic Equipment Components
Primary part number: ST201M-K2
Manufacturer: Abb Inc
General Description
The Circuit Breaker, cataloged under National Stock Number 5925-01-731-1863, is classified within Federal Supply Class 5925 (Circuit Breakers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Abb Inc. Government technical data includes 1 specification, 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. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5925-01-731-1863
Primary Part Number
ST201M-K2
Item Name
Circuit Breaker
FSC / FSG
5925 / 59 — Circuit Breakers
Manufacturer
Abb Inc
Status
ACTIVE
Pole Quantity
1
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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CIRCUIT BREAKER
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5925-00-001-2809 · Item name not on file
5925-00-001-3838
CIRCUIT BREAKER
5925-00-001-5748
5925-00-001-5748 · Item name not on file
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5925-00-001-5926 · Item name not on file
5925-00-001-5938
5925-00-001-5938 · Item name not on file
5925-00-001-5942
CIRCUIT BREAKER
5925-00-001-5977
CIRCUIT BREAKER
Frequently Asked Questions
What is NSN 5925-01-731-1863?
NSN 5925-01-731-1863 is a Circuit Breaker, manufactured by Abb Inc, classified under FSC 5925, Circuit Breakers. Status: active.
What part numbers are listed for NSN 5925-01-731-1863?
NSN 5925-01-731-1863 has 2 manufacturer part numbers on file: 1DU2R (Altech Corporation), ST201M-K2 (Abb Inc).
What are the specifications of ST201M-K2?
Key specifications for ST201M-K2: Overall Height: 17.5 MILLIMETERS NOMINAL MM; Pole Quantity: 1; Overall Length: 88.0 MILLIMETERS NOMINAL MM; Overall Width: 69.0 MILLIMETERS NOMINAL MM. 1 specification is documented in the U.S. Government catalog.
Is NSN 5925-01-731-1863 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.