NSN 5925-01-491-5057 — this item is cataloged by the U.S. Government under National Stock Number 5925-01-491-5057. Manufacturer of record part number: 122130089-001.
FSG: 59 — Electrical and Electronic Equipment Components
Primary part number: 122130089-001
Manufacturer: Eaton Corporation
General Description
The Circuit Breaker, cataloged under National Stock Number 5925-01-491-5057, is classified within Federal Supply Class 5925 (Circuit Breakers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Eaton Corporation. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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
5925-01-491-5057
Primary Part Number
122130089-001
Item Name
Circuit Breaker
FSC / FSG
5925 / 59 — Circuit Breakers
Manufacturer
Eaton Corporation
Status
ACTIVE
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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5925-00-001-2809 · Item name not on file
5925-00-001-3838
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5925-00-001-5748
5925-00-001-5748 · Item name not on file
5925-00-001-5926
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 5925-01-491-5057?
NSN 5925-01-491-5057 is a Circuit Breaker, manufactured by Eaton Corporation, classified under FSC 5925, Circuit Breakers. Status: active.
What part numbers are listed for NSN 5925-01-491-5057?
NSN 5925-01-491-5057 has 1 manufacturer part number on file: 122130089-001 (Eaton Corporation).
What are the specifications of 122130089-001?
Key specifications for 122130089-001: Part Name Assigned by Controlling Agency: SWITCH PB 2POLE 20A W/RELAY A; End Item Identification: NATIONAL EXIDE/IPM/UNINTERRUPTIBLE POWER SYSTEM (NEIUPS). 0 specifications are documented in the U.S. Government catalog.
Is NSN 5925-01-491-5057 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.