PartsTable TECHNICAL DATA SHEET
NSN 5925-01-128-2135Government record, cited

Circuit Breaker5925-01-128-2135

NSN 5925-01-128-2135 · NIIN 011282135
FSC 5925 — Circuit Breakers · FSG 59 — Electrical and Electronic Equipment Components
Government record, cited
Also searched as  5925-01-128-2135 · 5925011282135 · NIIN 011282135 · 01-128-2135 · FSC 5925 Circuit Breakers
Nearby stock numbers  ·
Features
  • Circuit Breaker — FSC 5925
  • Reset Method: MANUAL
  • Mounting Facility Type and Quantity: 3 THREADED HOLE(S)
  • Actuator Position Designation: AT EACH POLE
  • Center to Center Distance Between Terminals Parallel to Width: 0.745 INCHES MINIMUM AND 0.755 INCHES MAXIMUM IN
  • Fragility Factor: MODERATELY RUGGED
  • Body Style: MULTIPOLE-MULTIPLE ACTUATOR TYPE
  • External Actuator Linkage Arrangement: ONE, TWO, AND THREE LINKED
Identification
  • NSN: 5925-01-128-2135
  • NIIN: 011282135
  • FSC: 5925 — Circuit Breakers
  • FSG: 59 — Electrical and Electronic Equipment Components
General Description

The Circuit Breaker, cataloged under National Stock Number 5925-01-128-2135, is classified within Federal Supply Class 5925 (Circuit Breakers) of the Electrical and Electronic Equipment Components group. Government technical data includes 28 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5925-01-128-2135
Item NameCircuit Breaker
FSC / FSG5925 / 59 — Circuit Breakers
StatusACTIVE
Reset MethodMANUAL
Mounting Facility Type and Quantity3 THREADED HOLE(S)
Actuator Position DesignationAT EACH POLE
Center to Center Distance Between Terminals Parallel to Width0.745 INCHES MINIMUM AND 0.755 INCHES MAXIMUM IN
Fragility FactorMODERATELY RUGGED
Body StyleMULTIPOLE-MULTIPLE ACTUATOR TYPE
External Actuator Linkage ArrangementONE, TWO, AND THREE LINKED
Distance Between Centerlines of Mounting Facilities Parallel to Body Length1.655 INCHES MINIMUM AND 1.665 INCHES MAXIMUM IN
Arc Quenching MethodMAGNETIC BLOWOUT
Circuit Protection TypeOVERCURRENT ALL LOCATIONS
Body Width2.245 INCHES MINIMUM AND 2.255 INCHES MAXIMUM IN
Storage TypeGENERAL PURPOSE WAREHOUSE
Pole Quantity3
Mounting Surface to Terminal End Distance1.835 INCHES MINIMUM AND 1.845 INCHES MAXIMUM IN
Nominal Thread Size0.138 INCHES IN
Body Length1.985 INCHES MINIMUM AND 2.015 INCHES MAXIMUM IN
Manual Actuator Type and Quantity3 TOGGLE
Distance Between Centerlines of Mounting Facilities Parallel to Body Width0.745 INCHES MINIMUM AND 0.755 INCHES MAXIMUM IN
Inclosure Protection Type for Which DesignedDUSTPROOF
Thread Quantity Per Inch32
MaterialPLASTIC CASE
Actuator FunctionTRIP-RESET
Terminal Type and Quantity6 TAB, SOLDER LUG
Main Contact Tripping Mechanism TypeTRIP FREE
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Boss Height0.125 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
Trip Release MethodMAGNETIC-HYDRAULIC ALL LOCATIONS
Center to Center Distance Between Terminals Parallel to Length1.555 INCHES MINIMUM AND 1.565 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardPossible hazard — SDS may be required (DLA HMIC P)
Criticality CodeX
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
ReferenceMeaning
JA3-Z41 3/9 Design control — primary reference
Eaton Corp Heinemann Products Commercial Controls Div
No interchangeability data on file.
Other items in FSC 5925 — Circuit Breakers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5925-00-001-1277
CIRCUIT BREAKER
5925-00-001-2809
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
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 5925-01-128-2135?

NSN 5925-01-128-2135 is a Circuit Breaker, classified under FSC 5925, Circuit Breakers. Status: active.

What are the specifications of 5925-01-128-2135?

Key specifications for 5925-01-128-2135: Reset Method: MANUAL; Mounting Facility Type and Quantity: 3 THREADED HOLE(S); Actuator Position Designation: AT EACH POLE; Center to Center Distance Between Terminals Parallel to Width: 0.745 INCHES MINIMUM AND 0.755 INCHES MAXIMUM IN. 28 specifications are documented in the U.S. Government catalog.

Is NSN 5925-01-128-2135 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.
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