The Circuit Breaker, cataloged under National Stock Number 5925-01-669-9253, is classified within Federal Supply Class 5925 (Circuit Breakers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Carling Technologies, Inc Dba Carlingswitch. Government technical data includes 11 specifications, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5925-01-669-9253 |
| Primary Part Number | MS1-B-14-430-3-1BB-A-A |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — Circuit Breakers |
| Manufacturer | Carling Technologies, Inc Dba Carlingswitch |
| Status | ACTIVE |
| Reset Method | MANUAL |
| Operating Voltage Type and Rating Per Pole in Volts | 50.0 DC SINGLE LOCATION |
| Mounting Facility Type and Quantity | 1 THREADED BUSHING |
| Pole Quantity | 1 |
| Maximum Continuous Load Current Rating Per Pole | 3.0 AMPERES DC SINGLE LOCATION |
| Trip Release Characteristic | TIME DELAY SINGLE LOCATION |
| Body Length | 47.75 MILLIMETERS NOMINAL MM |
| Manual Actuator Type and Quantity | 1 TOGGLE |
| Actuator Function | TRIP-RESET |
| Terminal Type and Quantity | 2 SCREW |
| Trip Release Method | MAGNETIC SINGLE LOCATION |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| MS1-B-14-430-3-1BB-A-A PRIMARY | Carling Technologies, Inc Dba Carlingswitch (USA) |
| Reference | Meaning |
|---|---|
| 4120146 | 7/2 Vendor item drawing reference Oshkosh Defense Llc |
| 12602967-001 | D/9 Drawing number reference only U S Army Tank Automotive Command Amsta-Im-Mm |
NSN 5925-01-669-9253 is a Circuit Breaker, manufactured by Carling Technologies, Inc Dba Carlingswitch, classified under FSC 5925, Circuit Breakers. Status: active.
NSN 5925-01-669-9253 has 1 manufacturer part number on file: MS1-B-14-430-3-1BB-A-A (Carling Technologies, Inc Dba Carlingswitch).
Key specifications for MS1-B-14-430-3-1BB-A-A: Reset Method: MANUAL; Operating Voltage Type and Rating Per Pole in Volts: 50.0 DC SINGLE LOCATION; Mounting Facility Type and Quantity: 1 THREADED BUSHING; Overall Height: 34.9 MILLIMETERS NOMINAL MM. 11 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
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.