The Circuit Breaker, cataloged under National Stock Number 5925-01-079-8416, is classified within Federal Supply Class 5925 (Circuit Breakers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 26 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5925-01-079-8416 |
| Primary Part Number | 12273326 |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — Circuit Breakers |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Bushing Length | 0.280 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN |
| Reset Method | AUTOMATIC |
| Internal Trip Release Configuration | RELAY TRIP SINGLE LOCATION |
| Operating Voltage Type and Rating Per Pole in Volts | 50.0 DC SINGLE LOCATION |
| Mounting Facility Type and Quantity | 1 THREADED BUSHING WITH PANEL SEAL |
| Ultimate Trip Time Per Pole in Seconds | 0.015 NOMINAL SINGLE LOCATION |
| Body Style | SINGLE POLE TYPE |
| Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent | 800.0 SINGLE LOCATION |
| Circuit Protection Type | OVERCURRENT SINGLE LOCATION |
| Body Width | 0.625 INCHES NOMINAL IN |
| Trip Release Duty Cycle | CONTINUOUS SINGLE LOCATION |
| Pole Quantity | 1 |
| Mounting Surface to Terminal End Distance | 1.700 INCHES NOMINAL IN |
| Maximum Continuous Load Current Rating Per Pole | 25.0 AMPERES DC SINGLE LOCATION |
| Trip Release Characteristic | TIME DELAY SINGLE LOCATION |
| Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps | 200.0 DC SINGLE LOCATION |
| Nominal Thread Size | 0.375 INCHES IN |
| Body Length | 1.562 INCHES NOMINAL IN |
| Trip Delay Time in Seconds Per Rated Continuous Current | 120.000 MINIMUM AT 125 PCT AND 0.015 MAXIMUM AT 800 PCT SINGLE LOCATION |
| Inclosure Protection Type for Which Designed | HERMETICALLY SEALED |
| Material | PLASTIC CASE |
| Trip Release Ambient Temp Rating | 23.0 CELSIUS MINIMUM AND 27.0 CELSIUS MAXIMUM SINGLE LOCATION DEGC |
| Terminal Type and Quantity | 2 WIRE HOOK AND 3 PIN |
| Thread Series Designator | UNEF |
| Trip Release Method | MAGNETIC SINGLE LOCATION |
| Center to Center Distance Between Terminals Parallel to Length | 0.906 INCHES NOMINAL IN |
| 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 |
|---|---|
| 12273326 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 5925010798416 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| API-1RC-4542-1 | 5/2 Secondary reference U.S. Government activity |
| AP1-1R4542-1 | 5/2 Secondary reference U.S. Government activity |
| 5925PL2183032 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5925-01-079-8416 is a Circuit Breaker, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5925, Circuit Breakers. Status: active.
NSN 5925-01-079-8416 has 1 manufacturer part number on file: 12273326 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12273326: Bushing Length: 0.280 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN; Reset Method: AUTOMATIC; Internal Trip Release Configuration: RELAY TRIP SINGLE LOCATION; Operating Voltage Type and Rating Per Pole in Volts: 50.0 DC SINGLE LOCATION. 26 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.