The Circuit Breaker, cataloged under National Stock Number 5925-01-598-3939, 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 22 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5925-01-598-3939 |
| Primary Part Number | AA2-B0-46-630-121-C |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — Circuit Breakers |
| Manufacturer | Carling Technologies, Inc Dba Carlingswitch |
| Status | ACTIVE |
| Reset Method | MANUAL |
| Internal Trip Release Configuration | SERIES TRIP SINGLE LOCATION |
| Mounting Facility Type and Quantity | 4 THREADED HOLE(S) |
| Body Style | MULTIPOLE-MULTIPLE ACTUATOR TYPE |
| External Actuator Linkage Arrangement | ONE AND TWO LINKED |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Length | 1.66 INCHES NOMINAL IN |
| Circuit Protection Type | OVERCURRENT SINGLE LOCATION |
| Body Width | 1.515 INCHES MAXIMUM IN |
| Trip Release Duty Cycle | CONTINUOUS SINGLE LOCATION |
| Pole Quantity | 2 |
| Mounting Surface to Terminal End Distance | 2.0 INCHES NOMINAL IN |
| Maximum Continuous Load Current Rating Per Pole | 30.0 AMPERES AC SINGLE LOCATION |
| Trip Release Characteristic | INSTANTANEOUS SINGLE LOCATION |
| Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps | 3000.0 AC SINGLE LOCATION |
| Body Length | 2.0 INCHES NOMINAL IN |
| Manual Actuator Type and Quantity | 2 TOGGLE |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Width | 0.75 INCHES NOMINAL IN |
| Actuator Function | TRIP-RESET |
| Terminal Type and Quantity | 4 QUICK DISCONNECT, MALE |
| Main Contact Tripping Mechanism Type | TRIP FREE |
| Trip Release Method | MAGNETIC-HYDRAULIC SINGLE LOCATION |
| Center to Center Distance Between Terminals Parallel to Length | 1.56 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 |
|---|---|
| AA2-B0-46-630-121-C PRIMARY | Carling Technologies, Inc Dba Carlingswitch (USA) |
NSN 5925-01-598-3939 is a Circuit Breaker, manufactured by Carling Technologies, Inc Dba Carlingswitch, classified under FSC 5925, Circuit Breakers. Status: active.
NSN 5925-01-598-3939 has 1 manufacturer part number on file: AA2-B0-46-630-121-C (Carling Technologies, Inc Dba Carlingswitch).
Key specifications for AA2-B0-46-630-121-C: Reset Method: MANUAL; Internal Trip Release Configuration: SERIES TRIP SINGLE LOCATION; Mounting Facility Type and Quantity: 4 THREADED HOLE(S); Body Style: MULTIPOLE-MULTIPLE ACTUATOR TYPE. 22 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.