The Circuit Breaker, cataloged under National Stock Number 5925-01-697-1697, is classified within Federal Supply Class 5925 (Circuit Breakers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Eaton Aerospace Llc Aerospace and Commercial Controls Div. Government technical data includes 22 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 5925-01-697-1697 |
| Primary Part Number | NZMB1-A20-NA |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — Circuit Breakers |
| Manufacturer | Eaton Aerospace Llc Aerospace and Commercial Controls Div |
| Status | ACTIVE |
| Reset Method | MANUAL |
| Operating Voltage Type and Rating Per Pole in Volts | 440.0 AC ALL LOCATIONS |
| Mounting Facility Type and Quantity | 2 THREADED HOLE(S) AND 2 UNTHREADED HOLE(S) |
| Frequency in Hertz | 60 ALL LOCATIONS |
| Center to Center Distance Between Terminals Parallel to Width | 30.0 MILLIMETERS NOMINAL MM |
| Body Style | MULTIPOLE-SINGLE ACTUATOR TYPE |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Length | 126.0 MILLIMETERS NOMINAL MM |
| Circuit Protection Type | OVERCURRENT ALL LOCATIONS |
| Body Width | 90.0 MILLIMETERS NOMINAL MM |
| Body Height | 68.0 MILLIMETERS NOMINAL MM |
| Pole Quantity | 3 |
| Maximum Continuous Load Current Rating Per Pole | 20.0 AMPERES AC ALL LOCATIONS |
| Trip Release Characteristic | TIME DELAY ALL LOCATIONS |
| Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps | 20.0 AC ALL LOCATIONS |
| Body Length | 145.0 MILLIMETERS NOMINAL MM |
| Manual Actuator Type and Quantity | 1 ROCKER ACTUATOR |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Width | 30.0 MILLIMETERS NOMINAL MM |
| Inclosure Protection Type for Which Designed | SHOCK RESISTANT AND CORROSION RESISTANT |
| Actuator Function | RESET |
| Boss Height | 5.0 MILLIMETERS NOMINAL MM |
| Trip Release Method | THERMAL-MAGNETIC ALL LOCATIONS |
| Center to Center Distance Between Terminals Parallel to Length | 126.0 MILLIMETERS NOMINAL MM |
| 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 |
|---|---|
| NZMB1-A20-NA PRIMARY | Eaton Aerospace Llc Aerospace and Commercial Controls Div (USA) |
| NZMB1-A20-NA | Behco Inc (USA) |
| Reference | Meaning |
|---|---|
| 102167-C4-IE103.1 | 7/2 Vendor item drawing reference Testek Llc Dba Testek Solutions |
NSN 5925-01-697-1697 is a Circuit Breaker, manufactured by Eaton Aerospace Llc Aerospace and Commercial Controls Div, classified under FSC 5925, Circuit Breakers. Status: active.
NSN 5925-01-697-1697 has 2 manufacturer part numbers on file: NZMB1-A20-NA (Eaton Aerospace Llc Aerospace and Commercial Controls Div), NZMB1-A20-NA (Behco Inc).
Key specifications for NZMB1-A20-NA: Reset Method: MANUAL; Operating Voltage Type and Rating Per Pole in Volts: 440.0 AC ALL LOCATIONS; Mounting Facility Type and Quantity: 2 THREADED HOLE(S) AND 2 UNTHREADED HOLE(S); Overall Height: 84.5 MILLIMETERS NOMINAL MM. 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.