The Circuit Breaker, cataloged under National Stock Number 5925-01-505-9948, is classified within Federal Supply Class 5925 (Circuit Breakers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Eaton Corp Aerospace Commercial Controls Div. Government technical data includes 15 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5925-01-505-9948 |
| Primary Part Number | AM2R-Z84-1 |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — Circuit Breakers |
| Manufacturer | Eaton Corp Aerospace Commercial Controls Div |
| Status | ACTIVE |
| Operating Voltage Type and Rating Per Pole in Volts | 265.0 AC ALL LOCATIONS |
| Mounting Facility Type and Quantity | 4 CLIP |
| Frequency in Hertz | 47.0 OR 440.0 ALL LOCATIONS |
| Center to Center Distance Between Terminals Parallel to Width | 0.750 INCHES NOMINAL IN |
| Body Style | MULTIPOLE-MULTIPLE ACTUATOR TYPE |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Length | 2.062 INCHES NOMINAL IN |
| Circuit Protection Type | OVERCURRENT ALL LOCATIONS |
| Body Width | 1.500 INCHES NOMINAL IN |
| Body Height | 1.981 INCHES NOMINAL IN |
| Pole Quantity | 2 |
| Maximum Continuous Load Current Rating Per Pole | 10.0 AMPERES AC ALL LOCATIONS |
| Body Length | 2.500 INCHES NOMINAL IN |
| Terminal Type and Quantity | 4 THREADED STUD |
| Boss Height | 0.140 INCHES NOMINAL IN |
| Center to Center Distance Between Terminals Parallel to Length | 1.938 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 |
|---|---|
| AM2R-Z84-1 PRIMARY | Eaton Corp Aerospace Commercial Controls Div (USA) |
| Reference | Meaning |
|---|---|
| 6012329-001 | 7/2 Vendor item drawing reference Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc |
| 6012329 | D/9 Drawing number reference only Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc |
NSN 5925-01-505-9948 is a Circuit Breaker, manufactured by Eaton Corp Aerospace Commercial Controls Div, classified under FSC 5925, Circuit Breakers. Status: active.
NSN 5925-01-505-9948 has 1 manufacturer part number on file: AM2R-Z84-1 (Eaton Corp Aerospace Commercial Controls Div).
2 possible matches (shared part number, not a government interchangeability claim): 5925-01-505-9954, 5925-01-506-0529. Verify interchangeability with system specifications before substitution.
Key specifications for AM2R-Z84-1: Operating Voltage Type and Rating Per Pole in Volts: 265.0 AC ALL LOCATIONS; Mounting Facility Type and Quantity: 4 CLIP; Frequency in Hertz: 47.0 OR 440.0 ALL LOCATIONS; Center to Center Distance Between Terminals Parallel to Width: 0.750 INCHES NOMINAL IN. 15 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.