The Relay,electromagnetic, cataloged under National Stock Number 5945-00-948-6445, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Raytheon Company. Government technical data includes 12 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5945-00-948-6445 |
| Primary Part Number | SM-B-526657-1 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Raytheon Company |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 1 PLUG-IN TERMINAL(S) SINGLE MOUNTING FACILITY |
| Main Contact Maximum Voltage Rating in Volts | 30.0 AC AND 30.0 DC |
| Main Contact Load Current Rating at Maximum Rated Voltage | 2.0 AMPERES AC AND 2.0 AMPERES DC RESISTIVE LOAD |
| Duty Type | CONTINUOUS |
| Winding DC Resistance Rating | 1.0 KILOHMS NOMINAL SINGLE WINDING |
| Nominal Operating Current Rating and Type | 10.0 MILLIAMPERES DC SINGLE WINDING |
| Time Delay | 0.015 SECONDS MAXIMUM FIXED OPERATE AND RELEASE TIME |
| Coil Quantity | 1 |
| Environmental Protection | HERMETIC |
| Winding Quantity | 1 |
| Terminal Type and Quantity | 5 PIN ALL FUNCTIONS |
| Nonpile-Up Main Contact Arrangement | 1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| SM-B-526657-1 | Raytheon Company (USA) |
| SM-B-526657-1 | Raytheon Company Dba Raytheon Co (USA) |
| Reference | Meaning |
|---|---|
| 71CB4250R-28-B-1K | 5/9 Secondary reference U.S. Government activity |
| 1PBK-2708-1 | 5/9 Secondary reference Hi-G Co Inc Sub of Nytronics Inc |
| SM-B-526657-1 | 3/2 Design control — primary reference U.S. Government activity |
| SM-B-526657-1 | 5/9 Secondary reference Raytheon Company Div Corp |
NSN 5945-00-948-6445 is a Relay,electromagnetic, manufactured by Raytheon Company, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-00-948-6445 has 2 manufacturer part numbers on file: SM-B-526657-1 (Raytheon Company), SM-B-526657-1 (Raytheon Company Dba Raytheon Co).
Key specifications for SM-B-526657-1: Mounting Facility Type and Quantity: 1 PLUG-IN TERMINAL(S) SINGLE MOUNTING FACILITY; Overall Height: 0.435 INCHES MAXIMUM IN; Main Contact Maximum Voltage Rating in Volts: 30.0 AC AND 30.0 DC; Main Contact Load Current Rating at Maximum Rated Voltage: 2.0 AMPERES AC AND 2.0 AMPERES DC RESISTIVE LOAD. 12 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.