The Relay,electromagnetic, cataloged under National Stock Number 5945-00-072-5305, 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 Dba Raytheon Co. Government technical data includes 19 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5945-00-072-5305 |
| Primary Part Number | 3766-1001P1 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Raytheon Company Dba Raytheon Co |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 2 THREADED HOLE(S) SINGLE MOUNTING FACILITY |
| Main Contact Maximum Voltage Rating in Volts | 500.0 AC |
| Mounting Facility Pattern | IN-LINE SINGLE MOUNTING FACILITY |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 1.437 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Main Contact Load Current Rating at Maximum Rated Voltage | 3.0 AMPERES AC RESISTIVE LOAD |
| Duty Type | CONTINUOUS |
| Winding DC Resistance Rating | 200.0 OHMS NOMINAL SINGLE WINDING |
| Features Provided | POLARIZED |
| Nominal Thread Size | 0.112 INCHES SINGLE MOUNTING FACILITY IN |
| Time Delay | 0.015 SECONDS NOMINAL FIXED RELEASE TIME |
| Time Delay | 0.05 SECONDS NOMINAL FIXED OPERATE TIME |
| Coil Quantity | 1 |
| Environmental Protection | HERMETIC |
| Winding Quantity | 1 |
| Operating Voltage Rating and Type at Specified Temp | 24.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING |
| Thread Class | 2B SINGLE MOUNTING FACILITY |
| Terminal Type and Quantity | 8 PIN ALL FUNCTIONS |
| Nonpile-Up Main Contact Arrangement | 2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY |
| 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 |
|---|---|
| 3766-1001P1 | Raytheon Company (USA) |
| 3766-1001P1 PRIMARY | Raytheon Company Dba Raytheon Co (USA) |
| Reference | Meaning |
|---|---|
| 3766-1001P1 | 5/9 Secondary reference Raytheon Company Div Corp |
| 3766-1001P1 | 5/9 Secondary reference Couch S H Co |
| X656 | 5/9 Secondary reference Couch S H Co |
NSN 5945-00-072-5305 is a Relay,electromagnetic, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-00-072-5305 has 2 manufacturer part numbers on file: 3766-1001P1 (Raytheon Company), 3766-1001P1 (Raytheon Company Dba Raytheon Co).
1 possible match (shared part number, not a government interchangeability claim): 5950-00-076-0542. Verify interchangeability with system specifications before substitution.
Key specifications for 3766-1001P1: Mounting Facility Type and Quantity: 2 THREADED HOLE(S) SINGLE MOUNTING FACILITY; Overall Height: 1.530 INCHES NOMINAL IN; Main Contact Maximum Voltage Rating in Volts: 500.0 AC; Mounting Facility Pattern: IN-LINE SINGLE MOUNTING FACILITY. 19 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.