The Relay,electromagnetic, cataloged under National Stock Number 5945-00-643-6601, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. Government technical data includes 18 specifications, cited from the U.S. Government catalog. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5945-00-643-6601 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 4 THREADED HOLE(S) SINGLE MOUNTING FACILITY |
| Pile-Up Main Contact Form Arrangement | 4C |
| Main Contact Maximum Voltage Rating in Volts | 115.0 AC AND 24.0 DC |
| Mounting Facility Pattern | RECTANGULAR SINGLE MOUNTING FACILITY |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 0.844 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Main Contact Load Current Rating at Maximum Rated Voltage | 250.0 MILLIAMPERES AC AND 1.0 AMPERES DC RESISTIVE LOAD |
| Duty Type | CONTINUOUS |
| Winding DC Resistance Rating | 250.0 OHMS NOMINAL SINGLE WINDING |
| Nominal Operating Current Rating and Type | 120.0 MILLIAMPERES DC SINGLE WINDING |
| Nominal Thread Size | 0.112 INCHES SINGLE MOUNTING FACILITY IN |
| Coil Quantity | 1 |
| Environmental Protection | FUNGUS PROOF AND WATERTIGHT |
| Winding Quantity | 1 |
| Operating Voltage Rating and Type at Specified Temp | 26.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 0.531 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Thread Class | 2B SINGLE MOUNTING FACILITY |
| Terminal Type and Quantity | 14 PIN ALL FUNCTIONS |
| 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 |
| Reference | Meaning |
|---|---|
| GA52450L01 | 5/9 Secondary reference American Telephone and Telegraph Co |
| 1215264 | 5/9 Secondary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| TMBH-1556 | 5/9 Secondary reference Precision Switching Inc |
| 218XD117 | 5/9 Secondary reference Struthers-Dunn Inc |
| GA52450L01ISSUE2 | 5/9 Secondary reference American Telephone and Telegraph Co |
| GA52450L01 | 3/9 Design control — primary reference Allied Controls, Inc. |
| PRX42 | 5/9 Secondary reference Allied Controls, Inc. |
NSN 5945-00-643-6601 is a Relay,electromagnetic, classified under FSC 5945, Relays and Solenoids. Status: active.
Key specifications for 5945-00-643-6601: Mounting Facility Type and Quantity: 4 THREADED HOLE(S) SINGLE MOUNTING FACILITY; Overall Height: 2.120 INCHES NOMINAL IN; Pile-Up Main Contact Form Arrangement: 4C; Main Contact Maximum Voltage Rating in Volts: 115.0 AC AND 24.0 DC. 18 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.