The Relay,electromagnetic, cataloged under National Stock Number 5945-01-644-4415, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Honeywell International Inc. Dba Honeywell. Government technical data includes 8 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5945-01-644-4415 |
| Primary Part Number | SZR-LY4-N1-AC220V |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Honeywell International Inc. Dba Honeywell |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 1 UNTHREADED HOLE(S) FIRST MOUNTING FACILITY |
| Mounting Facility Pattern | RECTANGULAR FIRST MOUNTING FACILITY |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 2.68 INCHES NOMINAL FIRST MOUNTING FACILITY IN |
| Unthreaded Mounting Hole Diameter | 0.24 INCHES NOMINAL FIRST MOUNTING FACILITY IN |
| Winding DC Resistance Rating | 50.0 OHMS MAXIMUM ALL WINDINGS |
| Coil Quantity | 4 |
| Operating Voltage Rating and Type at Specified Temp | 220.0 VOLTS AC NONSTANDARD TEMP ALL WINDINGS |
| Terminal Type and Quantity | 14 QUICK DISCONNECT, FEMALE CONTACTS |
| 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 |
|---|---|
| SZR-LY4-N1-AC220V PRIMARY | Honeywell International Inc. Dba Honeywell (USA) |
NSN 5945-01-644-4415 is a Relay,electromagnetic, manufactured by Honeywell International Inc. Dba Honeywell, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-01-644-4415 has 1 manufacturer part number on file: SZR-LY4-N1-AC220V (Honeywell International Inc. Dba Honeywell).
Key specifications for SZR-LY4-N1-AC220V: Mounting Facility Type and Quantity: 1 UNTHREADED HOLE(S) FIRST MOUNTING FACILITY; Overall Height: 2.60 INCHES NOMINAL IN; Mounting Facility Pattern: RECTANGULAR FIRST MOUNTING FACILITY; Center to Center Distance Between Mounting Facilities Parallel to Length: 2.68 INCHES NOMINAL FIRST MOUNTING FACILITY IN. 8 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.