The Relay,electromagnetic, cataloged under National Stock Number 5945-01-481-4975, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is SSD Drives Inc Formerly Eurotherm Drives Inc. Dba SSD Drives Inc.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5945-01-481-4975 |
| Primary Part Number | S51500-1 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | SSD Drives Inc Formerly Eurotherm Drives Inc. Dba SSD Drives Inc. |
| Status | ACTIVE |
| 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 |
|---|---|
| S51500-1 PRIMARY | SSD Drives Inc Formerly Eurotherm Drives Inc. Dba SSD Drives Inc. (USA) |
| Reference | Meaning |
|---|---|
| 3RT1015-1AK61 | 5/9 Secondary reference Siemens Corp Oem Div |
NSN 5945-01-481-4975 is a Relay,electromagnetic, manufactured by SSD Drives Inc Formerly Eurotherm Drives Inc. Dba SSD Drives Inc., classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-01-481-4975 has 1 manufacturer part number on file: S51500-1 (SSD Drives Inc Formerly Eurotherm Drives Inc. Dba SSD Drives Inc.).
1 possible match (shared part number, not a government interchangeability claim): 6110-01-523-1585. Verify interchangeability with system specifications before substitution.
Key specifications for S51500-1: End Item Identification: PANEL ASSY. 0 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.