The Relay,electromagnetic, cataloged under National Stock Number 5945-01-005-5917, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is R-K Electric Co Inc. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5945-01-005-5917 |
| Primary Part Number | T0FX3-7743HA2173 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | R-K Electric Co Inc |
| Status | ACTIVE |
| Main Contact Maximum Voltage Rating in Volts | 120.0 AC |
| Environmental Protection | HERMETIC |
| 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 |
|---|---|
| T0FX3-7743HA2173 PRIMARY | R-K Electric Co Inc (USA) |
| Reference | Meaning |
|---|---|
| 13U4-5 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 5945-01-005-5917 is a Relay,electromagnetic, manufactured by R-K Electric Co Inc, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-01-005-5917 has 1 manufacturer part number on file: T0FX3-7743HA2173 (R-K Electric Co Inc).
Key specifications for T0FX3-7743HA2173: Overall Height: 2.312 INCHES NOMINAL IN; Main Contact Maximum Voltage Rating in Volts: 120.0 AC; Overall Length: 3.438 INCHES NOMINAL IN; Overall Width: 2.500 INCHES NOMINAL IN. 2 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.