The Relay,thermal, cataloged under National Stock Number 5945-00-665-7443, 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. Government technical data includes 10 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5945-00-665-7443 |
| Primary Part Number | SB190-888 |
| Item Name | Relay,thermal |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Raytheon Company |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 1 PLUG-IN |
| Contact Maximum Voltage Rating in Volts | 115.0 AC |
| Delay Time in Seconds | 40.0 ADJUSTABLE OPERATE MINIMUM AND 200.0 ADJUSTABLE OPERATE MAXIMUM |
| Contact Arrangement | SINGLE POLE, SINGLE THROW, NORMALLY OPEN |
| Overall Diameter | 0.797 INCHES NOMINAL IN |
| Heater Power Rating in Watts | 4.0 |
| Heater Voltage Rating in Volts | 120.0 |
| Contact Maximum Current Rating in Amps | 6.0 AC |
| Environmental Protection | HERMETIC |
| Terminal Type and Quantity | 7 PIN |
| 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 |
|---|---|
| SB190-888 | Raytheon Company (USA) |
| SB190-888 | Raytheon Company Dba Raytheon Co (USA) |
| Reference | Meaning |
|---|---|
| GT5084 | 3/2 Design control — primary reference U.S. Government activity |
| RM160N028-145 | 5/2 Secondary reference U.S. Government activity |
| SB190-888 | 5/9 Secondary reference Raytheon Company Div Corp |
NSN 5945-00-665-7443 is a Relay,thermal, manufactured by Raytheon Company, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-00-665-7443 has 2 manufacturer part numbers on file: SB190-888 (Raytheon Company), SB190-888 (Raytheon Company Dba Raytheon Co).
Key specifications for SB190-888: Mounting Facility Type and Quantity: 1 PLUG-IN; Contact Maximum Voltage Rating in Volts: 115.0 AC; Delay Time in Seconds: 40.0 ADJUSTABLE OPERATE MINIMUM AND 200.0 ADJUSTABLE OPERATE MAXIMUM; Contact Arrangement: SINGLE POLE, SINGLE THROW, NORMALLY OPEN. 10 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.