The Relay,thermal, cataloged under National Stock Number 5945-00-643-6181, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5945-00-643-6181 |
| Item Name | Relay,thermal |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 1 OCTAL BASE PLUG-IN |
| Contact Maximum Voltage Rating in Volts | 115.0 AC |
| Delay Time in Seconds | 3.0 ADJUSTABLE OPERATE MINIMUM AND 180.0 ADJUSTABLE OPERATE MAXIMUM |
| Contact Arrangement | SINGLE POLE, SINGLE THROW, NORMALLY OPEN |
| Overall Diameter | 1.305 INCHES NOMINAL IN |
| Heater Power Rating in Watts | 4.0 |
| Heater Voltage Rating in Volts | 26.5 |
| Contact Maximum Current Rating in Amps | 6.0 AC |
| Environmental Protection | HERMETIC |
| Terminal Type and Quantity | 7 WIRE HOOK |
| 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 |
|---|---|
| R0120N026-120 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5945-00-643-6181 is a Relay,thermal, classified under FSC 5945, Relays and Solenoids. Status: active.
Key specifications for 5945-00-643-6181: Mounting Facility Type and Quantity: 1 OCTAL BASE PLUG-IN; Contact Maximum Voltage Rating in Volts: 115.0 AC; Delay Time in Seconds: 3.0 ADJUSTABLE OPERATE MINIMUM AND 180.0 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.