The Relay,thermal, cataloged under National Stock Number 5945-00-617-6905, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Lockheed Martin Corporation Div Rms - Mitchel Field. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5945-00-617-6905 |
| Primary Part Number | 1600173-4 |
| Item Name | Relay,thermal |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Lockheed Martin Corporation Div Rms - Mitchel Field |
| 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 | 100.0 ADJUSTABLE OPERATE NOMINAL |
| Contact Arrangement | SINGLE POLE, SINGLE THROW, NORMALLY OPEN |
| Overall Diameter | 0.812 INCHES NOMINAL IN |
| Heater Power Rating in Watts | 4.0 |
| Heater Voltage Rating in Volts | 28.0 |
| Contact Maximum Current Rating in Amps | 4.0 AC |
| Environmental Protection | HUMIDITY PROOF |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 1600173-4 PRIMARY | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| 1677726REVBPC12 | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| 1876496REVFPC17 | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| 1876496REVFPC17 | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| RM120NC115-120 | 5/2 Secondary reference U.S. Government activity |
NSN 5945-00-617-6905 is a Relay,thermal, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-00-617-6905 has 4 manufacturer part numbers on file: 1600173-4 (Lockheed Martin Corporation Div Rms - Mitchel Field), 1677726REVBPC12 (Lockheed Martin Corporation Div Rms - Mitchel Field), 1876496REVFPC17 (Lockheed Martin Corporation Div Rms - Mitchel Field), 1876496REVFPC17 (Northrop Grumman Systems Corporation).
Key specifications for 1600173-4: Mounting Facility Type and Quantity: 1 OCTAL BASE PLUG-IN; Contact Maximum Voltage Rating in Volts: 115.0 AC; Delay Time in Seconds: 100.0 ADJUSTABLE OPERATE NOMINAL; 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.