The Relay,thermal, cataloged under National Stock Number 5945-00-823-2227, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple. Government technical data includes 9 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5945-00-823-2227 |
| Primary Part Number | 021-000557 |
| Item Name | Relay,thermal |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 2 UNTHREADED HOLE(S) |
| Contact Maximum Voltage Rating in Volts | 115.0 AC AND 28.0 DC |
| Delay Time in Seconds | 150.0 FIXED OPERATE NOMINAL |
| Contact Arrangement | SINGLE POLE, SINGLE THROW, NORMALLY OPEN |
| Overall Diameter | 0.921 INCHES NOMINAL IN |
| Heater Power Rating in Watts | 4.0 |
| Heater Voltage Rating in Volts | 27.0 |
| Contact Maximum Current Rating in Amps | 3.0 AC OR 0.125 DC |
| 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 |
|---|---|
| 021-000557 PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple (USA) |
| Reference | Meaning |
|---|---|
| RF160N028-150SEC | 5/9 Secondary reference U.S. Government activity |
| GT3836 | 5/9 Secondary reference U.S. Government activity |
NSN 5945-00-823-2227 is a Relay,thermal, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-00-823-2227 has 1 manufacturer part number on file: 021-000557 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple).
Key specifications for 021-000557: Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S); Contact Maximum Voltage Rating in Volts: 115.0 AC AND 28.0 DC; Delay Time in Seconds: 150.0 FIXED OPERATE NOMINAL; Contact Arrangement: SINGLE POLE, SINGLE THROW, NORMALLY OPEN. 9 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.