The Relay,electromagnetic, cataloged under National Stock Number 5945-00-055-8030, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Te Connectivity Corporation. Government technical data includes 11 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5945-00-055-8030 |
| Primary Part Number | HC1S4 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Te Connectivity Corporation |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 1 THREADED BUSHING SINGLE MOUNTING FACILITY |
| Main Contact Maximum Voltage Rating in Volts | 5.0 DC |
| Overall Diameter | 0.920 INCHES NOMINAL IN |
| Duty Type | CONTINUOUS |
| Winding DC Resistance Rating | 335.0 OHMS NOMINAL SINGLE WINDING |
| Coil Quantity | 1 |
| Environmental Protection | HERMETIC |
| Winding Quantity | 1 |
| Operating Voltage Rating and Type at Specified Temp | 26.5 VOLTS DC 25 DEG CELSIUS SINGLE WINDING |
| Terminal Type and Quantity | 5 PIN ALL FUNCTIONS |
| Nonpile-Up Main Contact Arrangement | 1 POLE, DOUBLE THROW, TWO POSITIONS MOMENTARY |
| 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 |
|---|---|
| HC1S4 PRIMARY | Te Connectivity Corporation (USA) |
| RJ1A26-0441 | Tdk Electronics Ag (DEU) |
| Reference | Meaning |
|---|---|
| RJ1A26-0441 | 5/9 Secondary reference Epcos Ag Abt. Pr Roe K Pm |
| 533813-1 | 5/2 Secondary reference U.S. Government activity |
| RJ1A26-0441 | 5/9 Secondary reference Jennings Technology Company Llc Dba Jennings |
| 580R136H01 | 5/2 Secondary reference U.S. Government activity |
| TCR1A | 5/9 Secondary reference Torr Laboratories Inc |
NSN 5945-00-055-8030 is a Relay,electromagnetic, manufactured by Te Connectivity Corporation, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-00-055-8030 has 2 manufacturer part numbers on file: HC1S4 (Te Connectivity Corporation), RJ1A26-0441 (Tdk Electronics Ag).
Key specifications for HC1S4: Mounting Facility Type and Quantity: 1 THREADED BUSHING SINGLE MOUNTING FACILITY; Main Contact Maximum Voltage Rating in Volts: 5.0 DC; Overall Diameter: 0.920 INCHES NOMINAL IN; Duty Type: CONTINUOUS. 11 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.