The Relay,electromagnetic, cataloged under National Stock Number 5945-00-175-4918, 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 17 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5945-00-175-4918 |
| Primary Part Number | HC1S12 |
| 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 | 2500.0 AC |
| Overall Diameter | 0.925 INCHES MAXIMUM IN |
| Main Contact Load Current Rating at Maximum Rated Voltage | 14.0 AMPERES AC RESISTIVE LOAD |
| Duty Type | CONTINUOUS |
| Winding DC Resistance Rating | 335.0 OHMS NOMINAL SINGLE WINDING |
| Nominal Thread Size | 0.562 INCHES SINGLE MOUNTING FACILITY IN |
| Coil Quantity | 1 |
| Environmental Protection | FUNGUS RESISTANT AND SHOCK PROOF |
| Winding Quantity | 1 |
| Operating Voltage Rating and Type at Specified Temp | 26.5 VOLTS DC 25 DEG CELSIUS SINGLE WINDING |
| Thread Class | 2A SINGLE MOUNTING FACILITY A |
| Thread Quantity Per Inch | 32 SINGLE MOUNTING FACILITY |
| Terminal Type and Quantity | 3 TAB, SOLDER LUG CONTACTS |
| Terminal Type and Quantity | 2 TURRET ENERGIZING ELEMENT |
| Nonpile-Up Main Contact Arrangement | 1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY |
| Thread Series Designator | UNS SINGLE MOUNTING FACILITY |
| 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 |
|---|---|
| 7901733-00 | Northrop Grumman Systems Corporation (USA) |
| HC1S12 PRIMARY | Te Connectivity Corporation (USA) |
| AC1S12 | Te Connectivity Corporation (USA) |
| Reference | Meaning |
|---|---|
| RJ1A263 | C/1 Advisory reference — outside the item-of-supply concept Jennings Technology Company Llc Dba Jennings |
| RJ1A26S | 5/9 Secondary reference Jennings Technology Company Llc Dba Jennings |
| 7901733-00 | 5/9 Secondary reference U.S. Government activity |
NSN 5945-00-175-4918 is a Relay,electromagnetic, manufactured by Te Connectivity Corporation, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-00-175-4918 has 3 manufacturer part numbers on file: 7901733-00 (Northrop Grumman Systems Corporation), HC1S12 (Te Connectivity Corporation), AC1S12 (Te Connectivity Corporation).
Key specifications for HC1S12: Mounting Facility Type and Quantity: 1 THREADED BUSHING SINGLE MOUNTING FACILITY; Main Contact Maximum Voltage Rating in Volts: 2500.0 AC; Overall Diameter: 0.925 INCHES MAXIMUM IN; Main Contact Load Current Rating at Maximum Rated Voltage: 14.0 AMPERES AC RESISTIVE LOAD. 17 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.