The Relay,electromagnetic, cataloged under National Stock Number 5945-00-389-7948, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Unisys Corporation Dba Unisys Corp. Government technical data includes 16 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5945-00-389-7948 |
| Primary Part Number | DRA40990 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Unisys Corporation Dba Unisys Corp |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY |
| Main Contact Maximum Voltage Rating in Volts | 110.0 AC |
| Mounting Facility Pattern | RECTANGULAR SINGLE MOUNTING FACILITY |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 1.000 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Main Contact Load Current Rating at Maximum Rated Voltage | 10.0 AMPERES AC RESISTIVE LOAD |
| Duty Type | INTERMITTENT |
| Unthreaded Mounting Hole Diameter | 0.188 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Frequency in Hertz | 60.0 NOMINAL |
| Winding DC Resistance Rating | 190.0 OHMS NOMINAL SINGLE WINDING |
| Nominal Operating Current Rating and Type | 200.0 MILLIAMPERES AC SINGLE WINDING |
| Coil Quantity | 1 |
| Winding Quantity | 1 |
| Operating Voltage Rating and Type at Specified Temp | 110.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 1.000 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Terminal Type and Quantity | 6 PIN ALL FUNCTIONS |
| Nonpile-Up Main Contact Arrangement | 1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION AND 1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION |
| 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 |
|---|---|
| DRA40990 | Unisys Corporation Dba Unisys Corp (USA) |
| Reference | Meaning |
|---|---|
| 700-C110 PLUS V0L TA | C/1 Advisory reference — outside the item-of-supply concept Rockwell Automation, Inc. Dba Rockwell Automation |
| WS1050 | 5/9 Secondary reference Rockwell Automation, Inc. Dba Rockwell Automation |
| 700-C110 PLUS VOLTAGE CODE | 3/9 Design control — primary reference Rockwell Automation, Inc. Dba Rockwell Automation |
NSN 5945-00-389-7948 is a Relay,electromagnetic, manufactured by Unisys Corporation Dba Unisys Corp, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-00-389-7948 has 1 manufacturer part number on file: DRA40990 (Unisys Corporation Dba Unisys Corp).
Key specifications for DRA40990: Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY; Overall Height: 3.062 INCHES NOMINAL IN; Main Contact Maximum Voltage Rating in Volts: 110.0 AC; Mounting Facility Pattern: RECTANGULAR SINGLE MOUNTING FACILITY. 16 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.