The Relay,electromagnetic, cataloged under National Stock Number 5945-00-171-0293, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5945-00-171-0293 |
| Primary Part Number | 6938ED7-30A3 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 2 THREADED STUD(S) SINGLE MOUNTING FACILITY |
| Main Contact Maximum Voltage Rating in Volts | 115.0 AC AND 28.0 DC |
| Mounting Facility Pattern | IN-LINE SINGLE MOUNTING FACILITY |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 7.875 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Main Contact Load Current Rating at Maximum Rated Voltage | 1.0 AMPERES AC AND 1.0 AMPERES DC RESISTIVE LOAD |
| Duty Type | CONTINUOUS |
| Nominal Thread Size | 0.500 INCHES SINGLE MOUNTING FACILITY IN |
| Coil Quantity | 1 |
| Environmental Protection | DUSTPROOF |
| Winding Quantity | 1 |
| Operating Voltage Rating and Type at Specified Temp | 28.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING |
| Thread Class | 2A SINGLE MOUNTING FACILITY A |
| Thread Quantity Per Inch | 13 SINGLE MOUNTING FACILITY |
| Terminal Type and Quantity | 10 THREADED STUD ALL FUNCTIONS |
| Nonpile-Up Main Contact Arrangement | 1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION AND 2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) 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 |
|---|---|
| 6938ED7-30A3 PRIMARY | Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc (USA) |
| Reference | Meaning |
|---|---|
| 6938ED7-30A3 | C/1 Advisory reference — outside the item-of-supply concept Eaton Corp Opns & Technical Center |
NSN 5945-00-171-0293 is a Relay,electromagnetic, manufactured by Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-00-171-0293 has 1 manufacturer part number on file: 6938ED7-30A3 (Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc).
Key specifications for 6938ED7-30A3: Mounting Facility Type and Quantity: 2 THREADED STUD(S) SINGLE MOUNTING FACILITY; Overall Height: 8.000 INCHES NOMINAL IN; Main Contact Maximum Voltage Rating in Volts: 115.0 AC AND 28.0 DC; Mounting Facility Pattern: IN-LINE 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.