The Relay,electromagnetic, cataloged under National Stock Number 5945-01-047-6687, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is L3 Technologies, Inc. Div L3 Keo. Government technical data includes 19 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5945-01-047-6687 |
| Primary Part Number | 052407 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | L3 Technologies, Inc. Div L3 Keo |
| Status | ACTIVE |
| Nonpile-Up Auxiliary Contact Arrangement | 1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION |
| Mounting Facility Type and Quantity | 4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY |
| Main Contact Maximum Voltage Rating in Volts | 28.0 DC |
| Mounting Facility Pattern | RECTANGULAR SINGLE MOUNTING FACILITY |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 1.312 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Main Contact Load Current Rating at Maximum Rated Voltage | 100.0 AMPERES DC RESISTIVE LOAD |
| Duty Type | CONTINUOUS |
| Unthreaded Mounting Hole Diameter | 0.144 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Winding DC Resistance Rating | 80.0 OHMS NOMINAL SINGLE WINDING |
| Nominal Operating Current Rating and Type | 500.0 MILLIAMPERES DC SINGLE WINDING |
| Auxiliary Contact Load Current Rating at Maximum Rated Voltage | 1.0 AMPERES DC RESISTIVE LOAD |
| 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 |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 1.812 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Terminal Type and Quantity | 8 THREADED STUD ALL FUNCTIONS |
| Nonpile-Up Main Contact Arrangement | 2 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION |
| Auxiliary Contact Maximum Voltage Rating in Volts | 28.0 DC |
| 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 |
|---|---|
| 052407 PRIMARY | L3 Technologies, Inc. Div L3 Keo (USA) |
| 8247-0047 | Te Connectivity Corporation (USA) |
| Reference | Meaning |
|---|---|
| 8247-0047 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 885D052407 | C/1 Advisory reference — outside the item-of-supply concept Northrop Grumman Systems Corporation |
| 885D052407 | 5/9 Secondary reference L3 Technologies, Inc. Div L3 Keo |
| 8247-47 | 5/9 Secondary reference U.S. Government activity |
| 8247-0047 | 5/9 Secondary reference Te Connectivity Corporation |
NSN 5945-01-047-6687 is a Relay,electromagnetic, manufactured by L3 Technologies, Inc. Div L3 Keo, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-01-047-6687 has 2 manufacturer part numbers on file: 052407 (L3 Technologies, Inc. Div L3 Keo), 8247-0047 (Te Connectivity Corporation).
1 possible match (shared part number, not a government interchangeability claim): 1730-01-094-0549. Verify interchangeability with system specifications before substitution.
Key specifications for 052407: Nonpile-Up Auxiliary Contact Arrangement: 1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION; Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY; Overall Height: 2.906 INCHES NOMINAL IN; Main Contact Maximum Voltage Rating in Volts: 28.0 DC. 19 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.