The Relay,electromagnetic, cataloged under National Stock Number 5945-00-238-9797, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Mpc Products Corporation Dba Woodward Mpc, Inc.. Government technical data includes 17 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5945-00-238-9797 |
| Primary Part Number | 12884-2 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Mpc Products Corporation Dba Woodward Mpc, Inc. |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 2 THREADED HOLE(S) SINGLE MOUNTING FACILITY |
| Main Contact Maximum Voltage Rating in Volts | 40.0 DC |
| Mounting Facility Pattern | RECTANGULAR SINGLE MOUNTING FACILITY |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 0.500 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Main Contact Load Current Rating at Maximum Rated Voltage | 20.0 AMPERES DC RESISTIVE LOAD |
| Duty Type | CONTINUOUS |
| Winding DC Resistance Rating | 280.0 OHMS NOMINAL SINGLE WINDING |
| Nominal Operating Current Rating and Type | 50.0 MILLIAMPERES DC SINGLE WINDING |
| Nominal Thread Size | 0.138 INCHES SINGLE MOUNTING FACILITY IN |
| Coil Quantity | 1 |
| Winding Quantity | 1 |
| Operating Voltage Rating and Type at Specified Temp | 20.0 VOLTS DC 25 DEG CELSIUS ALL WINDINGS |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 1.312 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Thread Class | 2A SINGLE MOUNTING FACILITY A |
| Terminal Type and Quantity | 4 PIN ALL FUNCTIONS |
| Nonpile-Up Main Contact Arrangement | 1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION |
| 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 |
|---|---|
| 12884-2 PRIMARY | Mpc Products Corporation Dba Woodward Mpc, Inc. (USA) |
| Reference | Meaning |
|---|---|
| BL34613 | 5/9 Secondary reference Lucent Technologies Inc Advanced Technology Systems |
NSN 5945-00-238-9797 is a Relay,electromagnetic, manufactured by Mpc Products Corporation Dba Woodward Mpc, Inc., classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-00-238-9797 has 1 manufacturer part number on file: 12884-2 (Mpc Products Corporation Dba Woodward Mpc, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-433-3534. Verify interchangeability with system specifications before substitution.
Key specifications for 12884-2: Mounting Facility Type and Quantity: 2 THREADED HOLE(S) SINGLE MOUNTING FACILITY; Overall Height: 2.120 INCHES NOMINAL IN; Main Contact Maximum Voltage Rating in Volts: 40.0 DC; Mounting Facility Pattern: RECTANGULAR SINGLE MOUNTING FACILITY. 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.