The Relay,electromagnetic, cataloged under National Stock Number 5945-00-244-4328, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is General Motors Llc Dba General Motors Llc. Government technical data includes 15 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5945-00-244-4328 |
| Primary Part Number | 12957-1 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | General Motors Llc Dba General Motors Llc |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 2 UNTHREADED HOLE(S) FIRST MOUNTING FACILITY |
| Mounting Facility Type and Quantity | 2 SLOTTED HOLE SECOND MOUNTING FACILITY |
| Main Contact Maximum Voltage Rating in Volts | 28.0 DC |
| Mounting Facility Pattern | IN-LINE SINGLE MOUNTING FACILITY |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 1.375 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Main Contact Load Current Rating at Maximum Rated Voltage | 10.0 AMPERES DC RESISTIVE LOAD |
| Duty Type | CONTINUOUS |
| Unthreaded Mounting Hole Diameter | 0.154 INCHES NOMINAL FIRST MOUNTING FACILITY IN |
| Winding DC Resistance Rating | 150.0 OHMS NOMINAL SINGLE WINDING |
| Coil Quantity | 1 |
| Winding Quantity | 1 |
| Operating Voltage Rating and Type at Specified Temp | 28.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING |
| Terminal Type and Quantity | 11 PIN ALL FUNCTIONS |
| Nonpile-Up Main Contact Arrangement | 3 POLE, DOUBLE THROW, ONE POSITION MOMENTARY |
| Mounting Slot Width | 0.154 INCHES NOMINAL SECOND MOUNTING FACILITY IN |
| 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 |
|---|---|
| 12957-1 | General Motors Llc Dba General Motors Llc (USA) |
| 27D | General Motors Llc Dba General Motors Llc (USA) |
| Reference | Meaning |
|---|---|
| 405-0009-00 | 3/9 Design control — primary reference Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
| 12957-1 | 5/9 Secondary reference General Motors Corp |
| 27D | 5/9 Secondary reference General Motors Corp |
NSN 5945-00-244-4328 is a Relay,electromagnetic, manufactured by General Motors Llc Dba General Motors Llc, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-00-244-4328 has 2 manufacturer part numbers on file: 12957-1 (General Motors Llc Dba General Motors Llc), 27D (General Motors Llc Dba General Motors Llc).
3 possible matches (shared part number, not a government interchangeability claim): 5910-00-914-9051, 5305-01-414-8984, 4320-01-564-1288. Verify interchangeability with system specifications before substitution.
Key specifications for 12957-1: Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S) FIRST MOUNTING FACILITY; Mounting Facility Type and Quantity: 2 SLOTTED HOLE SECOND MOUNTING FACILITY; Overall Height: 2.310 INCHES NOMINAL IN; Main Contact Maximum Voltage Rating in Volts: 28.0 DC. 15 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.