The Relay,electromagnetic, cataloged under National Stock Number 5945-00-902-0500, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Fairbanks Morse, Llc. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5945-00-902-0500 |
| Primary Part Number | 11903123 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Fairbanks Morse, Llc |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY |
| Main Contact Maximum Voltage Rating in Volts | 115.0 DC |
| Mounting Facility Pattern | RECTANGULAR SINGLE MOUNTING FACILITY |
| Main Contact Load Current Rating at Maximum Rated Voltage | 6.0 AMPERES DC RESISTIVE LOAD |
| Duty Type | CONTINUOUS |
| Unthreaded Mounting Hole Diameter | 0.164 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Center to Center Distance Between Mounting Facilities Parallel to Height | 2.125 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Coil Quantity | 1 |
| Winding Quantity | 1 |
| Operating Voltage Rating and Type at Specified Temp | 115.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 2.250 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Terminal Type and Quantity | 14 SCREW ALL FUNCTIONS |
| Nonpile-Up Main Contact Arrangement | 6 POLE, SINGLE THROW, NORMALLY OPEN, 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 |
|---|---|
| 11903123 PRIMARY | Fairbanks Morse, Llc (USA) |
| Reference | Meaning |
|---|---|
| 11903123 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5945-00-902-0500 is a Relay,electromagnetic, manufactured by Fairbanks Morse, Llc, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-00-902-0500 has 1 manufacturer part number on file: 11903123 (Fairbanks Morse, Llc).
Key specifications for 11903123: Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY; Overall Height: 5.969 INCHES NOMINAL IN; Main Contact Maximum Voltage Rating in Volts: 115.0 DC; Mounting Facility Pattern: RECTANGULAR SINGLE MOUNTING FACILITY. 13 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.