The Relay,electromagnetic, cataloged under National Stock Number 5945-00-658-3454, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Ohmite Holding, L.l.c. Dba Ohmite Manufacturing. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5945-00-658-3454 |
| Primary Part Number | QCX18 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Ohmite Holding, L.l.c. Dba Ohmite Manufacturing |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 2 THREADED HOLE(S) SINGLE MOUNTING FACILITY |
| Mounting Facility Pattern | DIAGONAL SINGLE MOUNTING FACILITY |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 0.812 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Duty Type | CONTINUOUS |
| Winding DC Resistance Rating | 238.0 OHMS NOMINAL SINGLE WINDING |
| Nominal Thread Size | 0.060 INCHES SINGLE MOUNTING FACILITY IN |
| Coil Quantity | 1 |
| 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 | 0.562 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Thread Class | 2B SINGLE MOUNTING FACILITY |
| Thread Quantity Per Inch | 80 SINGLE MOUNTING FACILITY |
| Terminal Type and Quantity | 2 SCREW CONTACTS |
| Terminal Type and Quantity | 2 TAB, SOLDER LUG ENERGIZING ELEMENT |
| Nonpile-Up Main Contact Arrangement | 1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION |
| Thread Series Designator | UNF 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 |
|---|---|
| QCX18 | Ohmite Holding, L.l.c. Dba Ohmite Manufacturing (USA) |
| Reference | Meaning |
|---|---|
| VC0336 | 5/9 Secondary reference Komatsu American Intl Co |
| VC0336 | 3/9 Design control — primary reference American Standard Inc Westinghouse Air Brake Co Div |
| SR3177 | 5/9 Secondary reference American Standard Inc Westinghouse Air Brake Co Div |
NSN 5945-00-658-3454 is a Relay,electromagnetic, manufactured by Ohmite Holding, L.l.c. Dba Ohmite Manufacturing, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-00-658-3454 has 1 manufacturer part number on file: QCX18 (Ohmite Holding, L.l.c. Dba Ohmite Manufacturing).
Key specifications for QCX18: Mounting Facility Type and Quantity: 2 THREADED HOLE(S) SINGLE MOUNTING FACILITY; Overall Height: 1.750 INCHES NOMINAL IN; Mounting Facility Pattern: DIAGONAL SINGLE MOUNTING FACILITY; Center to Center Distance Between Mounting Facilities Parallel to Length: 0.812 INCHES NOMINAL SINGLE MOUNTING FACILITY IN. 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.