The Relay,electromagnetic, cataloged under National Stock Number 5945-00-552-2200, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Eaton Corp Opns & Technical Center. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5945-00-552-2200 |
| Primary Part Number | 9-1356-4 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Eaton Corp Opns & Technical Center |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 3 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY |
| Main Contact Maximum Voltage Rating in Volts | 250.0 DC |
| Mounting Facility Pattern | TRIANGLE SINGLE MOUNTING FACILITY |
| Main Contact Load Current Rating at Maximum Rated Voltage | 50.0 AMPERES DC RESISTIVE LOAD |
| Duty Type | CONTINUOUS |
| Unthreaded Mounting Hole Diameter | 0.375 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Center to Center Distance Between Mounting Facilities Parallel to the Altitude of an Isosceles Triangle | 4.312 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Winding DC Resistance Rating | 1.11 KILOHMS NOMINAL SINGLE WINDING |
| Nominal Operating Current Rating and Type | 220.0 MILLIAMPERES DC SINGLE WINDING |
| Coil Quantity | 1 |
| Winding Quantity | 1 |
| Operating Voltage Rating and Type at Specified Temp | 250.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING |
| 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 |
|---|---|
| 9-1356-4 | Eaton Corp Opns & Technical Center (USA) |
| 5234ALT3PC4 | Eaton Corp Opns & Technical Center (USA) |
| Reference | Meaning |
|---|---|
| 313-63-22ALT3PC4 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5945-00-552-2200 is a Relay,electromagnetic, manufactured by Eaton Corp Opns & Technical Center, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-00-552-2200 has 2 manufacturer part numbers on file: 9-1356-4 (Eaton Corp Opns & Technical Center), 5234ALT3PC4 (Eaton Corp Opns & Technical Center).
2 possible matches (shared part number, not a government interchangeability claim): 2805-00-695-7191, 5945-00-783-1050. Verify interchangeability with system specifications before substitution.
Key specifications for 9-1356-4: Mounting Facility Type and Quantity: 3 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY; Overall Height: 5.620 INCHES NOMINAL IN; Main Contact Maximum Voltage Rating in Volts: 250.0 DC; Mounting Facility Pattern: TRIANGLE SINGLE MOUNTING FACILITY. 12 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.