The Relay,electromagnetic, cataloged under National Stock Number 5945-01-288-6244, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 21 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5945-01-288-6244 |
| Primary Part Number | 5193740 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY |
| Main Contact Maximum Voltage Rating in Volts | 115.0 AC |
| Mounting Facility Pattern | RECTANGULAR SINGLE MOUNTING FACILITY |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 4.547 INCHES MINIMUM AND 4.577 INCHES MAXIMUM SINGLE MOUNTING FACILITY IN |
| Main Contact Load Current Rating at Maximum Rated Voltage | 20.0 AMPERES AC RESISTIVE LOAD |
| Main Contact Load Current Rating at Maximum Rated Voltage | 20.0 AMPERES AC INDUCTIVE LOAD |
| Duty Type | CONTINUOUS |
| Unthreaded Mounting Hole Diameter | 0.200 INCHES MINIMUM AND 0.207 INCHES MAXIMUM SINGLE MOUNTING FACILITY IN |
| Frequency in Hertz | 60.0 NOMINAL |
| Nominal Operating Current Rating and Type | 60.0 MILLIAMPERES AC SINGLE WINDING |
| Time Delay | 0.02 SECONDS MAXIMUM FIXED OPERATE TIME |
| Time Delay | 0.05 SECONDS MAXIMUM FIXED RELEASE TIME |
| Coil Quantity | 1 |
| Environmental Protection | SHOCK PROOF AND VIBRATION PROOF |
| Cubic Measure | 42.471 CUBIC INCHES |
| Winding Quantity | 1 |
| Operating Voltage Rating and Type at Specified Temp | 115.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 2.797 INCHES MINIMUM AND 2.827 INCHES MAXIMUM SINGLE MOUNTING FACILITY IN |
| Terminal Type and Quantity | 8 TAB W/SCREW ALL FUNCTIONS |
| Nonpile-Up Main Contact Arrangement | 3 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION |
| Purpose for Which Designed | GENERAL |
| 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 |
|---|---|
| 5193740 PRIMARY | Naval Sea Systems Command (USA) |
| 9324-10122 | Leach International Corp Div Leach International Corporation (USA) |
| Reference | Meaning |
|---|---|
| 1204458 | 5/9 Secondary reference Lockheed Martin Corporation Div Rms - Mitchel Field |
NSN 5945-01-288-6244 is a Relay,electromagnetic, manufactured by Naval Sea Systems Command, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-01-288-6244 has 2 manufacturer part numbers on file: 5193740 (Naval Sea Systems Command), 9324-10122 (Leach International Corp Div Leach International Corporation).
1 possible match (shared part number, not a government interchangeability claim): 6550-01-565-1662. Verify interchangeability with system specifications before substitution.
Key specifications for 5193740: Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY; Overall Height: 2.475 INCHES MINIMUM AND 2.495 INCHES MAXIMUM IN; Main Contact Maximum Voltage Rating in Volts: 115.0 AC; Mounting Facility Pattern: RECTANGULAR SINGLE MOUNTING FACILITY. 21 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.