The Relay,electromagnetic, cataloged under National Stock Number 5945-01-199-8861, 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 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5945-01-199-8861 |
| Primary Part Number | 5788523-1 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 1 TERMINAL SINGLE MOUNTING FACILITY |
| Fragility Factor | MODERATELY RUGGED |
| Arc Quenching Method | AIR |
| Overall Diameter | 1.250 INCHES NOMINAL IN |
| Main Contact Load Current Rating at Maximum Rated Voltage | 20.0 AMPERES DC RESISTIVE LOAD |
| Duty Type | CONTINUOUS |
| Storage Type | GENERAL PURPOSE WAREHOUSE |
| Winding DC Resistance Rating | 220.0 OHMS NOMINAL SINGLE WINDING |
| Time Delay | 0.018 SECONDS MAXIMUM FIXED OPERATE AND RELEASE TIME |
| Coil Quantity | 1 |
| Environmental Protection | DUSTPROOF |
| Winding Quantity | 1 |
| Operating Voltage Rating and Type at Specified Temp | 26.5 VOLTS DC 25 DEG CELSIUS SINGLE WINDING |
| Terminal Type and Quantity | 4 WIRE LEAD ALL FUNCTIONS |
| Nonpile-Up Main Contact Arrangement | 1 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 |
|---|---|
| 5788523-1 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| RF4A-26S | 5/9 Secondary reference Jennings Technology Company Llc Dba Jennings |
NSN 5945-01-199-8861 is a Relay,electromagnetic, manufactured by Naval Sea Systems Command, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-01-199-8861 has 1 manufacturer part number on file: 5788523-1 (Naval Sea Systems Command).
Key specifications for 5788523-1: Mounting Facility Type and Quantity: 1 TERMINAL SINGLE MOUNTING FACILITY; Fragility Factor: MODERATELY RUGGED; Arc Quenching Method: AIR; Overall Diameter: 1.250 INCHES NOMINAL 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.