The Relay,electromagnetic, cataloged under National Stock Number 5945-01-343-8835, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Watlow Electric Manufacturing Co Dba Watlow. Government technical data includes 26 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5945-01-343-8835 |
| Primary Part Number | 201-0-2-23 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Watlow Electric Manufacturing Co Dba Watlow |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 1 PLUG-IN TERMINAL(S) FIRST MOUNTING FACILITY |
| Mounting Facility Type and Quantity | 2 SLOTTED HOLE SECOND MOUNTING FACILITY |
| Main Contact Maximum Voltage Rating in Volts | 120.0 AC AND 28.0 DC |
| Fragility Factor | MODERATELY RUGGED |
| Mounting Facility Pattern | IN-LINE SECOND MOUNTING FACILITY |
| Arc Quenching Method | AIR |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 1.396 INCHES MINIMUM AND 1.446 INCHES MAXIMUM SECOND MOUNTING FACILITY IN |
| Precious Material | GOLD |
| Main Contact Load Current Rating at Maximum Rated Voltage | 4.0 AMPERES AC AND 4.0 AMPERES DC MOTOR LOAD |
| Main Contact Load Current Rating at Maximum Rated Voltage | 2.0 AMPERES AC AND 2.0 AMPERES DC LAMP LOAD |
| Main Contact Load Current Rating at Maximum Rated Voltage | 10.0 AMPERES AC AND 10.0 AMPERES DC RESISTIVE LOAD |
| Main Contact Load Current Rating at Maximum Rated Voltage | 8.0 AMPERES AC AND 8.0 AMPERES DC INDUCTIVE LOAD |
| Duty Type | CONTINUOUS |
| Storage Type | GENERAL PURPOSE WAREHOUSE |
| Features Provided | POLARIZED |
| Time Delay | 0.01 SECONDS NOMINAL FIXED OPERATE AND RELEASE TIME |
| Coil Quantity | 1 |
| Environmental Protection | SHOCK RESISTANT AND VIBRATION RESISTANT |
| Precious Material and Location | TERMINAL SURFACES GOLD |
| Cubic Measure | 1.182 CUBIC INCHES |
| Winding Quantity | 1 |
| Operating Voltage Rating and Type at Specified Temp | 28.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING |
| Terminal Type and Quantity | 8 PIN ALL FUNCTIONS |
| Nonpile-Up Main Contact Arrangement | 2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY |
| Purpose for Which Designed | GENERAL |
| Mounting Slot Width | 0.150 INCHES NOMINAL SECOND MOUNTING FACILITY IN |
| 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 |
|---|---|
| 201-0-2-23 | Watlow Electric Manufacturing Co Dba Watlow (USA) |
| Reference | Meaning |
|---|---|
| FCA210AY4 | 3/9 Design control — primary reference Struthers-Dunn Inc |
NSN 5945-01-343-8835 is a Relay,electromagnetic, manufactured by Watlow Electric Manufacturing Co Dba Watlow, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-01-343-8835 has 1 manufacturer part number on file: 201-0-2-23 (Watlow Electric Manufacturing Co Dba Watlow).
1 possible match (shared part number, not a government interchangeability claim): 5945-01-666-9250. Verify interchangeability with system specifications before substitution.
Key specifications for 201-0-2-23: Mounting Facility Type and Quantity: 1 PLUG-IN TERMINAL(S) FIRST MOUNTING FACILITY; Mounting Facility Type and Quantity: 2 SLOTTED HOLE SECOND MOUNTING FACILITY; Overall Height: 1.310 INCHES NOMINAL IN; Main Contact Maximum Voltage Rating in Volts: 120.0 AC AND 28.0 DC. 26 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.