The Relay,electromagnetic, cataloged under National Stock Number 5945-01-211-1937, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Northrop Grumman Support Services Corp. Government technical data includes 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5945-01-211-1937 |
| Primary Part Number | 138C441H02 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Northrop Grumman Support Services Corp |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 3 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY |
| Pile-Up Main Contact Form Arrangement | 2C |
| Main Contact Maximum Voltage Rating in Volts | 120.0 AC |
| Mounting Facility Pattern | TRIANGLE SINGLE MOUNTING FACILITY |
| Main Contact Load Current Rating at Maximum Rated Voltage | 10.0 AMPERES AC RESISTIVE LOAD |
| Main Contact Load Current Rating at Maximum Rated Voltage | 5.0 AMPERES AC INDUCTIVE LOAD |
| Duty Type | INTERMITTENT |
| Unthreaded Mounting Hole Diameter | 0.147 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Center to Center Distance Between Mounting Facilities Parallel to the Altitude of an Isosceles Triangle | 1.844 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Frequency in Hertz | 60.0 NOMINAL |
| Nominal Operating Current Rating and Type | 40.0 MILLIAMPERES AC ALL WINDINGS |
| Time Delay | 30.00 SECONDS MINIMUM AND 300.00 SECONDS MAXIMUM ADJUSTABLE OPERATE TIME |
| Coil Quantity | 1 |
| Environmental Protection | HERMETIC |
| Winding Quantity | 1 |
| Terminal Type and Quantity | 12 PIN ALL FUNCTIONS |
| 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 |
|---|---|
| 138C441H02 PRIMARY | Northrop Grumman Support Services Corp (USA) |
| TD-1814-3003 | Leach International Corp Div Leach International Corporation (USA) |
| Reference | Meaning |
|---|---|
| 138C441H02 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5945-01-211-1937 is a Relay,electromagnetic, manufactured by Northrop Grumman Support Services Corp, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-01-211-1937 has 2 manufacturer part numbers on file: 138C441H02 (Northrop Grumman Support Services Corp), TD-1814-3003 (Leach International Corp Div Leach International Corporation).
Key specifications for 138C441H02: Mounting Facility Type and Quantity: 3 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY; Overall Height: 2.614 INCHES MAXIMUM IN; Pile-Up Main Contact Form Arrangement: 2C; Main Contact Maximum Voltage Rating in Volts: 120.0 AC. 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.