The Relay,electromagnetic, cataloged under National Stock Number 5945-01-208-5327, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Te Connectivity Corporation. Government technical data includes 19 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5945-01-208-5327 |
| Primary Part Number | P40C42A12D1120 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Te Connectivity Corporation |
| Status | ACTIVE |
| Nonpile-Up Auxiliary Contact Arrangement | 1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY |
| Mounting Facility Type and Quantity | 4 SLOTTED HOLE SINGLE MOUNTING FACILITY |
| Main Contact Maximum Voltage Rating in Volts | 120.0 AC |
| Mounting Facility Pattern | RECTANGULAR SINGLE MOUNTING FACILITY |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 3.125 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Precious Material | SILVER |
| Main Contact Load Current Rating at Maximum Rated Voltage | 50.0 AMPERES AC RESISTIVE LOAD |
| Duty Type | CONTINUOUS |
| Frequency in Hertz | 50.0 MINIMUM AND 60.0 MAXIMUM |
| Auxiliary Contact Load Current Rating at Maximum Rated Voltage | 10.0 AMPERES AC RESISTIVE LOAD |
| Coil Quantity | 1 |
| Precious Material and Location | CONTACTS SILVER |
| Winding Quantity | 1 |
| Operating Voltage Rating and Type at Specified Temp | 120.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 1.500 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Terminal Type and Quantity | 14 SCREW ALL FUNCTIONS |
| Nonpile-Up Main Contact Arrangement | 3 POLE, SINGLE THROW, NORMALLY OPEN, DOUBLE MAKE, MOMENTARY ACTION |
| Auxiliary Contact Maximum Voltage Rating in Volts | 240.0 AC |
| Mounting Slot Width | 0.210 INCHES NOMINAL SINGLE 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 |
|---|---|
| P40C42A12D1120 | Te Connectivity Corporation (USA) |
| Reference | Meaning |
|---|---|
| C11488-2 | 3/2 Design control — primary reference U.S. Government activity |
| 1001015 | C/1 Advisory reference — outside the item-of-supply concept Autotest Co |
NSN 5945-01-208-5327 is a Relay,electromagnetic, manufactured by Te Connectivity Corporation, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-01-208-5327 has 1 manufacturer part number on file: P40C42A12D1120 (Te Connectivity Corporation).
2 possible matches (shared part number, not a government interchangeability claim): 5905-01-255-3784, 3510-01-394-0506. Verify interchangeability with system specifications before substitution.
Key specifications for P40C42A12D1120: Nonpile-Up Auxiliary Contact Arrangement: 1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY; Mounting Facility Type and Quantity: 4 SLOTTED HOLE SINGLE MOUNTING FACILITY; Overall Height: 3.420 INCHES MAXIMUM IN; Main Contact Maximum Voltage Rating in Volts: 120.0 AC. 19 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.