The Relay,electromagnetic, cataloged under National Stock Number 5945-01-157-2730, 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 27 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5945-01-157-2730 |
| Primary Part Number | KHAU17D12-24V |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Te Connectivity Corporation |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 1 THREADED STUD(S) SECOND MOUNTING FACILITY |
| Mounting Facility Type and Quantity | 1 PLUG-IN TERMINAL(S) FIRST MOUNTING FACILITY |
| Main Contact Maximum Voltage Rating in Volts | 120.0 AC AND 30.0 DC |
| Fragility Factor | MODERATELY RUGGED |
| Arc Quenching Method | AIR |
| Precious Material | SILVER |
| Main Contact Load Current Rating at Maximum Rated Voltage | 3.0 AMPERES AC AND 3.0 AMPERES DC RESISTIVE LOAD |
| Thread Length | 0.312 INCHES NOMINAL SECOND MOUNTING FACILITY IN |
| Duty Type | CONTINUOUS |
| Storage Type | GENERAL PURPOSE WAREHOUSE |
| Thread Direction | RIGHT-HAND SECOND MOUNTING FACILITY |
| Nominal Thread Size | 0.099 INCHES SECOND MOUNTING FACILITY IN |
| Coil Quantity | 1 |
| Environmental Protection | DUSTPROOF |
| Precious Material and Location | CONTACTS SILVER |
| Cubic Measure | 1.547 CUBIC INCHES |
| Winding Quantity | 1 |
| Operating Voltage Rating and Type at Specified Temp | 28.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING |
| Thread Class | 2A SECOND MOUNTING FACILITY A |
| Thread Quantity Per Inch | 48 SECOND MOUNTING FACILITY |
| Material | PLASTIC CASE |
| Material | SILVER CONTACT |
| Energizing Element Power Rating | 2.0 WATTS |
| Terminal Type and Quantity | 14 TAB, SOLDER LUG ALL FUNCTIONS |
| Nonpile-Up Main Contact Arrangement | 4 POLE, DOUBLE THROW, ONE POSITION MOMENTARY |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SECOND MOUNTING FACILITY |
| 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 |
|---|---|
| KHAU17D12-24V PRIMARY | Te Connectivity Corporation (USA) |
| Reference | Meaning |
|---|---|
| KHP-17D52-28 | 5/9 Secondary reference Te Connectivity Corporation |
| 4PDT | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 5945-01-157-2730 is a Relay,electromagnetic, manufactured by Te Connectivity Corporation, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-01-157-2730 has 1 manufacturer part number on file: KHAU17D12-24V (Te Connectivity Corporation).
Key specifications for KHAU17D12-24V: Mounting Facility Type and Quantity: 1 THREADED STUD(S) SECOND MOUNTING FACILITY; Mounting Facility Type and Quantity: 1 PLUG-IN TERMINAL(S) FIRST MOUNTING FACILITY; Overall Height: 1.624 INCHES MAXIMUM IN; Main Contact Maximum Voltage Rating in Volts: 120.0 AC AND 30.0 DC. 27 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.