The Relay,electromagnetic, cataloged under National Stock Number 5945-00-557-4079, 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 17 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5945-00-557-4079 |
| Primary Part Number | AP17A |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Te Connectivity Corporation |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 3 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY |
| Pile-Up Main Contact Form Arrangement | 4C |
| 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 | 5.0 AMPERES AC RESISTIVE LOAD |
| Duty Type | INTERMITTENT |
| Unthreaded Mounting Hole Diameter | 0.156 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Center to Center Distance Between Mounting Facilities Parallel to the Altitude of an Isosceles Triangle | 3.375 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Frequency in Hertz | 60.0 NOMINAL |
| Winding DC Resistance Rating | 235.0 OHMS NOMINAL SINGLE WINDING |
| Nominal Operating Current Rating and Type | 160.0 MILLIAMPERES AC SINGLE WINDING |
| Coil Quantity | 1 |
| Winding Quantity | 1 |
| Operating Voltage Rating and Type at Specified Temp | 115.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 0.875 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Terminal Type and Quantity | 2 TAB, SOLDER LUG ENERGIZING ELEMENT |
| Terminal Type and Quantity | 12 TAB, SOLDER LUG CONTACTS |
| 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 |
|---|---|
| 5015-484 | Raytheon Company Div Rmd Strategic (USA) |
| AP17A PRIMARY | Te Connectivity Corporation (USA) |
| Reference | Meaning |
|---|---|
| A50304 | 5/9 Secondary reference Drs Environmental Systems Inc |
| A50304 | 5/2 Secondary reference U.S. Government activity |
| AP17A115VAC | 5/9 Secondary reference Te Connectivity Corporation |
| 5015-484 | 5/2 Secondary reference U.S. Government activity |
| A50304 | 5/9 Secondary reference U.S. Government activity |
NSN 5945-00-557-4079 is a Relay,electromagnetic, manufactured by Te Connectivity Corporation, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-00-557-4079 has 2 manufacturer part numbers on file: 5015-484 (Raytheon Company Div Rmd Strategic), AP17A (Te Connectivity Corporation).
1 possible match (shared part number, not a government interchangeability claim): 5998-01-500-2276. Verify interchangeability with system specifications before substitution.
Key specifications for AP17A: Mounting Facility Type and Quantity: 3 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY; Overall Height: 2.310 INCHES NOMINAL IN; Pile-Up Main Contact Form Arrangement: 4C; Main Contact Maximum Voltage Rating in Volts: 120.0 AC. 17 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.