The Relay,electromagnetic, cataloged under National Stock Number 5945-00-255-6402, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 15 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5945-00-255-6402 |
| Primary Part Number | 479887PC9 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY |
| Main Contact Maximum Voltage Rating in Volts | 220.0 AC |
| Mounting Facility Pattern | RECTANGULAR SINGLE MOUNTING FACILITY |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 2.000 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Main Contact Load Current Rating at Maximum Rated Voltage | 1.0 AMPERES AC RESISTIVE LOAD |
| Duty Type | CONTINUOUS |
| Unthreaded Mounting Hole Diameter | 0.188 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Winding DC Resistance Rating | 1.8 KILOHMS NOMINAL SINGLE WINDING |
| Nominal Operating Current Rating and Type | 30.0 MILLIAMPERES DC SINGLE WINDING |
| Coil Quantity | 1 |
| Winding Quantity | 1 |
| Operating Voltage Rating and Type at Specified Temp | 100.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 2.000 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Terminal Type and Quantity | 18 PIN ALL FUNCTIONS |
| Nonpile-Up Main Contact Arrangement | 4 TWO CIRCUIT, BOTH POSITIONS MAINTAINED |
| 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 |
|---|---|
| A18391 | Te Connectivity Corporation (USA) |
| 479887PC9 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| A18391 | 5/9 Secondary reference Te Connectivity Corporation |
| A18391 | 5/9 Secondary reference Cp Clare Corp North American Sales Operations |
NSN 5945-00-255-6402 is a Relay,electromagnetic, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-00-255-6402 has 2 manufacturer part numbers on file: A18391 (Te Connectivity Corporation), 479887PC9 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
1 possible match (shared part number, not a government interchangeability claim): 1680-01-545-1231. Verify interchangeability with system specifications before substitution.
Key specifications for 479887PC9: Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY; Overall Height: 5.060 INCHES NOMINAL IN; Main Contact Maximum Voltage Rating in Volts: 220.0 AC; Mounting Facility Pattern: RECTANGULAR SINGLE MOUNTING FACILITY. 15 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.