The Relay,electromagnetic, cataloged under National Stock Number 5945-00-690-1692, 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 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5945-00-690-1692 |
| Primary Part Number | 64A57A78 |
| 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 |
| Nonpile-Up Auxiliary Contact Arrangement | 1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION |
| Mounting Facility Type and Quantity | 4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY |
| Main Contact Maximum Voltage Rating in Volts | 115.0 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 | 40.0 AMPERES AC RESISTIVE LOAD |
| Duty Type | CONTINUOUS |
| Unthreaded Mounting Hole Diameter | 0.173 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Frequency in Hertz | 60.0 NOMINAL |
| Coil Quantity | 1 |
| Environmental Protection | HERMETIC |
| 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 | 2.000 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Terminal Type and Quantity | 8 PIN ALL FUNCTIONS |
| Nonpile-Up Main Contact Arrangement | 2 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION |
| Auxiliary Contact Maximum Voltage Rating in Volts | 115.0 AC AND 28.0 DC |
| 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 |
|---|---|
| 64A57A78 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| H-A2F | Leach International Corp Div Leach International Corporation (USA) |
| Reference | Meaning |
|---|---|
| DHR7AD | 5/9 Secondary reference Te Connectivity Corporation |
NSN 5945-00-690-1692 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 5945-00-690-1692 has 2 manufacturer part numbers on file: 64A57A78 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), H-A2F (Leach International Corp Div Leach International Corporation).
Key specifications for 64A57A78: Nonpile-Up Auxiliary Contact Arrangement: 1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION; Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY; Overall Height: 2.440 INCHES NOMINAL IN; Main Contact Maximum Voltage Rating in Volts: 115.0 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.