The Relay,electromagnetic, cataloged under National Stock Number 5945-00-259-1900, is classified within Federal Supply Class 5945 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Gte Communication Systems Corp. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5945-00-259-1900 |
| Primary Part Number | H77863-1 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — No Item Name Available |
| Manufacturer | Gte Communication Systems Corp |
| Status | ACTIVE |
| Operating Voltage Rating and Type at Specified Temp | 46.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING |
| Mounting Facility Pattern | RECTANGULAR SINGLE MOUNTING FACILITY |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 0.375 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Mounting Facility Type and Quantity | 4 THREADED HOLE(S) SINGLE MOUNTING FACILITY |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY |
| Terminal Type and Quantity | 9 PIN ALL FUNCTIONS |
| Thread Class | 2B SINGLE MOUNTING FACILITY |
| Coil Quantity | 1 |
| Nominal Operating Current Rating and Type | 230.0 MILLIAMPERES DC SINGLE WINDING |
| Main Contact Load Current Rating at Maximum Rated Voltage | 1.0 AMPERES DC RESISTIVE LOAD |
| Thread Quantity Per Inch | 40 SINGLE MOUNTING FACILITY |
| Winding DC Resistance Rating | 450.0 OHMS NOMINAL SINGLE WINDING |
| Pile-Up Main Contact Form Arrangement | 2C |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 0.375 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Duty Type | CONTINUOUS |
| Main Contact Maximum Voltage Rating in Volts | 50.0 DC |
| Winding Quantity | 1 |
| Nominal Thread Size | 0.112 INCHES SINGLE MOUNTING FACILITY IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5945-00-259-1900 is a Relay,electromagnetic, manufactured by Gte Communication Systems Corp, classified under FSC 5945 (No Item Name Available). Status: active.
NSN 5945-00-259-1900 has 2 cross-referenced part numbers: H77863-1 (Gte Communication Systems Corp), 985-005 (Triumph Thermal Systems - Maryland, Inc.).
There are 2 known substitutes for 5945-00-259-1900: 4330-01-284-6203, 5930-01-660-6571. Verify interchangeability with system specifications before substitution.
Key specifications for H77863-1: Operating Voltage Rating and Type at Specified Temp: 46.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING; Mounting Facility Pattern: RECTANGULAR SINGLE MOUNTING FACILITY; Center to Center Distance Between Mounting Facilities Parallel to Length: 0.375 INCHES NOMINAL SINGLE MOUNTING FACILITY IN; Mounting Facility Type and Quantity: 4 THREADED HOLE(S) SINGLE MOUNTING FACILITY. 21 total characteristics are documented in the Federal Logistics Information System.