The Relay,electromagnetic, cataloged under National Stock Number 5945-00-688-8977, 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 Herley Chicago Dba Stewart Warner Electronics. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5945-00-688-8977 |
| Primary Part Number | G576978 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — No Item Name Available |
| Manufacturer | Herley Chicago Dba Stewart Warner Electronics |
| Status | ACTIVE |
| Winding DC Resistance Rating | 200.0 OHMS NOMINAL SINGLE WINDING |
| Main Contact Load Current Rating at Maximum Rated Voltage | 5.0 AMPERES DC RESISTIVE LOAD |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 0.656 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Duty Type | INTERMITTENT |
| Mounting Facility Pattern | DIAGONAL SINGLE MOUNTING FACILITY |
| Thread Class | 2B SINGLE MOUNTING FACILITY |
| Terminal Type and Quantity | 15 PIN ALL FUNCTIONS |
| Environmental Protection | HERMETIC |
| Mounting Facility Type and Quantity | 2 THREADED HOLE(S) SINGLE MOUNTING FACILITY |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 0.375 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Coil Quantity | 1 |
| Pile-Up Main Contact Form Arrangement | 2C AND 3A A |
| Operating Voltage Rating and Type at Specified Temp | 27.5 VOLTS DC 25 DEG CELSIUS SINGLE WINDING |
| Nominal Thread Size | 0.112 INCHES SINGLE MOUNTING FACILITY IN |
| Main Contact Maximum Voltage Rating in Volts | 27.5 DC |
| Winding Quantity | 1 |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5945-00-688-8977 is a Relay,electromagnetic, manufactured by Herley Chicago Dba Stewart Warner Electronics, classified under FSC 5945 (No Item Name Available). Status: active.
NSN 5945-00-688-8977 has 3 cross-referenced part numbers: G576978 (Herley Chicago Dba Stewart Warner Electronics), A45-230 (Se Relays Llc (magnecraft) Div Se Relays Llc (magnecraft)), 33HSX-144 (Se Relays Llc (magnecraft) Div Se Relays Llc (magnecraft)).
There is 1 known substitute for 5945-00-688-8977: 3110-00-100-2363. Verify interchangeability with system specifications before substitution.
Key specifications for G576978: Winding DC Resistance Rating: 200.0 OHMS NOMINAL SINGLE WINDING; Main Contact Load Current Rating at Maximum Rated Voltage: 5.0 AMPERES DC RESISTIVE LOAD; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY; Center to Center Distance Between Mounting Facilities Parallel to Length: 0.656 INCHES NOMINAL SINGLE MOUNTING FACILITY IN. 22 total characteristics are documented in the Federal Logistics Information System.