The Relay,electromagnetic, cataloged under National Stock Number 5945-00-721-0640, 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 Boeing Commercial Airplane Co Boeing Co Portland. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5945-00-721-0640 |
| Primary Part Number | 68GB3-3D600 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — No Item Name Available |
| Manufacturer | Boeing Commercial Airplane Co Boeing Co Portland |
| Status | CANCELLED |
| Coil Quantity | 1 |
| Duty Type | CONTINUOUS |
| Winding Quantity | 1 |
| Main Contact Maximum Voltage Rating in Volts | 115.0 AC AND 28.0 DC |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 1.062 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Unthreaded Mounting Hole Diameter | 0.122 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Environmental Protection | HERMETIC |
| Main Contact Load Current Rating at Maximum Rated Voltage | 2.0 AMPERES AC AND 2.0 AMPERES DC RESISTIVE LOAD |
| Mounting Facility Type and Quantity | 2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY |
| Terminal Type and Quantity | 8 PIN ALL FUNCTIONS |
| Nonpile-Up Main Contact Arrangement | 2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY |
| Mounting Facility Pattern | IN-LINE SINGLE MOUNTING FACILITY |
| Winding DC Resistance Rating | 600.0 OHMS NOMINAL SINGLE WINDING |
| Operating Voltage Rating and Type at Specified Temp | 14.5 VOLTS DC 25 DEG CELSIUS SINGLE WINDING |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 68GB3-3D600 | Boeing Commercial Airplane Co Boeing Co Portland (USA) |
| 4564849-1 | Itt Industries Inc Itt Aerospace Communications Div East (USA) |
| 4564849-1 | L3harris Technologies, Inc. Dba Harris Corporation (USA) |
| 1005-3-3 | Guardian Electric Manufacturing Co Div Guardian Electric Mfg Co (USA) |
| 49825-2 | Raytheon Company Dba Raytheon (USA) |
| R683-3D600 | Electronic Specialty Corp Relay Div (USA) |
NSN 5945-00-721-0640 is a Relay,electromagnetic, manufactured by Boeing Commercial Airplane Co Boeing Co Portland, classified under FSC 5945 (No Item Name Available). Status: cancelled.
NSN 5945-00-721-0640 has 6 cross-referenced part numbers: 68GB3-3D600 (Boeing Commercial Airplane Co Boeing Co Portland), 4564849-1 (Itt Industries Inc Itt Aerospace Communications Div East), 4564849-1 (L3harris Technologies, Inc. Dba Harris Corporation), 1005-3-3 (Guardian Electric Manufacturing Co Div Guardian Electric Mfg Co), 49825-2 (Raytheon Company Dba Raytheon) and 1 more.
There are 4 known substitutes for 5945-00-721-0640: 3040-00-174-3380, 5920-00-280-5066, 4730-01-296-4033 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 68GB3-3D600: Coil Quantity: 1; Duty Type: CONTINUOUS; Overall Width: 0.420 INCHES NOMINAL IN; Winding Quantity: 1. 17 total characteristics are documented in the Federal Logistics Information System.
NSN 5945-00-721-0640 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.