Part Details | ELECTRICAL RESISTANCE TEMPERATURE TRANSMITTER
6685-01-387-0420 A device having a temperature sensing element whose electrical resistance varies with a change in temperature. It is designed to transmit information relative to temperature to an INDICATOR, TEMPERATURE, ELECTRICAL RESISTANCE. It may be a component part of a THERMOMETER, INDICATING, RESISTANCE; THERMOMETER, RECORDING, RESISTANCE. Excludes THERMOCOUPLE (as modified).
Alternate Parts: 62295211, 622952-1-1, 17B1N4073501, 17B1N4073-501, 62295211, 622952-1-1, 6685-01-387-0420, 01-387-0420, 6685013870420, 013870420
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | FEB 24, 1994 | 01-387-0420 | 20340 ( TRANSMITTER, TEMPERATURE, ELECTRICAL RESISTANCE ) |
REFERENCE DRAWINGS & PICTURES
TRANSMITTER, 24V DC
Cross Reference | NSN 6685-01-387-0420
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 622952-1-1 | 88277 | BOEING COMPANY, THEDBA BOEING |
| 17B1N4073-501 | 88277 | BOEING COMPANY, THEDBA BOEING |
| 622952-1-1 | 70210 | HONEYWELL INTERNATIONAL INC.DBA HONEYWELL |
Technical Data | NSN 6685-01-387-0420
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | TRANSMITTER, 24V DC |
| DISTANCE ACROSS WRENCHING SURFACE FLATS | 0.861 INCHES MINIMUM AND 0.875 INCHES MAXIMUM |
| OVERALL LENGTH | 2.800 INCHES NOMINAL |
| THREAD LENGTH | 0.500 INCHES MINIMUM AND 0.520 INCHES MAXIMUM |
| OPERATING TEMP RANGE | -20.0 TO +240.0 DEG FAHRENHEIT |
| TERMINAL TYPE AND QUANTITY | 1 CONNECTOR, RECEPTACLE |
| SPECIAL FEATURES | HERMETICALLY SEALED UNIT CONSISTING OF A SINGLE ISOTHERM-PAIR THERMISTOR FOR REQUIRED ACCURACY OVER THE TEMP RANGE, A METAL ENCLOSED SENSING ELEMENT FOR PROTECTION AND A THREADED BOSS NUT |
| FUNCTIONAL DESCRIPTION | PROVIDES A TEMPERATURE SIGNAL TO THE ECS CONTROLLER; THE CONTROLLER USES THIS SIGNAL TO CONTROL THE OBIGGS HEAT EXCHANGER BYPASS VALVE MIX POINT TEMPERATURE FROM FALLING BELOW 50 DEG F; THE SENSOR IS INSTALLED DOWNSTREAM OF THE OBIGGS HEAT BYPASS VALVE/HEAT EXCHANGER |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | TEMPERATURE SENSOR |