The Sensor,ambient Temperature, cataloged under National Stock Number 6685-01-511-0052, is classified within Federal Supply Class 6685 (Pressure, Temperature, and Humidity Measuring and Controlling Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Rosemount Aerospace Inc. Dba Rosemount Aerospace Division Div Utas. Government technical data includes 5 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-511-0052 |
| Primary Part Number | 123DR3 |
| Item Name | Sensor,ambient Temperature |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Rosemount Aerospace Inc. Dba Rosemount Aerospace Division Div Utas |
| Status | ACTIVE |
| Current Type | DC |
| Actuation Type | THERMOCOUPLE |
| Physical Form | RECTANGULAR |
| Operating Temp Range | -57.0 TO 85.0 CELSIUS DEGC |
| Voltage Rating | 28.0 VOLTS NOMINAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 525-11433-603 | Northrop Grumman Systems Corporation (USA) |
| 123DR3 PRIMARY | Rosemount Aerospace Inc. Dba Rosemount Aerospace Division Div Utas (USA) |
NSN 6685-01-511-0052 is a Sensor,ambient Temperature, manufactured by Rosemount Aerospace Inc. Dba Rosemount Aerospace Division Div Utas, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-511-0052 has 2 manufacturer part numbers on file: 525-11433-603 (Northrop Grumman Systems Corporation), 123DR3 (Rosemount Aerospace Inc. Dba Rosemount Aerospace Division Div Utas).
Key specifications for 123DR3: Current Type: DC; Actuation Type: THERMOCOUPLE; Physical Form: RECTANGULAR; Special Features: MONITORS TEMPERATURE AIR COOLING AVIONICS EQUIPMENT, PROVIDES ANALOG SIGNAL AS A FUNCTION OF COOLING EFFECT TO A PAIR OF CONNECTOR PINS,ACC P/M 5% FULL SCALE,MTBF 50,000,MOUNTS ON 4IN OD CIRCULAR DUCT,MANUFACTURERS NAME HEAT DETECTOR IN. 5 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.