The Thermocouple,immersion, cataloged under National Stock Number 6685-00-778-7447, 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 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-00-778-7447 |
| Primary Part Number | 362785 |
| Item Name | Thermocouple,immersion |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 1 PLATE |
| Plate Length | 2.000 INCHES NOMINAL IN |
| Plate Width | 1.875 INCHES NOMINAL IN |
| Accommodated Wire Awg Size | 18 |
| Immersion Length | 5.180 INCHES MINIMUM AND 5.220 INCHES MAXIMUM IN |
| Unit Type | PROTECTIVE TUBE |
| Operating Temp Range | -65.0 TO 1500.0 FAHRENHEIT DEGF |
| Material | MAGNESIUM ALLOY INDIVIDUAL WIRE INSULATION |
| Terminal Type and Quantity | 2 STUD |
| 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 |
|---|---|
| 362785 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
NSN 6685-00-778-7447 is a Thermocouple,immersion, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-00-778-7447 has 1 manufacturer part number on file: 362785 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
1 possible match (shared part number, not a government interchangeability claim): 5930-01-041-5415. Verify interchangeability with system specifications before substitution.
Key specifications for 362785: Mounting Facility Type and Quantity: 1 PLATE; Plate Length: 2.000 INCHES NOMINAL IN; Plate Width: 1.875 INCHES NOMINAL IN; Overall Length: 6.040 INCHES NOMINAL IN. 9 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.