The Thermocouple,heating Element, cataloged under National Stock Number 6685-01-522-4146, 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 Rama Corp Dba Rama Corp Div Rama Corporation. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-522-4146 |
| Primary Part Number | TC3J72 |
| Item Name | Thermocouple,heating Element |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Rama Corp Dba Rama Corp Div Rama Corporation |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 1 THREADED STEM |
| Criticality Code Justification | AFGA |
| Mounting Facility Screw Thread Series Designator | UNF |
| Mounting Facility Nominal Screw Thread Diameter | 0.250 INCHES IN |
| Operating Temp Range | +0.0 TO 900.0 FAHRENHEIT DEGF |
| Material | FIBERGLASS INDIVIDUAL WIRE INSULATION |
| Material | STEEL CORROSION RESISTING OUTER JACKET INSULATION/SHEATHING |
| Terminal Type and Quantity | 2 INSULATED WIRE LEAD |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 6063B20G01ITEM6 | Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd (USA) |
| TC3J72 PRIMARY | Rama Corp Dba Rama Corp Div Rama Corporation (USA) |
| Reference | Meaning |
|---|---|
| 6063B20 | D/9 Drawing number reference only Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd |
NSN 6685-01-522-4146 is a Thermocouple,heating Element, manufactured by Rama Corp Dba Rama Corp Div Rama Corporation, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-522-4146 has 2 manufacturer part numbers on file: 6063B20G01ITEM6 (Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd), TC3J72 (Rama Corp Dba Rama Corp Div Rama Corporation).
Key specifications for TC3J72: Mounting Facility Type and Quantity: 1 THREADED STEM; Criticality Code Justification: AFGA; Mounting Facility Screw Thread Series Designator: UNF; Overall Length: 72.000 INCHES NOMINAL IN. 8 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.