The Thermocouple,heating Element, cataloged under National Stock Number 6685-01-482-9173, 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 The Boeing Company Div Defense. Government technical data includes 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-482-9173 |
| Primary Part Number | 5M2638-001 |
| Item Name | Thermocouple,heating Element |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Overall Diameter | 0.746 INCHES NOMINAL IN |
| Mounting Location | OUTSIDE METER CASE |
| Operating Temp Range | -65.0 TO 250.0 FAHRENHEIT DEGF |
| Material | STEEL CORROSION RESISTING OVERALL |
| Terminal Type and Quantity | 1 CONNECTOR |
| 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 |
|---|---|
| 5M2638-001 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 5M2638 | D/9 Drawing number reference only The Boeing Company Div Defense |
| 101-00055 | 5/9 Secondary reference Norwich Aero Products Inc |
NSN 6685-01-482-9173 is a Thermocouple,heating Element, manufactured by The Boeing Company Div Defense, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-482-9173 has 1 manufacturer part number on file: 5M2638-001 (The Boeing Company Div Defense).
Key specifications for 5M2638-001: Overall Diameter: 0.746 INCHES NOMINAL IN; Overall Length: 4.750 INCHES NOMINAL IN; Mounting Location: OUTSIDE METER CASE; Operating Temp Range: -65.0 TO 250.0 FAHRENHEIT DEGF. 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.