The Pyrometer,indicating, cataloged under National Stock Number 6685-00-856-8680, is classified within Federal Supply Class 6685 (Pressure, Temperature, and Humidity Measuring and Controlling Instruments) of the Instruments and Laboratory Equipment group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-00-856-8680 |
| Item Name | Pyrometer,indicating |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Status | ACTIVE |
| Scale Calibration | CALIBRATED TO IRON CONSTANTAN THERMOCOUPLE |
| Scale Smallest Increment | 1.0 DEG FAHRENHEIT |
| Scale Accuracy Rating | 0.2 DEG F ACCURACY RATING DEGF |
| Measurement Type | POTENTIOMETER CIRCUIT |
| Pointer/pen Type and Quantity | 1 INDICATING SINGLE |
| Features Provided | DRY CELL BATTERY |
| Scale Type | DRUM |
| Case Type | HINGED LID CARRYING CASE W/HANDLE |
| Scale Length | 25.500 INCHES NOMINAL IN |
| Material | ALUMINUM METER CASE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 8692-009 | 3/9 Design control — primary reference Leeds and Northrup Co a Unit of General Signal Corp |
NSN 6685-00-856-8680 is a Pyrometer,indicating, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
Key specifications for 6685-00-856-8680: Overall Height: 7.375 INCHES NOMINAL IN; Scale Calibration: CALIBRATED TO IRON CONSTANTAN THERMOCOUPLE; Scale Smallest Increment: 1.0 DEG FAHRENHEIT; Scale Accuracy Rating: 0.2 DEG F ACCURACY RATING DEGF. 10 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.