The Pyrometer,indicating, cataloged under National Stock Number 6685-00-243-9988, 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 6 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-00-243-9988 |
| Item Name | Pyrometer,indicating |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Status | ACTIVE |
| Scale Calibration | CALIBRATED TO CHROMEL AND ALUMEL THERMOCOUPLE |
| Scale Accuracy Rating | PORM5 DEG F ACCURACY RATING |
| Measurement Type | MILLIVOLT CIRCUIT |
| Pointer/pen Type and Quantity | 1 INDICATING SINGLE |
| Nondefinitive Spec/std Data | 2 CLASS |
| Case Type | SHOCKPROOF CASE W/HANDLE |
| 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 |
|---|---|
| MILP11570CLASS2 | 4/1 Identification reference U.S. Government activity |
| MODEL41F-T18-SSA | 3/9 Design control — primary reference Pyrometer Instrument Co Inc |
| TIP00961-18DEC70 | 5/2 Secondary reference U.S. Government activity |
NSN 6685-00-243-9988 is a Pyrometer,indicating, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
Key specifications for 6685-00-243-9988: Scale Calibration: CALIBRATED TO CHROMEL AND ALUMEL THERMOCOUPLE; Scale Accuracy Rating: PORM5 DEG F ACCURACY RATING; Measurement Type: MILLIVOLT CIRCUIT; Pointer/pen Type and Quantity: 1 INDICATING SINGLE. 6 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.