The Pyrometer,indicating, cataloged under National Stock Number 6685-00-978-2853, 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 Palmer Wahl Instruments Inc.. Government technical data includes 6 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-00-978-2853 |
| Primary Part Number | DHSA24X |
| Item Name | Pyrometer,indicating |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Palmer Wahl Instruments Inc. |
| Status | ACTIVE |
| Scale Accuracy Rating | PORM 1/2 OF 1 PCT OF FULL SCALE |
| Measurement Type | THERMOELECTRICAL CIRCUIT |
| Pointer/pen Type and Quantity | 1 INDICATING SINGLE |
| Scale Type | ARC |
| Case Type | CARRYING CASE W/HANDLE |
| Scale Measurement Range | +0.000 TO 400.000 DEG FAHRENHEIT |
| 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 |
|---|---|
| DHSA24X PRIMARY | Palmer Wahl Instruments Inc. (USA) |
| Reference | Meaning |
|---|---|
| 409483-1 | 5/9 Secondary reference Palmer Wahl Instruments Inc. |
| DHS-24-XF | 5/9 Secondary reference Palmer Wahl Instruments Inc. |
| 409483-1 | 5/9 Secondary reference U.S. Government activity |
| DHS-24-XF-FM | 5/9 Secondary reference Palmer Wahl Instruments Inc. |
NSN 6685-00-978-2853 is a Pyrometer,indicating, manufactured by Palmer Wahl Instruments Inc., classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-00-978-2853 has 1 manufacturer part number on file: DHSA24X (Palmer Wahl Instruments Inc.).
Key specifications for DHSA24X: Scale Accuracy Rating: PORM 1/2 OF 1 PCT OF FULL SCALE; Measurement Type: THERMOELECTRICAL CIRCUIT; Pointer/pen Type and Quantity: 1 INDICATING SINGLE; Scale Type: ARC. 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.