The Thermometer,indicating,capillary, cataloged under National Stock Number 6685-01-385-2983, 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 Ashcroft Inc Dba Heise. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-385-2983 |
| Primary Part Number | 31GP-Y00R-F15Y |
| Item Name | Thermometer,indicating,capillary |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Ashcroft Inc Dba Heise |
| Status | ACTIVE |
| Scale Measurement Range | +20.000 TO 240.000 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 |
|---|---|
| 31GP-Y00R-F15Y PRIMARY | Ashcroft Inc Dba Heise (USA) |
| Reference | Meaning |
|---|---|
| DD-931J08115 | 5/1 Secondary reference Carrier Corp |
| PL-931J08115 ITEM NO. 2H | 5/9 Secondary reference Carrier Corp |
| CD-931J08115 | 5/9 Secondary reference Carrier Corp |
| 31GP-Y00R-F15Y | 5/9 Secondary reference Weksler Glass Thermometer Corp |
NSN 6685-01-385-2983 is a Thermometer,indicating,capillary, manufactured by Ashcroft Inc Dba Heise, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-385-2983 has 1 manufacturer part number on file: 31GP-Y00R-F15Y (Ashcroft Inc Dba Heise).
1 possible match (shared part number, not a government interchangeability claim): 6685-01-385-3144. Verify interchangeability with system specifications before substitution.
Key specifications for 31GP-Y00R-F15Y: Scale Measurement Range: +20.000 TO 240.000 DEG FAHRENHEIT. 1 specification is 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.