The Thermometer,indicating,capillary, cataloged under National Stock Number 6685-01-569-6433, 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 8 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 6685-01-569-6433 |
| Primary Part Number | 41GP-Y00U-AC0Y |
| Item Name | Thermometer,indicating,capillary |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Ashcroft Inc Dba Heise |
| Status | ACTIVE |
| Flexible Tube Length | 1440.000 INCHES NOMINAL IN |
| Dial Diameter | 3.375 INCHES NOMINAL IN |
| Style Designator | PLAIN RIGID |
| Actuating Medium | GAS |
| Scale Type | DIAL |
| Bulb Tip Length | 3.000 INCHES NOMINAL IN |
| Material | ALUMINUM METER CASE |
| Material | PLASTIC DIAL FACE |
| 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 |
|---|---|
| 41GP-Y00U-AC0Y PRIMARY | Ashcroft Inc Dba Heise (USA) |
| 41GPY00UACOY PRIMARY | Ashcroft Inc Dba Heise (USA) |
| 41GPY00UACOY | Mmc Metrology Lab, Inc. Dba Mmc Metrology Lab Inc (USA) |
| Reference | Meaning |
|---|---|
| 41GP-Y00U-A120Y | 5/9 Secondary reference Ashcroft Inc Dba Heise |
| 41GPY00UA120Y | 5/9 Secondary reference Ashcroft Inc Dba Heise |
NSN 6685-01-569-6433 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 6685-01-569-6433 has 3 manufacturer part numbers on file: 41GP-Y00U-AC0Y (Ashcroft Inc Dba Heise), 41GPY00UACOY (Ashcroft Inc Dba Heise), 41GPY00UACOY (Mmc Metrology Lab, Inc. Dba Mmc Metrology Lab Inc).
Key specifications for 41GP-Y00U-AC0Y: Flexible Tube Length: 1440.000 INCHES NOMINAL IN; Dial Diameter: 3.375 INCHES NOMINAL IN; Style Designator: PLAIN RIGID; Actuating Medium: GAS. 8 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.