The Thermometer,self-Indicating,bime, cataloged under National Stock Number 6685-01-435-8700, 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 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-435-8700 |
| Primary Part Number | H3A2 |
| Item Name | Thermometer,self-Indicating,bime |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Ashcroft Inc Dba Heise |
| Status | ACTIVE |
| Immersion Length | 2.000 INCHES NOMINAL IN |
| Scale Type | DIAL |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| H3A2 PRIMARY | Ashcroft Inc Dba Heise (USA) |
| Reference | Meaning |
|---|---|
| H3A2 | 5/9 Secondary reference Weksler Glass Thermometer Corp |
| TBL 7-7 FIG 2-2 (34,35) | 5/1 Secondary reference Carrier Corp |
NSN 6685-01-435-8700 is a Thermometer,self-Indicating,bime, manufactured by Ashcroft Inc Dba Heise, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-435-8700 has 1 manufacturer part number on file: H3A2 (Ashcroft Inc Dba Heise).
Key specifications for H3A2: Immersion Length: 2.000 INCHES NOMINAL IN; Scale Type: DIAL; Special Features: HEAVY DUTY TYPE 3 IN. DIAL;90 DEG BACK ANGLE FORM;PLASTICE CRYSTAL IN; End Item Identification: STRATEGIC SEALIFT CONVERSION CLASS SHIPS. 3 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.