The Thermometer,self-Indicating,bime, cataloged under National Stock Number 6685-00-006-9847, 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 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-00-006-9847 |
| Primary Part Number | 3A02BM2-21MAXMIN |
| 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 |
| Stem Length | 2.500 INCHES NOMINAL IN |
| Design Type | FLUCTUATING |
| Scale Inscription/background Color | BLACK MARKING ON SILVER AND GREENBACKGROUND |
| Scale Smallest Increment | 2.0 DEG FAHRENHEIT |
| Scale Accuracy Rating | 1-1/2 PCTOF FULL SCALE RANGE |
| Dial Diameter | 3.000 INCHES NOMINAL IN |
| Style Designator | STRAIGHT FORM, HORIZONTAL DIAL |
| Features Provided | PROTECTIVE GLASS/PLASTIC |
| Immersion Length | 2.500 INCHES NOMINAL IN |
| Scale Type | CONCENTRIC ARC DIAL |
| Mounting Facility Nominal Screw Thread Diameter | 0.500 INCHES IN |
| Scale Measurement Range | -30.000 TO 150.000 DEG FAHRENHEIT |
| Material | STEEL CORROSION RESISTING METER CASE |
| Scale Adjustment Variation | ADJUSTABLE OVER ENTIRE RANGE |
| 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 |
|---|---|
| 3A02BM2-21MAXMIN PRIMARY | Ashcroft Inc Dba Heise (USA) |
| Reference | Meaning |
|---|---|
| 2264405 | 5/9 Secondary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
NSN 6685-00-006-9847 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 6685-00-006-9847 has 1 manufacturer part number on file: 3A02BM2-21MAXMIN (Ashcroft Inc Dba Heise).
Key specifications for 3A02BM2-21MAXMIN: Stem Length: 2.500 INCHES NOMINAL IN; Design Type: FLUCTUATING; Scale Inscription/background Color: BLACK MARKING ON SILVER AND GREENBACKGROUND; Scale Smallest Increment: 2.0 DEG FAHRENHEIT. 14 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.