The Thermometer,indicating,capillary, cataloged under National Stock Number 6685-00-084-7572, 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 Caterpillar Inc Div Caterpillar Defense. Government technical data includes 23 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-00-084-7572 |
| Primary Part Number | 7H9597 |
| Item Name | Thermometer,indicating,capillary |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Flexible Tube Length | 180.000 INCHES NOMINAL IN |
| Mounting Facility Type and Quantity | 1 STUD(S) AND 1 BRACKET(S) |
| Bulb Overall Length | 1.828 INCHES NOMINAL IN |
| Bulb Type | PLAIN RIGID |
| Active Portion Diameter | 0.422 INCHES NOMINAL IN |
| Scale Inscription/background Color | WHITE MARKINGS ON BLACK BACKGROUND,WHITE ARC FROM 100 DEG F TO 140 DEG F RANGE,GREEN ARC FROM 140 DEG F TO 200 DEG F RANGE,RED ARC FROM 200 DEG F TO 240 DEG F RANGE DEGF |
| Scale Smallest Increment | 40.0 DEG FAHRENHEIT |
| Scale Accuracy Rating | 3 PCT |
| Dial Diameter | 1.750 INCHES NOMINAL IN |
| Indicator Connection Method | FLEXIBLE TUBE |
| Mounting Facility Screw Thread Series Designator | UNF |
| Case Diameter | 2.203 INCHES NOMINAL IN |
| Actuating Medium | ETHYL ETHER |
| Pointer/pen Type and Quantity | 1 INDICATING SINGLE |
| Active Portion Length | 1.828 INCHES NOMINAL IN |
| Mounting Thread Quantity | 32 PER INCH |
| Scale Type | CONCENTRIC DIAL |
| Case Type | VAPORPROOF |
| Mounting Facility Nominal Screw Thread Diameter | 0.190 INCHES IN |
| Scale Measurement Range | +100.000 TO 240.000 DEG FAHRENHEIT |
| Bulb Quantity | 1 |
| Material | STEEL METER CASE |
| Material | COPPER BULB |
| 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 |
|---|---|
| 7H9597 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
| 346L181 1-2 PRIMARY | Stewart-Warner Corporation (USA) |
NSN 6685-00-084-7572 is a Thermometer,indicating,capillary, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-00-084-7572 has 2 manufacturer part numbers on file: 7H9597 (Caterpillar Inc Div Caterpillar Defense), 346L181 1-2 (Stewart-Warner Corporation).
Key specifications for 7H9597: Flexible Tube Length: 180.000 INCHES NOMINAL IN; Mounting Facility Type and Quantity: 1 STUD(S) AND 1 BRACKET(S); Bulb Overall Length: 1.828 INCHES NOMINAL IN; Bulb Type: PLAIN RIGID. 23 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.