The Thermometer,self-Indicating, cataloged under National Stock Number 6685-01-148-2585, 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 Midland Scientific Inc. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 6685-01-148-2585 |
| Primary Part Number | T4010-7 |
| Item Name | Thermometer,self-Indicating |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Midland Scientific Inc |
| Status | ACTIVE |
| Design Type | FLUCTUATINGFLUCTUATING |
| Style Designator | IMMERSION RING TOP |
| Actuating Medium | LIQUIDLIQUID |
| Securing Device Type | RINGRING |
| Immersion Length | 76.0 MILLIMETERS NOMINAL76.0 MILLIMETERS NOMINAL MM |
| Scale Type | ETCHED STEMETCHED STEM |
| Scale Measurement Range | +20.000 TO 760.000 DEG FAHRENHEIT+20.000 TO 760.000 DEG FAHRENHEIT |
| Scale Length | 329.0 MILLIMETERS NOMINAL329.0 MILLIMETERS NOMINAL MM |
| Material | GLASS STEM LIQUID IN GLASS |
| 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 |
|---|---|
| T4010-7 PRIMARY | Midland Scientific Inc (USA) |
| Reference | Meaning |
|---|---|
| 15-167C | 5/9 Secondary reference Fisher Scientific Company L.l.c. |
NSN 6685-01-148-2585 is a Thermometer,self-Indicating, manufactured by Midland Scientific Inc, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-148-2585 has 1 manufacturer part number on file: T4010-7 (Midland Scientific Inc).
1 possible match (shared part number, not a government interchangeability claim): 5915-01-316-1742. Verify interchangeability with system specifications before substitution.
Key specifications for T4010-7: Design Type: FLUCTUATINGFLUCTUATING; Style Designator: IMMERSION RING TOP; Overall Length: 405.0 MILLIMETERS NOMINAL405.0 MILLIMETERS NOMINAL MM; Actuating Medium: LIQUIDLIQUID. 9 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.