The Indicator,temperature,thermocoup, cataloged under National Stock Number 6685-01-252-3540, 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 Omega Engineering, Inc.. Government technical data includes 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 6685-01-252-3540 |
| Primary Part Number | 450AKT |
| Item Name | Indicator,temperature,thermocoup |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Omega Engineering, Inc. |
| Status | ACTIVE |
| Accuracy Rating | 0.1 PERCENT SINGLE INDICATOR SINGLE SCALE |
| Scale Range | -308.0 TO 2501.0 DEG FAHRENHEIT SINGLE INDICATOR SINGLE SCALE |
| Presentation Type | DIGITAL DISPLAY |
| Display Type | LIQUID CRYSTAL |
| Height | 7.000 INCHES NOMINAL IN |
| Depth | 1.800 INCHES NOMINAL IN |
| Width | 3.300 INCHES NOMINAL IN |
| 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 |
|---|---|
| 450AKT PRIMARY | Omega Engineering, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 10111665-101 | 5/9 Secondary reference U.S. Government activity |
| 6685PL0823769 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 6685-01-252-3540 is a Indicator,temperature,thermocoup, manufactured by Omega Engineering, Inc., classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-252-3540 has 1 manufacturer part number on file: 450AKT (Omega Engineering, Inc.).
Key specifications for 450AKT: Accuracy Rating: 0.1 PERCENT SINGLE INDICATOR SINGLE SCALE; Scale Range: -308.0 TO 2501.0 DEG FAHRENHEIT SINGLE INDICATOR SINGLE SCALE; Presentation Type: DIGITAL DISPLAY; Display Type: LIQUID CRYSTAL. 7 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.