The Indicator,temperature,thermocoup, cataloged under National Stock Number 6685-01-020-6259, 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 Horizon Aerospace Llc Dba Magnetics Division. Government technical data includes 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 6685-01-020-6259 |
| Primary Part Number | 172B15 |
| Item Name | Indicator,temperature,thermocoup |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Horizon Aerospace Llc Dba Magnetics Division |
| Status | ACTIVE |
| Diameter | 3.230 INCHES NOMINAL IN |
| Depth | 4.196 INCHES MINIMUM AND 4.946 INCHES MAXIMUM 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 |
|---|---|
| 172B15 PRIMARY | Horizon Aerospace Llc Dba Magnetics Division (USA) |
| Reference | Meaning |
|---|---|
| 459-0122-010 | 5/9 Secondary reference Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
| 459-0122-010 | 3/2 Design control — primary reference U.S. Government activity |
NSN 6685-01-020-6259 is a Indicator,temperature,thermocoup, manufactured by Horizon Aerospace Llc Dba Magnetics Division, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-020-6259 has 1 manufacturer part number on file: 172B15 (Horizon Aerospace Llc Dba Magnetics Division).
Key specifications for 172B15: Diameter: 3.230 INCHES NOMINAL IN; Special Features: SCALE QTY:1;POINTER QTY:1;SCALE NAME:EXHAUST TEMPERATURE;EXTERNAL CIRCUIT RESISTANCE:8 OHMS NOM.; Depth: 4.196 INCHES MINIMUM AND 4.946 INCHES MAXIMUM IN. 2 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.