The Indicator,temperature,thermocoup, cataloged under National Stock Number 6685-01-028-2178, 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 Hickok Waekon Llc. Government technical data includes 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-028-2178 |
| Primary Part Number | 780-111 |
| Item Name | Indicator,temperature,thermocoup |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Hickok Waekon Llc |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 1 PANEL AND 4 UNTHREADED HOLE(S) |
| Contact Type | CONNECTOR RECEPTACLE |
| Length | 6.375 INCHES NOMINAL IN |
| Electrical Connection Quantity | 1 |
| Scale Range | +0.1 TO 1000.0 DEG FAHRENHEIT SINGLE INDICATOR SINGLE SCALE |
| Contact Quantity | 1 |
| Pointer Type | CLOCK-HAND SINGLE POINTER |
| Height | 4.312 INCHES NOMINAL IN |
| Width | 4.312 INCHES NOMINAL IN |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY THE SOURCE CONTROL DWG NO. |
| 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 |
|---|---|
| 78C-250 | Hickok Waekon Llc (USA) |
| 780-111 | Hickok Waekon Llc (USA) |
| Reference | Meaning |
|---|---|
| 4SE00396 | 5/9 Secondary reference Naval Air Warfare Center Aircraft Division Code 1.3.1 Bldg 562-1 |
| 4SE00396 | 1/3 Source control — Government-approved source U.S. Government activity |
NSN 6685-01-028-2178 is a Indicator,temperature,thermocoup, manufactured by Hickok Waekon Llc, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-028-2178 has 2 manufacturer part numbers on file: 78C-250 (Hickok Waekon Llc), 780-111 (Hickok Waekon Llc).
Key specifications for 780-111: Mounting Facility Type and Quantity: 1 PANEL AND 4 UNTHREADED HOLE(S); Contact Type: CONNECTOR RECEPTACLE; Length: 6.375 INCHES NOMINAL IN; Electrical Connection Quantity: 1. 10 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.