The Indicator,rate of Flow, cataloged under National Stock Number 6680-01-042-1544, is classified within Federal Supply Class 6680 (Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Hickok Waekon Llc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 6680-01-042-1544 |
| Primary Part Number | 562-686 |
| Item Name | Indicator,rate of Flow |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Manufacturer | Hickok Waekon Llc |
| Status | ACTIVE |
| FSC Application Data | FLIGHT TRAINER |
| Contact Type | THREADED STUD |
| Length | 2.125 INCHES NOMINAL IN |
| Current Type | DC |
| Electrical Connection Quantity | 22 |
| Diameter | 2.000 INCHES NOMINAL IN |
| Contact Quantity | 2 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 562-686 PRIMARY | Hickok Waekon Llc (USA) |
| Reference | Meaning |
|---|---|
| 2022711-05 | 5/9 Secondary reference Raytheon Technical Services Company |
| 2022711-05 | 7/2 Vendor item drawing reference Cae Usa Inc. |
NSN 6680-01-042-1544 is a Indicator,rate of Flow, manufactured by Hickok Waekon Llc, classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
NSN 6680-01-042-1544 has 1 manufacturer part number on file: 562-686 (Hickok Waekon Llc).
Key specifications for 562-686: FSC Application Data: FLIGHT TRAINER; Contact Type: THREADED STUD; Length: 2.125 INCHES NOMINAL IN; Current Type: DC. 7 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.