The Indicator,air Speed, cataloged under National Stock Number 6610-01-583-6466, is classified within Federal Supply Class 6610 (Flight Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Mid-Continent Instrument Co Inc. Government technical data includes 11 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6610-01-583-6466 |
| Primary Part Number | 25020-179 |
| Item Name | Indicator,air Speed |
| FSC / FSG | 6610 / 66 — Flight Instruments |
| Manufacturer | Mid-Continent Instrument Co Inc |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 4 UNTHREADED HOLE(S) |
| Scale Marking | LINED INCREMENTS AND NUMERALS |
| Usage Design | AIR SPEED |
| Scale Marking Transparency | NONLUMINOUS |
| Dial Outside Diameter | 2.000 INCHES NOMINAL IN |
| Pointer Type | CLOCK-HAND SINGLE POINTER |
| Presentation Type | DIAL |
| Information Recorded | WIND SPEED |
| Color | WHITE POINTER OVERALL |
| Color | BLACK BACKGROUND OVERALL |
| Color | WHITE MARKER OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 25020-179 PRIMARY | Mid-Continent Instrument Co Inc (USA) |
| 9859911492 | Pilatus Aircraft Ltd (CHE) |
NSN 6610-01-583-6466 is a Indicator,air Speed, manufactured by Mid-Continent Instrument Co Inc, classified under FSC 6610, Flight Instruments. Status: active.
NSN 6610-01-583-6466 has 2 manufacturer part numbers on file: 25020-179 (Mid-Continent Instrument Co Inc), 9859911492 (Pilatus Aircraft Ltd).
Key specifications for 25020-179: Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S); Scale Marking: LINED INCREMENTS AND NUMERALS; Usage Design: AIR SPEED; Scale Marking Transparency: NONLUMINOUS. 11 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.
NSN 6610-01-583-6466 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.