The Altimeter,pressure, cataloged under National Stock Number 6610-01-146-0331, is classified within Federal Supply Class 6610 (Flight Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6610-01-146-0331 |
| Primary Part Number | WL1650AM2 |
| Item Name | Altimeter,pressure |
| FSC / FSG | 6610 / 66 — Flight Instruments |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Scale Quantity | 2 AND 1 |
| Scale Marking | NUMERALS AND LINED INCREMENTS |
| Scale Name | ALTITUDE AND BAROMETRIC PRESSURE |
| Knob Purpose | USED TO SET BAROMETRIC PRESSURE |
| Mounting Method | PANEL |
| Scale Marking Transparency | NONLUMINOUS |
| Pointer Quantity | 1 |
| Knob Quantity | 1 |
| Scale Smallest Increment Graduation | 50 FT FT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | N |
NSN 6610-01-146-0331 is a Altimeter,pressure, manufactured by The Boeing Company Div Defense, classified under FSC 6610, Flight Instruments. Status: active.
NSN 6610-01-146-0331 has 2 manufacturer part numbers on file: WL1650AM2 (Ge Aviation Systems Ltd), WL1650AM2 (The Boeing Company Div Defense).
Key specifications for WL1650AM2: Scale Quantity: 2 AND 1; Scale Marking: NUMERALS AND LINED INCREMENTS; Scale Name: ALTITUDE AND BAROMETRIC PRESSURE; Knob Purpose: USED TO SET BAROMETRIC PRESSURE. 9 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 6610-01-146-0331 has DEMIL Code Q. 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.