The Mask,altitude Indicator, cataloged under National Stock Number 6610-01-307-3147, is classified within Federal Supply Class 6610 (Flight Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Astronautics Corporation of America. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Item Name | Mask,altitude Indicator |
| FSC / FSG | 6610 — Flight Instruments (FSG 66) |
| Manufacturers | Astronautics Corporation of America (CAGE 10138) |
| Parameter | Value |
|---|---|
| NSN | 6610-01-307-3147 |
| Primary Part Number | 138511 |
| Item Name | Mask,altitude Indicator |
| FSC / FSG | 6610 / 66 — Flight Instruments |
| Manufacturer | Astronautics Corporation of America |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 138511 PRIMARY | Astronautics Corporation of America (USA) |
NSN 6610-01-307-3147 is a Mask,altitude Indicator, manufactured by Astronautics Corporation of America, classified under FSC 6610, Flight Instruments. Status: active.
NSN 6610-01-307-3147 has 1 manufacturer part number on file: 138511 (Astronautics Corporation of America).
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 6610-01-307-3147 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.