The Indicator,position,valve, cataloged under National Stock Number 1660-00-075-6646, is classified within Federal Supply Class 1660 (Aircraft Air Conditioning, Heating, and Pressurizing Equipment) of the Aircraft Components and Accessories group. The manufacturer of record is Phaostron Instrument and Electronic Company. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 1660-00-075-6646 |
| Primary Part Number | 000-19270 |
| Item Name | Indicator,position,valve |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Phaostron Instrument and Electronic Company |
| Status | ACTIVE |
| General Characteristics Item Description | 1.000 IN. DIA; 3.000 IN. LG N/O CONNECTOR IN |
| 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 |
|---|---|
| 000-19270 PRIMARY | Phaostron Instrument and Electronic Company (USA) |
| 131176-1-1 PRIMARY | Honeywell International Inc. Div Aerospace - Torrance (USA) |
| Reference | Meaning |
|---|---|
| 131176-1-1 | 5/9 Secondary reference Honeywell International, Inc Div Aerospace-Tucson |
| 4A90216-101A | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 1660-00-075-6646 is a Indicator,position,valve, manufactured by Phaostron Instrument and Electronic Company, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-00-075-6646 has 2 manufacturer part numbers on file: 000-19270 (Phaostron Instrument and Electronic Company), 131176-1-1 (Honeywell International Inc. Div Aerospace - Torrance).
Key specifications for 000-19270: General Characteristics Item Description: 1.000 IN. DIA; 3.000 IN. LG N/O CONNECTOR IN. 1 specification is 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 1660-00-075-6646 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.