The Piston,switch,air Pressure, cataloged under National Stock Number 1660-00-347-8191, 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 Honeywell International Inc. Div Aerospace - Torrance. Government technical data includes 1 specification, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1660-00-347-8191 |
| Primary Part Number | 97429 |
| Item Name | Piston,switch,air Pressure |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Honeywell International Inc. Div Aerospace - Torrance |
| Status | ACTIVE |
| General Characteristics Item Description | ALUMINUM ALLOY,ANODIZED,0.298 IN. DIA,0.250 IN. THK,0.143 IN. DIA BY 0.180 IN. DRILL IN CENTER CHAMFER,USED ON P/N 105422-2-00 REGULATOR IN |
| 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 |
|---|---|
| 97429 PRIMARY | Honeywell International Inc. Div Aerospace - Torrance (USA) |
NSN 1660-00-347-8191 is a Piston,switch,air Pressure, manufactured by Honeywell International Inc. Div Aerospace - Torrance, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-00-347-8191 has 1 manufacturer part number on file: 97429 (Honeywell International Inc. Div Aerospace - Torrance).
Key specifications for 97429: General Characteristics Item Description: ALUMINUM ALLOY,ANODIZED,0.298 IN. DIA,0.250 IN. THK,0.143 IN. DIA BY 0.180 IN. DRILL IN CENTER CHAMFER,USED ON P/N 105422-2-00 REGULATOR 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 1660-00-347-8191 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.