The Valve Assembly,environmental Con, cataloged under National Stock Number 1660-01-423-0112, 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 Ingersoll-Rand Company Dba Ingersoll-Rand. 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 | Valve Assembly,environmental Con |
| FSC / FSG | 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment (FSG 16) |
| Manufacturers | Ingersoll-Rand Company Dba Ingersoll-Rand (CAGE 03990) |
| Parameter | Value |
|---|---|
| NSN | 1660-01-423-0112 |
| Primary Part Number | 19853 |
| Item Name | Valve Assembly,environmental Con |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Ingersoll-Rand Company Dba Ingersoll-Rand |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 19853 PRIMARY | Ingersoll-Rand Company Dba Ingersoll-Rand (USA) |
NSN 1660-01-423-0112 is a Valve Assembly,environmental Con, manufactured by Ingersoll-Rand Company Dba Ingersoll-Rand, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-01-423-0112 has 1 manufacturer part number on file: 19853 (Ingersoll-Rand Company Dba Ingersoll-Rand).
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
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.