The Parts Kit,converter, cataloged under National Stock Number 1660-00-356-4345, 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 Essex Industries, Inc. Dba Essex Industries. Government technical data includes 2 specifications, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1660-00-356-4345 |
| Primary Part Number | 40C-0021-1 |
| Item Name | Parts Kit,converter |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Essex Industries, Inc. Dba Essex Industries |
| Status | ACTIVE |
| FSC Application Data | ACFT CONVERTER,LIQUID OXYGEN |
| General Characteristics Item Description | 83 ITEMS,FSCM 19062 KIT LIST NO. 40C0021-1,3 PAGES,USED ONCONVERTER,LOX P/N 10C0021-5 FSCM 19062 |
| 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 |
|---|---|
| 40C-0021-1 PRIMARY | Essex Industries, Inc. Dba Essex Industries (USA) |
| Reference | Meaning |
|---|---|
| 9776277-10 | 5/2 Secondary reference U.S. Government activity |
| 8148650 | A/1 Packaging identification reference U.S. Government activity |
NSN 1660-00-356-4345 is a Parts Kit,converter, manufactured by Essex Industries, Inc. Dba Essex Industries, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-00-356-4345 has 1 manufacturer part number on file: 40C-0021-1 (Essex Industries, Inc. Dba Essex Industries).
Key specifications for 40C-0021-1: FSC Application Data: ACFT CONVERTER,LIQUID OXYGEN; General Characteristics Item Description: 83 ITEMS,FSCM 19062 KIT LIST NO. 40C0021-1,3 PAGES,USED ONCONVERTER,LOX P/N 10C0021-5 FSCM 19062. 2 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 1660-00-356-4345 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.