The Parts Kit,converter,overhaul, cataloged under National Stock Number 1660-00-423-1682, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1660-00-423-1682 |
| Primary Part Number | 40C-0005-2 |
| Item Name | Parts Kit,converter,overhaul |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Essex Industries, Inc. Dba Essex Industries |
| Status | ACTIVE |
| FSC Application Data | CONVERTER,LIQUID OXYGEN,AIRCRAFT |
| General Characteristics Item Description | NONSUPPLY ITEMS AND QUANTITIES,88044 AN365D1032 NUT 2,88044AN515C6-7 SCREW 1,83533 10C0001-0033 DECAL 1,83533 10C0001-0048 PLUG1,83533 10C0001-49 PLUG 2,83533 10C0005-0065 PLUG 2,8353310C0005-0100 PLATE IDENTIFICATION 1,83533 10C0005-0104 FITTING 1,8353310C0001-0034 CLIP 2,SUPPLY ITEMS 4730-113-1899 TEE 1,1660-113-9109VALVE 1,1660-113-9110 VALVE 1,4730-187-0088 NIPPLE 3,4730-186-9980ELBOW 5,4730-187-1391 ELBOW 1,5310-197-2275 NUT 6,5310-197-2318 NUT4,5340-205-6302 CLAMP 8,5305-206-2273 SCREW 30,5310-209-0788 WASHER28,5340-531-7253 CLAMP 1,5340-565-0011 CLAMP 1,5305-271-3617 SCREW 2,4730-230-8739 ELBOW 1,4730-778-3678 ELBOW 1,1660-925-3191 FITTING 1,1660-925-3193 FITTING 1,1660-925-3194 FITTING 1,1660-925-3195 FITTING1,1660-980-7721 VALVE 1 |
| 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-0005-2 PRIMARY | Essex Industries, Inc. Dba Essex Industries (USA) |
| Reference | Meaning |
|---|---|
| 8148650 | A/1 Packaging identification reference U.S. Government activity |
| 9776268-10 | 5/9 Secondary reference U.S. Government activity |
| 40C0005-2 | 5/9 Secondary reference U.S. Government activity |
NSN 1660-00-423-1682 is a Parts Kit,converter,overhaul, manufactured by Essex Industries, Inc. Dba Essex Industries, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-00-423-1682 has 1 manufacturer part number on file: 40C-0005-2 (Essex Industries, Inc. Dba Essex Industries).
Key specifications for 40C-0005-2: FSC Application Data: CONVERTER,LIQUID OXYGEN,AIRCRAFT; General Characteristics Item Description: NONSUPPLY ITEMS AND QUANTITIES,88044 AN365D1032 NUT 2,88044AN515C6-7 SCREW 1,83533 10C0001-0033 DECAL 1,83533 10C0001-0048 PLUG1,83533 10C0001-49 PLUG 2,83533 10C0005-0065 PLUG 2,8353310C0005-0100 PLATE IDENTIFICATION 1,83533 10C0005-0104 FITTING 1,8353310C0001-0034 CLIP 2,SUPPLY ITEMS 4730-113-1899 TEE 1,1660-113-9109VALVE 1,1660-113-9110 VALVE 1,4730-187-0088 NIPPLE 3,4730-186-9980ELBOW 5,4730-187-1391 ELBOW 1,5310-197-2275 NUT 6,5310-197-2318 NUT4,5340-205-6302 CLAMP 8,5305-206-2273 SCREW 30,5310-209-0788 WASHER28,5340-531-7253 CLAMP 1,5340-565-0011 CLAMP 1,5305-271-3617 SCREW 2,4730-230-8739 ELBOW 1,4730-778-3678 ELBOW 1,1660-925-3191 FITTING 1,1660-925-3193 FITTING 1,1660-925-3194 FITTING 1,1660-925-3195 FITTING1,1660-980-7721 VALVE 1. 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 1660-00-423-1682 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.