NSN 1660-00-868-6591 · NIIN 008686591 · Part number 40C-0001-1
Essex Industries, Inc. Dba Essex Industries · FSC 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment · FSG 16 — Aircraft Components and Accessories · CAGE 19062
Government record, cited
NSN 1660-00-868-6591 — this item is cataloged by the U.S. Government under National Stock Number 1660-00-868-6591. Manufacturer of record part number: 40C-0001-1.
Also searched as1660-00-868-6591 ·
1660008686591 ·
NIIN 008686591 ·
00-868-6591 ·
FSC 1660 Aircraft Air Conditioning, Heating, and Pressurizing Equipment · CAGE 19062 · 40C-0001-1 · 8148650 · 9776274-10 · 40C0001-1
Manufacturer of record: Essex Industries, Inc. Dba Essex Industries
Identification
NSN: 1660-00-868-6591
NIIN: 008686591
FSC: 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
FSG: 16 — Aircraft Components and Accessories
Primary part number: 40C-0001-1
Manufacturer: Essex Industries, Inc. Dba Essex Industries
General Description
The Parts Kit,overhaul,, cataloged under National Stock Number 1660-00-868-6591, 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. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
Catalog Facts
Item Name
Parts Kit,overhaul,
FSC / FSG
1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment (FSG 16)
Manufacturers
Essex Industries, Inc. Dba Essex Industries (CAGE 19062)
Technical Specifications
Parameter
Value
NSN
1660-00-868-6591
Primary Part Number
40C-0001-1
Item Name
Parts Kit,overhaul,
FSC / FSG
1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
Other items in FSC 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
1660-00-001-1693
DUCT ASSEMBLY,AIR CONDITIONING-H
1660-00-001-1754
BAFFLE,AIR
1660-00-001-2491
CAGE,BYPASS VALVE
1660-00-001-2493
1660-00-001-2493 · Item name not on file
1660-00-001-2496
CONTROL BOX,ELECTRICAL-ELECTRONI
1660-00-001-2497
1660-00-001-2497 · Item name not on file
1660-00-001-4130
1660-00-001-4130 · Item name not on file
1660-00-001-4479
CONTROLLER,AIR PRESSURE,AIRCRAFT
Frequently Asked Questions
What is NSN 1660-00-868-6591?
NSN 1660-00-868-6591 is a Parts Kit,overhaul,, manufactured by Essex Industries, Inc. Dba Essex Industries, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
What part numbers are listed for NSN 1660-00-868-6591?
NSN 1660-00-868-6591 has 1 manufacturer part number on file: 40C-0001-1 (Essex Industries, Inc. Dba Essex Industries).
Is NSN 1660-00-868-6591 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.