Heat Exchanger, Air to Air, Aircra1660-01-374-2636
NSN 1660-01-374-2636 · NIIN 013742636 · Part number 46E10-1
Honeywell International Inc. · FSC 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment · FSG 16 — Aircraft Components and Accessories · CAGE 63389
Government record, cited
NSN 1660-01-374-2636 — this item is cataloged by the U.S. Government under National Stock Number 1660-01-374-2636. Manufacturer of record part number: 46E10-1.
Also searched as1660-01-374-2636 ·
1660013742636 ·
NIIN 013742636 ·
01-374-2636 ·
FSC 1660 Aircraft Air Conditioning, Heating, and Pressurizing Equipment · CAGE 63389 · 46E10-1 · 525-11346-1
Nearby stock numbers← 1660-01-374-2357 Filter Element, Air Conditioning
·
1660-01-374-2637 Valve Assembly, Environmental Con →
Features
Heat Exchanger,air to Air,aircra — FSC 1660
2 manufacturer part numbers on file
Manufacturer of record: Honeywell International Inc.
Identification
NSN: 1660-01-374-2636
NIIN: 013742636
FSC: 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
FSG: 16 — Aircraft Components and Accessories
Primary part number: 46E10-1
Manufacturer: Honeywell International Inc.
General Description
The Heat Exchanger,air to Air,aircra, cataloged under National Stock Number 1660-01-374-2636, 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.. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Catalog Facts
Item Name
Heat Exchanger,air to Air,aircra
FSC / FSG
1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment (FSG 16)
Manufacturers
Honeywell International Inc. (CAGE 63389); Grimes Aerospace Company (CAGE 72914)
Technical Specifications
Parameter
Value
NSN
1660-01-374-2636
Primary Part Number
46E10-1
Item Name
Heat Exchanger,air to Air,aircra
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 1660-01-374-2636?
NSN 1660-01-374-2636 is a Heat Exchanger,air to Air,aircra, manufactured by Honeywell International Inc., classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
What part numbers are listed for NSN 1660-01-374-2636?
NSN 1660-01-374-2636 has 2 manufacturer part numbers on file: 46E10-1 (Honeywell International Inc.), 46E10-1 (Grimes Aerospace Company).
Is NSN 1660-01-374-2636 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.
What is the DEMIL code for NSN 1660-01-374-2636?
NSN 1660-01-374-2636 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.