NSN 1660-01-503-3426 · NIIN 015033426 · Part number M12-3094-221
Honeywell International Inc. Dba Honeywell Div Sensing and Control · FSC 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment · FSG 16 — Aircraft Components and Accessories · CAGE 14604
Government record, cited
NSN 1660-01-503-3426 — this item is cataloged by the U.S. Government under National Stock Number 1660-01-503-3426. Manufacturer of record part number: M12-3094-221.
Also searched as1660-01-503-3426 ·
1660015033426 ·
NIIN 015033426 ·
01-503-3426 ·
FSC 1660 Aircraft Air Conditioning, Heating, and Pressurizing Equipment · CAGE 14604 · M12-3094-221
Manufacturer of record: Honeywell International Inc. Dba Honeywell Div Sensing and Control
Identification
NSN: 1660-01-503-3426
NIIN: 015033426
FSC: 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
FSG: 16 — Aircraft Components and Accessories
Primary part number: M12-3094-221
Manufacturer: Honeywell International Inc. Dba Honeywell Div Sensing and Control
General Description
The Heater,aircraft, cataloged under National Stock Number 1660-01-503-3426, 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. Dba Honeywell Div Sensing and Control. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
1660-01-503-3426
Primary Part Number
M12-3094-221
Item Name
Heater,aircraft
FSC / FSG
1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
Manufacturer
Honeywell International Inc. Dba Honeywell Div Sensing and Control
Honeywell International Inc. Dba Honeywell Div Sensing and Control (USA)
No interchangeability data on file.
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 1660-01-503-3426?
NSN 1660-01-503-3426 is a Heater,aircraft, manufactured by Honeywell International Inc. Dba Honeywell Div Sensing and Control, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
What part numbers are listed for NSN 1660-01-503-3426?
NSN 1660-01-503-3426 has 1 manufacturer part number on file: M12-3094-221 (Honeywell International Inc. Dba Honeywell Div Sensing and Control).
What are the specifications of M12-3094-221?
Key specifications for M12-3094-221: Special Features: PRECISION SPIRAL HEATER; End Item Identification: TRISTAR AIRCRAFT. 0 specifications are documented in the U.S. Government catalog.
Is NSN 1660-01-503-3426 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.