NSN 1660-01-156-9223 · NIIN 011569223 · Part number 12451-000
Ametek Thermal Systems Inc · FSC 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment · FSG 16 — Aircraft Components and Accessories · CAGE 12536
Government record, cited
NSN 1660-01-156-9223 — this item is cataloged by the U.S. Government under National Stock Number 1660-01-156-9223. Manufacturer of record part number: 12451-000.
Also searched as1660-01-156-9223 ·
1660011569223 ·
NIIN 011569223 ·
01-156-9223 ·
FSC 1660 Aircraft Air Conditioning, Heating, and Pressurizing Equipment · CAGE 12536 · 12451-000
Nearby stock numbers← 1660-01-156-9116 Parts Kit, Aircraft Heat Exchange
·
1660-01-156-9295 Duct Assembly, Air Conditioning-H →
Features
Heat Exchanger,fuel,air — FSC 1660
General Characteristics Item Description: ALUMINUM ALLOY; 14.880 IN. O/A LG; 6.080 IN. W; 3.040 IN. H IN
1 manufacturer part number on file
Manufacturer of record: Ametek Thermal Systems Inc
Identification
NSN: 1660-01-156-9223
NIIN: 011569223
FSC: 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
FSG: 16 — Aircraft Components and Accessories
Primary part number: 12451-000
Manufacturer: Ametek Thermal Systems Inc
General Description
The Heat Exchanger,fuel,air, cataloged under National Stock Number 1660-01-156-9223, 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 Ametek Thermal Systems Inc. Government technical data includes 1 specification, 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. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
1660-01-156-9223
Primary Part Number
12451-000
Item Name
Heat Exchanger,fuel,air
FSC / FSG
1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
Manufacturer
Ametek Thermal Systems Inc
Status
ACTIVE
General Characteristics Item Description
ALUMINUM ALLOY; 14.880 IN. O/A LG; 6.080 IN. W; 3.040 IN. H IN
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 1660-01-156-9223?
NSN 1660-01-156-9223 is a Heat Exchanger,fuel,air, manufactured by Ametek Thermal Systems Inc, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
What part numbers are listed for NSN 1660-01-156-9223?
NSN 1660-01-156-9223 has 1 manufacturer part number on file: 12451-000 (Ametek Thermal Systems Inc).
What are the specifications of 12451-000?
Key specifications for 12451-000: General Characteristics Item Description: ALUMINUM ALLOY; 14.880 IN. O/A LG; 6.080 IN. W; 3.040 IN. H IN; End Item Identification: AIRCRAFT MODEL F-18. 1 specification is documented in the U.S. Government catalog.
Is NSN 1660-01-156-9223 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 1660-01-156-9223?
NSN 1660-01-156-9223 has DEMIL Code B. 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.