Heat Exchanger, Air to Air, Aircra1660-01-342-2988
NSN 1660-01-342-2988 · NIIN 013422988 · Part number 74B830117-1001
The Boeing Company Div Defense · FSC 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment · FSG 16 — Aircraft Components and Accessories · CAGE 76301
Government record, cited
NSN 1660-01-342-2988 — this item is cataloged by the U.S. Government under National Stock Number 1660-01-342-2988. Manufacturer of record part number: 74B830117-1001.
Also searched as1660-01-342-2988 ·
1660013422988 ·
NIIN 013422988 ·
01-342-2988 ·
FSC 1660 Aircraft Air Conditioning, Heating, and Pressurizing Equipment · CAGE 76301 · 74B830117-1001
Manufacturer of record: The Boeing Company Div Defense
Identification
NSN: 1660-01-342-2988
NIIN: 013422988
FSC: 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
FSG: 16 — Aircraft Components and Accessories
Primary part number: 74B830117-1001
Manufacturer: The Boeing Company Div Defense
General Description
The Heat Exchanger,air to Air,aircra, cataloged under National Stock Number 1660-01-342-2988, 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 The Boeing Company Div Defense. 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
1660-01-342-2988
Primary Part Number
74B830117-1001
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.
1660-00-006-4472
FLANGE,VALVE BODY
1660-00-009-5646
ADAPTER ASSEMBLY,BELLOWS
1660-00-019-8389
1660-00-019-8389 · Item name not on file
1660-00-019-8399
1660-00-019-8399 · Item name not on file
1660-00-031-5285
1660-00-031-5285 · Item name not on file
1660-00-302-4390
PISTON,REGULATING V
1660-00-441-0575
PISTON
1660-01-601-0729
ETHERNET SWITCH
Frequently Asked Questions
What is NSN 1660-01-342-2988?
NSN 1660-01-342-2988 is a Heat Exchanger,air to Air,aircra, manufactured by The Boeing Company Div Defense, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
What part numbers are listed for NSN 1660-01-342-2988?
NSN 1660-01-342-2988 has 1 manufacturer part number on file: 74B830117-1001 (The Boeing Company Div Defense).
What are the specifications of 74B830117-1001?
Key specifications for 74B830117-1001: Overall Height: 10.290 INCHES NOMINAL IN; Overall Width: 13.960 INCHES NOMINAL IN; End Item Identification: AIRCRAFT MODEL F/A-18. 0 specifications are documented in the U.S. Government catalog.
Is NSN 1660-01-342-2988 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.