NSN 1660-01-474-4052 · NIIN 014744052 · Part number 14657-271
Arrowhead Products Corp · FSC 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment · FSG 16 — Aircraft Components and Accessories · CAGE 70628
Government record, cited
NSN 1660-01-474-4052 — this item is cataloged by the U.S. Government under National Stock Number 1660-01-474-4052. Manufacturer of record part number: 14657-271.
Also searched as1660-01-474-4052 ·
1660014744052 ·
NIIN 014744052 ·
01-474-4052 ·
FSC 1660 Aircraft Air Conditioning, Heating, and Pressurizing Equipment · CAGE 70628 · 14657-271 · 74-830157-271
Nearby stock numbers← 1660-01-474-4019 Duct Assembly, Air Conditioning-H
·
1660-01-474-4065 Duct Assembly, Air Conditioning-H →
Features
Duct Assembly,air Conditioning-H — FSC 1660
Aircraft Mission Design Series: F-18
2 manufacturer part numbers on file
Manufacturer of record: Arrowhead Products Corp
Identification
NSN: 1660-01-474-4052
NIIN: 014744052
FSC: 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
FSG: 16 — Aircraft Components and Accessories
Primary part number: 14657-271
Manufacturer: Arrowhead Products Corp
General Description
The Duct Assembly,air Conditioning-H, cataloged under National Stock Number 1660-01-474-4052, 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 Arrowhead Products Corp. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
1660-01-474-4052
Primary Part Number
14657-271
Item Name
Duct Assembly,air Conditioning-H
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 1660-01-474-4052?
NSN 1660-01-474-4052 is a Duct Assembly,air Conditioning-H, manufactured by Arrowhead Products Corp, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
What part numbers are listed for NSN 1660-01-474-4052?
NSN 1660-01-474-4052 has 2 manufacturer part numbers on file: 74-830157-271 (The Boeing Company Div Defense), 14657-271 (Arrowhead Products Corp).
What are the specifications of 14657-271?
Key specifications for 14657-271: Part Name Assigned by Controlling Agency: DUCT ASSEMBLY,WARM AIR; End Item Identification: ACS REFRIGERATION, NSN 01-468-7559; Aircraft Mission Design Series: F-18. 1 specification is documented in the U.S. Government catalog.
Is NSN 1660-01-474-4052 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.