NSN 1660-01-477-2993 · NIIN 014772993 · Part number 145S3657-2
The Boeing Company · FSC 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment · FSG 16 — Aircraft Components and Accessories · CAGE 77272
Government record, cited
NSN 1660-01-477-2993 — this item is cataloged by the U.S. Government under National Stock Number 1660-01-477-2993. Manufacturer of record part number: 145S3657-2.
Also searched as1660-01-477-2993 ·
1660014772993 ·
NIIN 014772993 ·
01-477-2993 ·
FSC 1660 Aircraft Air Conditioning, Heating, and Pressurizing Equipment · CAGE 77272 · 145S3657-2
Supplementary Features: NHA 145S3657-1 DRIP PAN; END ITEMPN 145S3657
1 manufacturer part number on file
Manufacturer of record: The Boeing Company
Identification
NSN: 1660-01-477-2993
NIIN: 014772993
FSC: 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
FSG: 16 — Aircraft Components and Accessories
Primary part number: 145S3657-2
Manufacturer: The Boeing Company
General Description
The Pan,drip, cataloged under National Stock Number 1660-01-477-2993, 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. 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
1660-01-477-2993
Primary Part Number
145S3657-2
Item Name
Pan,drip
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 1660-01-477-2993?
NSN 1660-01-477-2993 is a Pan,drip, manufactured by The Boeing Company, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
What part numbers are listed for NSN 1660-01-477-2993?
NSN 1660-01-477-2993 has 1 manufacturer part number on file: 145S3657-2 (The Boeing Company).
What are the specifications of 145S3657-2?
Key specifications for 145S3657-2: Supplementary Features: NHA 145S3657-1 DRIP PAN; END ITEMPN 145S3657; End Item Identification: CHINOOK HELICOPTER. 1 specification is documented in the U.S. Government catalog.
Is NSN 1660-01-477-2993 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.