NSN 1660-01-450-4641 · NIIN 014504641 · Part number KC49110-303
Tolo Incorporated Dba Bfgoodrich Aerospace, Tolo Division · FSC 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment · FSG 16 — Aircraft Components and Accessories · CAGE 18118
Government record, cited
NSN 1660-01-450-4641 — this item is cataloged by the U.S. Government under National Stock Number 1660-01-450-4641. Manufacturer of record part number: KC49110-303.
Also searched as1660-01-450-4641 ·
1660014504641 ·
NIIN 014504641 ·
01-450-4641 ·
FSC 1660 Aircraft Air Conditioning, Heating, and Pressurizing Equipment · CAGE 18118 · KC49110-303
Nearby stock numbers← 1660-01-450-3568 Parts Kit, Seal Replacement, Mecha
·
1660-01-450-4865 Diffuser, Air, Aircraft Heating an →
Features
Duct Assembly,air Conditioning-H — FSC 1660
Aircraft Mission Design Series: KC-135D/E
1 manufacturer part number on file
Manufacturer of record: Tolo Incorporated Dba Bfgoodrich Aerospace, Tolo Division
Identification
NSN: 1660-01-450-4641
NIIN: 014504641
FSC: 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
The Duct Assembly,air Conditioning-H, cataloged under National Stock Number 1660-01-450-4641, 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 Tolo Incorporated Dba Bfgoodrich Aerospace, Tolo Division. 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
1660-01-450-4641
Primary Part Number
KC49110-303
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 1660-01-450-4641?
NSN 1660-01-450-4641 is a Duct Assembly,air Conditioning-H, manufactured by Tolo Incorporated Dba Bfgoodrich Aerospace, Tolo Division, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
What part numbers are listed for NSN 1660-01-450-4641?
NSN 1660-01-450-4641 has 1 manufacturer part number on file: KC49110-303 (Tolo Incorporated Dba Bfgoodrich Aerospace, Tolo Division).
What are the specifications of KC49110-303?
Key specifications for KC49110-303: Special Features: USED ON APU UNIT; Part Name Assigned by Controlling Agency: PLENUM ASSY-AIR INTAKE; Aircraft Mission Design Series: KC-135D/E. 1 specification is documented in the U.S. Government catalog.
Is NSN 1660-01-450-4641 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 1660-01-450-4641?
NSN 1660-01-450-4641 has DEMIL Code Q. 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.