NSN 1660-01-647-9846 · NIIN 016479846 · Part number 25-8UN125-45A
Textron Aviation Inc · FSC 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment · FSG 16 — Aircraft Components and Accessories · CAGE 7EK50
Government record, cited
NSN 1660-01-647-9846 — this item is cataloged by the U.S. Government under National Stock Number 1660-01-647-9846. Manufacturer of record part number: 25-8UN125-45A.
Also searched as1660-01-647-9846 ·
1660016479846 ·
NIIN 016479846 ·
01-647-9846 ·
FSC 1660 Aircraft Air Conditioning, Heating, and Pressurizing Equipment · CAGE 7EK50 · 25-8UN125-45A
FSC: 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
FSG: 16 — Aircraft Components and Accessories
Primary part number: 25-8UN125-45A
Manufacturer: Textron Aviation Inc
General Description
The Selector,aircraft Cabin Pressure, cataloged under National Stock Number 1660-01-647-9846, 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 Textron Aviation Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
1660-01-647-9846
Primary Part Number
25-8UN125-45A
Item Name
Selector,aircraft Cabin Pressure
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 1660-01-647-9846?
NSN 1660-01-647-9846 is a Selector,aircraft Cabin Pressure, manufactured by Textron Aviation Inc, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
What part numbers are listed for NSN 1660-01-647-9846?
NSN 1660-01-647-9846 has 1 manufacturer part number on file: 25-8UN125-45A (Textron Aviation Inc).
What are the specifications of 25-8UN125-45A?
Key specifications for 25-8UN125-45A: Part Name Assigned by Controlling Agency: SELECTOR, ASSY LANDING; End Item Identification: HAWKER 800XP 850XP. 0 specifications are documented in the U.S. Government catalog.
Is NSN 1660-01-647-9846 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.