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Union, Tube, Corrosion Resistant Steel
Part # MS21902K4
Certifications: MS21902-4K more_horiz
UNION
ATA Number 21 ,
22 ,
29 ,
30 ,
32 ,
36 ,
47 ,
49 ,
78
ATA Chapter Air Conditioning
Auto Flight
Hydraulic Power
Ice and Rain Protection
Landing Gear
Pneumatic
Nitrogen Generation System
Airborne Auxiliary Power
Exhaust
3 more See less
ATA Group Airframe Systems
Power Plant
ATA Section INTEGRATED AIR SUPPLY TEMPERATURE CONTROL
YAW DAMPER SYSTEM
AUTOPILOT/FLIGHT DIRECTOR ROLL AND YAW AXIS CONTROL
MAIN GEAR
ENGINE BLEED AIR
NGS GENERATION
NGS GENERATION INDICATION
APU FUEL SYSTEM
THRUST REVERSER SYSTEM
3 more See less
FSCG Category Hose, Pipe, Tube, Lubrication, and Railing Fittings
Product Class Description
Harmonized Tariff Schedule Code
Revision Level Applicable
Material Composition CORROSION RESISTANT STEEL (CRES)
Potential Alternates MS21902-K4
MS 21902 K4
4730000098259
MS21902-4K
138898ITL
Aircraft Models 727
737-500
747-400
767-300F
767-200ER
787
A320-200
747
767-400ER
777-300ER
737NG
737 MAX 8
767-200
737
737 MAX 9
767-200EREM
767-200ERSF
787-10
402F
707
737-200
737-900
767-200ERT
767-200EM
BBJ 737-900ER
747-8F
737-8200
737-8
A320-200 NEO
A330-300
737-900ER
A321-100
401
747-8
767-300
777-300
737-10
777
BBJ 737-700
402
757-300
402Q
402NG
767-300BCF
A340-300
A340-500
A319-100
767-300EREM
787-9
767
737MAX
737-7
Q400
737-700C
787-8
757-300EM
757-200EM
A321-200
BBJ 747-8
727-200
737-600
737-700
A330-200
A321-200 NEO
737-400
757
757-200
767-300ER
767-200SF
777-200F
402QPF
Q402F
777-200ER
402C
727-100
777-200
A340-200
737-300
A340-600
737-800
BBJ 737-800
767-400
747-400PC
767-KC46
737-9
737-100
777-200LR
81 more See less Product information provided "as is", and Boeing may add, change, discontinue or remove product information at any time. Product photos may not be exact match to product delivered. See terms & conditions .
