ATA 85 — Reciprocating Engine

20,859 parts classified under this chapter

Reliability rollup

91%Median scrap propensity

2,637 parts · 5,796 SDR reports

From FAA Service Difficulty Reports

Part Number	Description	Manufacturer	Airframe	ATA	Category	Status
629401 648008	Ring, Scraper	—	—	85	Engine Accessories	OEM
629404	EXHAUST VALVE	—	C172 Skyhawk C150	85	Engine Accessories
629448	GEAR SHAFT	CONT	C206 Stationair	85	Engine Accessories	OEM
6295183H	PLUG	—	C210 Centurion	85	unknown
629588	GEAR SPLINE	—	PA-28 Cherokee PA-34 Seneca	85	Engine Accessories	PMA
629602	GEAR	—	PA-34 Seneca	85	unknown
629680	COLLAR	—	C310 C414	85	Consumables / Hardware	OEM
629680-1	—	—	—	85	Consumables / Hardware
629680M010	COLLAR	—	—	85	Consumables / Hardware	OEM
629690	PISTON PIN	—	PA-34 Seneca	85	Engine Accessories	PMA
629726	CAMSHAFT	CONT	—	85	Engine Accessories	OEM
629726A3	CAMSHAFT	—	C310	85	Engine Accessories	PMA
629726AB	CAMSHAFT	—	C402	85	Engine Accessories	PMA
629757	TUBE	—	—	85	unknown
629827 & 640300	Ring	—	—	85	Consumables / Hardware	OEM
629827 & 640300	Ring	—	—	85	Consumables / Hardware	OEM
629827 P05 & 640300 P50	Ring	—	—	85	Consumables / Hardware	OEM
629827 P15 & 640300 P15	Ring	—	—	85	Consumables / Hardware	OEM
629828P015	ring-piston oil	teledyne continental	—	85	Engine Accessories	OEM
629935P005	plug-crankshaft	teledyne continental	—	85	Consumables / Hardware	OEM
629935P010	plug-crankshaft	teledyne continental	—	85	Engine Accessories	OEM
63-10002-( )	Inlet Duct Assembly	Machen, Inc.	—	85	Structures	PMA
63-10007-( )	Turbo Inlet Duct	Machen, Inc.	—	85	Engine Accessories	PMA
63000788-1	Piston Ring	—	737 MAX 8 737 MAX 9+1	85	Engine Accessories	OEM
630046	PISTON PIN	CONT	C206 Stationair SR22+6	85	Engine Accessories	OEM
630066A	CRANKSHAFT	—	—	85	Engine Accessories	OEM
63026143	BEARING	—	—	85	unknown
630262P005	Guide, Valve, Intake	—	—	85	Engine Accessories	OEM
630262P010	Guide, Valve, Intake	—	—	85	Engine Accessories	OEM
630262P020	Guide, Valve, Intake	—	—	85	Engine Accessories	OEM
630262P030	Guide, Valve, Intake	—	—	85	Engine Accessories	OEM
630286	O-Ring	—	—	85	Consumables / Hardware	OEM
630286	O-Ring	—	—	85	Consumables / Hardware	OEM
630354	CYLINDER	—	—	85	Hydraulics	PMA
630393	PUSHROD	—	PA-34 Seneca C337 Skymaster	85	Flight Controls	PMA
630455-4	bushing	teledyne continental	—	85	Consumables / Hardware	OEM
630591	Seat, Intake Valve	—	—	85	Engine Accessories	OEM
630591	Seat, Intake Valve	—	—	85	Engine Accessories	OEM
630591P005	Insert, Intake Valve Seat	—	—	85	Engine Accessories	OEM
630591P010	Insert, Intake Valve Seat	—	—	85	Engine Accessories	OEM
630591P015	Insert, Intake Valve Seat	—	—	85	Engine Accessories	OEM
630591P020	Insert, Intake Valve Seat	—	—	85	Engine Accessories	OEM
630591P030	Insert, Intake Valve Seat	—	—	85	Engine Accessories	OEM
630626	BALANCE TUBE	—	C182 Skylane	85	Fuel Systems
630680AC	bearing roller	teledyne continental	—	85	Engine Accessories	OEM
630687P015	PISTON	—	C172 Skyhawk	85	unknown	OEM
630690	GEAR	CONT	SR20	85	Engine Accessories	OEM
630693-10.44	Bolt, Thru, 3/8-24 x 10-7/16	—	—	85	Consumables / Hardware	OEM
630693-10.44	Bolt, Thru, 3/8-24 x 10-7/16	—	—	85	Consumables / Hardware	OEM
630693-11.67	Bolt, Thru, .38-24 x 12.14	—	—	85	Consumables / Hardware	OEM