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
646743P15	piston	teledyne continental	—	85	Engine Accessories	OEM
646762-2	crankcase	teledyne continental	—	85	Engine Accessories	OEM
646762-2A1	crankcase	teledyne continental	—	85	Engine Accessories	OEM
646778	CONNECTING ROD	CONT	C182 Skylane C206 Stationair+5	85	Engine Accessories	OEM
64680A7	CYLINDER	CONT	C182 Skylane	85	Engine Accessories
646821	Cylinder Assembly	—	—	85	Engine Accessories	OEM
646821	Cylinder Assembly	—	—	85	Engine Accessories	OEM
646846	Plunger Unit	—	—	85	Engine Accessories	OEM
646846	Plunger Unit	—	—	85	Engine Accessories	OEM
646929P015	ins-i-vl seat	teledyne continental	—	85	Engine Accessories	OEM
646985	SEAL	—	C210 Centurion	85	Consumables / Hardware	PMA
648000	Rocker Shaft	—	—	85	Engine Accessories	OEM
648002	SHAFT	—	PA-34 Seneca	85	unknown	OEM
648005	PISTON RING	CONT	—	85	Engine Accessories	OEM
648005 & 642602	Ring, Piston	—	—	85	Engine Accessories	OEM
648005 & 642602	Ring, Piston	—	—	85	Engine Accessories	OEM
648005 P05 & 642602 P05	Ring, Piston	—	—	85	Engine Accessories	OEM
648005 P05 & 642602 P05	Ring, Piston	—	—	85	Engine Accessories	OEM
648005 P10 & 642602 P10	Ring, Piston	—	—	85	Engine Accessories	OEM
648005 P10 & 642602 P10	Ring, Piston	—	—	85	Engine Accessories	OEM
648005 P15 & 642602 P15	Ring, Piston	—	—	85	Engine Accessories	OEM
648005 P15 & 642602 P15	Ring, Piston	—	—	85	Engine Accessories	OEM
648005CP	RING	—	C206 Stationair	85	unknown
648005P005	PISTON RING	—	C404 Titan	85	unknown
648005P005 & 642602P005	Ring, Piston	—	—	85	Engine Accessories	OEM
648005P010 & 642602P010	Ring, Piston	—	—	85	Engine Accessories	OEM
648005P015 & 642602P015	Ring, Piston	—	—	85	Engine Accessories	OEM
648006CP	Ring, Compression	—	—	85	Engine Accessories	OEM
648006CP	Ring, Compression	—	—	85	Engine Accessories	OEM
648007	Ring, Oil Control	—	—	85	Engine Accessories	OEM
648007	Ring, Oil Control	—	—	85	Engine Accessories	OEM
648007CP & 636144	Piston Ring	—	—	85	Engine Accessories	OEM
648007CP & 636144	Piston Ring	—	—	85	Engine Accessories	OEM
648007CP P05 & 636144 P05	Piston Ring	—	—	85	Engine Accessories	OEM
648007CP P05 & 636144 P05	Piston Ring	—	—	85	Engine Accessories	OEM
648007CP P10 & 636144 P10	Piston Ring	—	—	85	Engine Accessories	OEM
648007CP P10 & 636144 P10	Piston Ring	—	—	85	Engine Accessories	OEM
648007CP P15 & 636144 P15	Piston Ring	—	—	85	Engine Accessories	OEM
648007CP P15 & 636144 P15	Piston Ring	—	—	85	Engine Accessories	OEM
648008	PISTON RING	—	—	85	Engine Accessories
648008 & 629401	Ring, Piston	—	—	85	Engine Accessories	OEM
648008 & 629401	Ring, Piston	—	—	85	Engine Accessories	OEM
648008 P05 & 629401 P05	Beveled Face Skirt Ring	—	—	85	Engine Accessories	OEM
648008 P05 & 629401 P05	Beveled Face Skirt Ring	—	—	85	Engine Accessories	OEM
648008 P10 & 629401 P10	Beveled Face Skirt Ring	—	—	85	Engine Accessories	OEM
648008 P10 & 629401 P10	Beveled Face Skirt Ring	—	—	85	Engine Accessories	OEM
648008 P15 & 629401 P15	Ring, Piston	—	—	85	Engine Accessories	OEM
648008 P15 & 629401 P15	Ring, Piston	—	—	85	Engine Accessories	OEM
648008P005	ring-piston	teledyne continental	—	85	Consumables / Hardware	OEM
648008P010	ring	teledyne continental	—	85	Consumables / Hardware	OEM