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
519589	INSERT	—	—	85	unknown	OEM
519593	NOSE COWL	—	—	85	unknown	OEM
51D249	Dimpled Washer	—	—	85	Engine Accessories	OEM
51D249	Dimpled Washer	—	—	85	Engine Accessories	OEM
520	CRANKSHAFT	—	C340 737-200+1	85	unknown
520-DL-1 Kit	520 dl 1 kit	teledyne continental	—	85	Engine Accessories	OEM
520-DL-2 Kit	520 dl 2 kit	teledyne continental	—	85	Engine Accessories	OEM
52001099	LINE	Cessna	C402	85	unknown	OEM
520047	Assembly, Pushrod	—	—	85	Engine Accessories	OEM
520047	Assembly, Pushrod	—	—	85	Engine Accessories	OEM
520105	Spring, Valve, Outer	—	—	85	Engine Accessories	OEM
520105	Spring, Valve, Outer	—	—	85	Engine Accessories	OEM
520106	Spring, Valve Inner	—	—	85	Engine Accessories	OEM
520106	Spring, Valve Inner	—	—	85	Engine Accessories	OEM
520112-2	heil coil	teledyne continental	—	85	Consumables / Hardware	OEM
521349	PIPE	—	Douglas DC-6	85	unknown	OEM
521649-3	Ring, External Retaining	—	—	85	Engine Accessories	OEM
522247-3	ring	teledyne continental	—	85	Consumables / Hardware	OEM
524183	Stud, 5/16-18 x 5/16-24, 6-7/8 Long	—	—	85	Consumables / Hardware	OEM
527520H005005	SHIELD	—	DA42	85	unknown	OEM
52777-02	Baffle Assy.	—	PA-31 Navajo	85	Engine Accessories	OEM
528021	ENGINE	—	PA-46 Malibu	85	Engine Accessories	PMA
52L9915	GUIDE	—	—	85	unknown
530058	Bearing	—	—	85	Consumables / Hardware	OEM
530058	Bearing	—	—	85	Consumables / Hardware	OEM
530144A1P015	RING ASSEMBLY	—	—	85	Engine Accessories	OEM
530162	valve cover gaskets	teledyne continental	King Air 90	85	Consumables / Hardware	OEM
530182	CRANKSHAFT	—	C150	85	Engine Accessories	OEM
530182RRM010	CRANKSHAFT	—	C150	85	unknown
530184A2	CONNECTING ROD	—	C172 Skyhawk C170	85	Engine Accessories
530196	CRANKSHAFT	CONT	—	85	Engine Accessories	OEM
530196A1	CRANKSHAFT	—	—	85	Engine Accessories	OEM
530199	CRANKSHAFT	—	—	85	unknown	OEM
530213	CONNECT ROD	—	C172 Skyhawk	85	Flight Controls	OEM
530341	PISTON	—	C172 Skyhawk	85	unknown
530348	PISTON	—	C150	85	unknown
530367	Bearing, Rocker	—	—	85	Engine Accessories	OEM
530367	Bearing, Rocker	—	—	85	Engine Accessories	OEM
530383	Bearing, Connecting Rod	—	—	85	Engine Accessories	OEM
530383	Bearing, Connecting Rod	—	—	85	Engine Accessories	OEM
530386	BEARING	—	C180	85	unknown
530462	Bushing, Rocker Boss Shaft	—	—	85	Engine Accessories	OEM
530462	Bushing, Rocker Boss Shaft	—	—	85	Engine Accessories	OEM
530462P005	Bushing, Rocker Boss Shaft	—	—	85	Engine Accessories	OEM
530462P010	Bushing, Rocker Boss Shaft	—	—	85	Engine Accessories	OEM
530462P020	Bushing, Rocker Boss Shaft	—	—	85	Engine Accessories	OEM
530658	ROD BEARING	CONT	C206 Stationair C421 Golden Eagle	85	Engine Accessories	OEM
530763A1	OIL SUMP	—	C172 Skyhawk	85	Engine Accessories	PMA
530828	Plug, Piston Pin	—	—	85	Engine Accessories	OEM
530828	Plug, Piston Pin	—	—	85	Engine Accessories	OEM