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
38-55 P12	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-56	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-56	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-56 P03	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-56 P07	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-56 P12	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-57 P03	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-57 P07	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-57 P12	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-58	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-58	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-58 P03	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-58 P07	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-58 P12	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-59	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-59	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-59 P03	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-59 P03	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-59 P07	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-59 P07	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-59 P12	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-59 P12	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-60	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-60	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-60 P03	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-60 P03	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-60 P07	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-60 P07	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-60 P12	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-60 P12	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-61	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-61	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-61 P07	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-61 P07	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-61 P12	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-61 P12	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-62	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-62 P03	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-62 P03	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-62 P07	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-62 P07	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-63	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-63	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-63 P03	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-63 P03	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-63 P07	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-63 P07	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-63 P12	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-63 P12	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-64	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM