ATA 85 — Reciprocating Engine

23,102 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
07-17677	STD-415 Lycoming Screw - #10-32 X .38 Long	—	—	85	Consumables / Hardware	OEM
07-17678	STD-420 Lycoming Nut - #10-24 Plain	—	—	85	Consumables / Hardware	OEM
07-17679	STD-425 Lycoming Washer - #10 Plain	—	—	85	Consumables / Hardware	OEM
07-17680	STD-453 Lycoming Plug - .375-18 NPT Sq.Hd. Dr	—	—	85	Consumables / Hardware	OEM
07-17684	STD-514 Lycoming Dowel-.3125 Dia X .50 Long	—	—	85	Consumables / Hardware	OEM
07-17685	STD-514-P15 Lycoming Dowel-.3125 Dia X .50 Long	—	—	85	Consumables / Hardware	OEM
07-17690	STD-557 Lycoming Dowel-.50 Dia X .69 Lg-Hollow	—	—	85	Consumables / Hardware	OEM
07-17692	STD-61 Lycoming Nut - .600-20 Slotted Shear	—	—	85	Consumables / Hardware	OEM
07-17693	STD-617 Lycoming Nut - .375-24 Self-Locking	—	—	85	Consumables / Hardware	OEM
07-17697	STD-669 Lycoming Washer - .52 Id X 1.00 OD X .13	—	—	85	Consumables / Hardware	OEM
07-17699	STD-673 Lycoming Nut - .250-28 Self Locking	—	—	85	Consumables / Hardware	OEM
07-17703	STD-68 Lycoming Pin - .06 Dia X .50 Long	—	—	85	Consumables / Hardware	OEM
07-17705	STD-692 Lycoming Screw - #10-32 X .50 Lg. Rd. Hd.	—	—	85	Consumables / Hardware	OEM
07-17708	STD-703 Lycoming Screw - .3125-24 X .58 Lg	—	—	85	Consumables / Hardware	OEM
07-17709	STD-707 Lycoming Screw - .3125-24 X .69 Lg	—	—	85	Consumables / Hardware	OEM
07-17713	STD-717 Lycoming Ring - .13 Dia X 1.50	—	—	85	Consumables / Hardware	OEM
07-17716	STD-783 Lycoming Plug - .250-18 NPT-Allen	—	—	85	Consumables / Hardware	OEM
07-17718	STD-798 Lycoming Dowel-.09 Dia X .28 Long	—	—	85	Consumables / Hardware	OEM
07-17719	STD-799 Lycoming Nut - .625-18 Slotted Shear	—	—	85	Consumables / Hardware	OEM
07-17721	STD-82 Lycoming Screw No.10-24X.50 Lg.Fillister Head	—	—	85	Consumables / Hardware	OEM
07-17722	STD-820 Lycoming Washer.27Idx.53 OD X.13 Th.	—	—	85	Consumables / Hardware	OEM
07-17725	STD-841 Lycoming Hose - 1.00 X 2.38 Long	—	—	85	Engine Accessories	OEM
07-17727	STD-856 Lycoming Screw - .3125 X .94 Lg	—	—	85	Consumables / Hardware	OEM
07-17730	STD-860 Lycoming Screw - #10-32 X .63 Lg.-Fill.Hd	—	—	85	Consumables / Hardware	OEM
07-17732	STD-875 Lycoming Dowel-.09 Dia X .50 Long	—	—	85	Consumables / Hardware	OEM
07-17734	STD-91 Lycoming Plug - .500-14NPT (Socket)	—	—	85	Consumables / Hardware	OEM
07-17741	STD-969 Lycoming Screw - #10-32 X .50 Lg Fillister Head	—	—	85	Consumables / Hardware	OEM
07-17742	STD-97 Lycoming Nut - .250-28 Slotted	—	—	85	Consumables / Hardware	OEM
07-17747	X-4612 Lycoming Ball Bearing	—	—	85	Engine Accessories	OEM
07-17748	XA-0998 Lycoming Bearing Needle	—	—	85	Engine Accessories	OEM
07-17749	XA-1026 Lycoming Seal	—	—	85	Consumables / Hardware	OEM
07-17750	XA-744-Az Lycoming Seal	—	—	85	Consumables / Hardware	OEM
07-17751	XA-997 Lycoming Bearing Needle .5	—	—	85	Engine Accessories	OEM
07-17924	Superior SA24835 Bolt	—	—	85	Consumables / Hardware	PMA
07-17925	Superior SA35967 P01 Insert Valve	SUPERIOR	—	85	Consumables / Hardware	PMA
07-17926	Superior SA35967 P20 Insert Valve	SUPERIOR	—	85	Consumables / Hardware	PMA
07-17933	Superior SA630591 P10 Seat Valve for Continental	SUPERIOR	—	85	Consumables / Hardware	PMA
07-17934	Superior Insert Intake Valve Seat SA30591 P20	SUPERIOR	—	85	Consumables / Hardware	PMA
07-17977	TCM Exhuast Valve 655969	—	—	85	Engine Accessories	OEM
07-18027	25-22 Lycoming Stud - .250-20 X 2.75 Long	—	—	85	Consumables / Hardware	OEM
07-18056	07A22329 Lycoming Bracket - Twist 550	—	—	85	Engine Accessories	OEM
07-18058	38D-17-P03 Lycoming Stud - .375-16X2.13 Long Drive	—	—	85	Consumables / Hardware	OEM
07-18061	ST-275 Lycoming Driver - Counterbore / Intake Pipe Bore	—	—	85	unknown	OEM
07-18063	06B28651 Lycoming Gasket / Air Inlet Housing	—	—	85	Consumables / Hardware	OEM
07-18071	LW-13346 Lycoming Housing Assembly	—	—	85	Engine Accessories	OEM
07-18074	ST-123 Lycoming Plate Bushing	—	—	85	Engine Accessories	OEM
07-18131	74022 Lycoming Seal & Gasket Set Kit	—	—	85	Consumables / Hardware	OEM
07-18133	Lycoming Adapter AN840-16W	—	—	85	Consumables / Hardware	OEM
07-18142	15N26666-Y Lycoming Camshaft Assembly Roller Lifter	—	—	85	Engine Accessories	OEM
07-18177	LW-12634 Lycoming Housing Assembly - Sump And Induct	—	—	85	Engine Accessories	OEM