ATA 85 — Reciprocating Engine

22,971 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
07-06312	TCM Grommet - Caterpillar MS21266-1N 13-Inch Long	—	—	85	Consumables / Hardware	OEM
07-06328	TCM Screw - Drive Rd Hd MS21318-15	—	—	85	Consumables / Hardware	OEM
07-06368	TCM Pin - Cotter MS24665-132	—	—	85	Consumables / Hardware	OEM
07-06369	TCM Pin - Cotter .06X.50 Lg MS24665-151	—	—	85	Consumables / Hardware	OEM
07-06370	TCM Pin Cotter MS24665-155	—	—	85	Consumables / Hardware	OEM
07-06371	TCM Pin - Cotter MS24665-300	—	—	85	Consumables / Hardware	OEM
07-06372	TCM Pin - Cotter .09X1.00 Lg MS24665-302	—	—	85	Consumables / Hardware	OEM
07-06373	TCM Pin - Cotter MS24665-372	—	—	85	Consumables / Hardware	OEM
07-06375	TCM Washer - Plain Flat MS27183-10	—	—	85	Consumables / Hardware	OEM
07-06382	TCM Screw .25-28Unf MS35191-291	—	—	85	Consumables / Hardware	OEM
07-06384	TCM Screw - Mach Pan Head MS35207-263	—	—	85	Consumables / Hardware	OEM
07-06385	TCM Screw - Fillister Head MS35265-71	—	—	85	Consumables / Hardware	OEM
07-06387	TCM Screw - Machine Fillister Head MS35266-64	—	—	85	Consumables / Hardware	OEM
07-06388	TCM Screw - #1032-.75Lg MS35266-65	—	—	85	Consumables / Hardware	OEM
07-06390	TCM Lockwasher MS35333-106	—	—	85	Consumables / Hardware	OEM
07-06391	TCM Washer MS35333-41	—	—	85	Consumables / Hardware	OEM
07-06424	TCM Grommet .501Dx1.000Dx.25 MS35489-149X	—	—	85	Consumables / Hardware	OEM
07-06425	TCM Grommet MS35490-60	—	—	85	Consumables / Hardware	OEM
07-06443	TCM Gasket - Copper MS35769-8	—	—	85	Consumables / Hardware	OEM
07-06456	TCM Tee - Pipe To Tube MS51513B4	—	—	85	Consumables / Hardware	OEM
07-06461	TCM Tee - Swivel MS51523B6	—	—	85	Consumables / Hardware	OEM
07-06477	TCM Plug - Machine Thread MS9015-04	—	—	85	Consumables / Hardware	OEM
07-06484	TCM Screw Cap Hex Head.1.75 Lg. MS90725-65	—	—	85	Consumables / Hardware	OEM
07-06485	TCM Screw - Hex Head. 3.50 Lg MS90725-72	—	—	85	Consumables / Hardware	OEM
07-06487	TCM Screw - Hex .31-24 X 1.00 MS90726-34	—	—	85	Consumables / Hardware	OEM
07-06491	TCM Screw - Hex Head MS90728-40	—	—	85	Consumables / Hardware	OEM
07-06498	TCM Pin - Cotter MS9245-62	—	—	85	Consumables / Hardware	OEM
07-06529	TCM Screw NAS1352-3H20P	—	—	85	Consumables / Hardware	OEM
07-06530	TCM Screw - Mach 10-24 NAS1352-3H24P	—	—	85	Consumables / Hardware	OEM
07-06597	TCM Gear Assembly - Idler 534757	—	—	85	Engine Accessories	OEM
07-06802	TCM Shaft Gear Assembly 631014	—	—	85	Engine Accessories	OEM
07-06803	TCM Gear & Bushing Assembly 631016	—	—	85	Engine Accessories	OEM
07-06806	TCM Shaft Gear Assembly 631075	—	—	85	Engine Accessories	OEM
07-06835	TCM Gear Camshaft 632477	—	—	85	Engine Accessories	OEM
07-06843	TCM Gear Assembly - Idler 632795	—	—	85	Engine Accessories	OEM
07-06908	TCM Valve Assembly - Check 639486	—	—	85	Engine Accessories	OEM
07-06912	TCM Rocker Assembly - Valve Intake 639614	—	—	85	Engine Accessories	OEM
07-06913	TCM Rocker Assembly - Valve Exhaust 639615	—	—	85	Engine Accessories	OEM
07-06914	TCM Rocker Assembly - Valve 639648	—	—	85	Engine Accessories	OEM
07-06937	TCM Valve Assembly - Check 641068	—	—	85	Engine Accessories	OEM
07-06957	TCM Sheave Acc Drive 641893	—	—	85	Engine Accessories	OEM
07-06967	TCM Valve -Check 642211	—	—	85	Engine Accessories	OEM
07-07025	TCM Rocker Assembly - Exhaust Valve 646086	—	—	85	Engine Accessories	OEM
07-07026	TCM Rocker Assembly - Intake Valve 646088	—	—	85	Engine Accessories	OEM
07-07029	TCM Tube - Intake Manif #3 Cylinder 646204	—	—	85	Engine Accessories	OEM
07-07031	TCM Tube - Intake Manif #5 Cylinder 646206	—	—	85	Engine Accessories	OEM
07-07052	TCM Valve -Check 646717	—	—	85	Engine Accessories	OEM
07-07090	TCM Pin Assembly. Piston 649703	—	—	85	Engine Accessories	OEM
07-07096	TCM Rocker Assembly - Exhaust 652130	—	—	85	Engine Accessories	OEM
07-07097	TCM Rocker Assembly - Intake 652131	—	—	85	Engine Accessories	OEM