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
07-03855	TCM Washer - Plain .38 X .56 625457	—	—	85	Consumables / Hardware	OEM
07-03860	TCM Spring - Valve Inner 625957	—	—	85	Engine Accessories	OEM
07-03874	TCM Spring - Compression 626634	—	—	85	Consumables / Hardware	OEM
07-03876	TCM Washer - Thrust-Bottom 626741	—	—	85	Engine Accessories	OEM
07-03877	TCM Tube Assembly Elbow Int Man 626744	—	—	85	Engine Accessories	OEM
07-03880	TCM Pin - Groov .13 Dia 626834	—	—	85	Consumables / Hardware	OEM
07-03887	TCM Washer - .32Idx.08 Thk 627279	—	—	85	Consumables / Hardware	OEM
07-03894	TCM Spring - Compression 627378	—	—	85	Consumables / Hardware	OEM
07-03899	TCM Tee .13 NPT 627642	—	—	85	Consumables / Hardware	OEM
07-03901	TCM Stop-Idler-KISS 1.94Lg 627673	—	—	85	Engine Accessories	OEM
07-03904	TCM Key Valve Spring 627731	—	—	85	Engine Accessories	OEM
07-03908	TCM Tube Assembly - El Int Man 627820	—	—	85	Engine Accessories	OEM
07-03963	TCM Sleeve - Air Valve Support 629354	—	—	85	Engine Accessories	OEM
07-03968	TCM Plug .57 Dia X 1.09 Lg 629645	—	—	85	Consumables / Hardware	OEM
07-03980	TCM Tube - Int Manifold 629872	—	—	85	Engine Accessories	OEM
07-03981	TCM Tube Assembly - Int Man 629873	—	—	85	Engine Accessories	OEM
07-03984	TCM Tube Assembly - Int Man 630060	—	—	85	Engine Accessories	OEM
07-03996	TCM Plug - .63-18 Hex Head 630415	—	—	85	Consumables / Hardware	OEM
07-04000	TCM Tube Assembly - Balance 630626	—	—	85	Engine Accessories	OEM
07-04001	TCM Tube Assembly - Balance 630627	—	—	85	Engine Accessories	OEM
07-04002	TCM Tube Assembly - Balance 630628	—	—	85	Engine Accessories	OEM
07-04005	TCM Tube - Bend Assembly 630658	—	—	85	Engine Accessories	OEM
07-04006	TCM Tube - Bend Assembly 630659	—	—	85	Engine Accessories	OEM
07-04007	TCM Tube - Bend Assembly 630660	—	—	85	Engine Accessories	OEM
07-04008	TCM Tube - Bend Assembly 630661	—	—	85	Engine Accessories	OEM
07-04009	TCM Tube - Bend Assembly 630662	—	—	85	Engine Accessories	OEM
07-04015	TCM Pin - Dowel .19 X .50 Lg 630873	—	—	85	Consumables / Hardware	OEM
07-04027	TCM Tube Assembly - Balance 631220	—	—	85	Engine Accessories	OEM
07-04034	TCM Spacer - Plunger - Man Valve 631350	—	—	85	Engine Accessories	OEM
07-04039	TCM Spring - Compression 631426	—	—	85	Consumables / Hardware	OEM
07-04043	TCM Seat - Spec .74 0Dx.53 Id 631653	—	—	85	Consumables / Hardware	OEM
07-04061	TCM Plug .06-27 NPTF 631918	—	—	85	Consumables / Hardware	OEM
07-04074	TCM Plug - Hubbard 1.31 Dia 632094	—	—	85	Engine Accessories	OEM
07-04076	TCM Tee - Fitting 632119	—	—	85	Consumables / Hardware	OEM
07-04077	TCM Washer .51 Id X .25 Thk 632120	—	—	85	Consumables / Hardware	OEM
07-04079	TCM Spring 632251	—	—	85	Consumables / Hardware	OEM
07-04083	TCM Tube Assembly - Elbow 632328	—	—	85	Engine Accessories	OEM
07-04084	TCM Tube Assembly - El Int Mani 632329	—	—	85	Engine Accessories	OEM
07-04098	TCM Tube Assembly Air .25 OD 632633	—	—	85	Engine Accessories	OEM
07-04129	TCM Washer .32 Id X .08 Thk 633062	—	—	85	Consumables / Hardware	OEM
07-04144	TCM Tube Assembly - Air Manifold 633397	—	—	85	Engine Accessories	OEM
07-04145	TCM Sleeve - Channel Band 633411	—	—	85	Engine Accessories	OEM
07-04148	TCM Tube Assembly - Air Manifold 633485	—	—	85	Engine Accessories	OEM
07-04157	TCM Tube Assembly .38 Dia 633719	—	—	85	Engine Accessories	OEM
07-04158	TCM Tube Assembly - Int 633728	—	—	85	Engine Accessories	OEM
07-04160	TCM Sleeve Assembly 633731	—	—	85	Engine Accessories	OEM
07-04194	TCM Tee - .125 NPT 634195	—	—	85	Consumables / Hardware	OEM
07-04217	TCM Spring - Compression 635063	—	—	85	Consumables / Hardware	OEM
07-04221	TCM Spacer 635293	—	—	85	Consumables / Hardware	OEM
07-04225	TCM Tube Assembly - Balance 635645	—	—	85	Engine Accessories	OEM