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
07-17342	MS20822-4-4 Lycoming Elbow - .250 NPT To .250 Tube - 90	—	—	85	Consumables / Hardware	OEM
07-17343	MS20822-5-4 Lycoming Elbow - .25 NPT To .31 Fl Tube - 9	—	—	85	Consumables / Hardware	OEM
07-17344	MS20822-6 Lycoming Elbow - .25 NPT To .38 Fl Tube - 9	—	—	85	Consumables / Hardware	OEM
07-17345	MS20822-6-2 Lycoming Elbow - .125 NPT To .38 Fl Tube -	—	—	85	Consumables / Hardware	OEM
07-17346	MS20822-6-6 Lycoming Elbow - .38 NPT To .38 Fl Tube - 9	—	—	85	Consumables / Hardware	OEM
07-17347	MS20822-6-8 Lycoming Elbow - .50 NPT To .38 Fl Tube - 6	—	—	85	Consumables / Hardware	OEM
07-17348	MS20822-8 Lycoming Elbow - .500 Flared Tube - .375 Np	—	—	85	Consumables / Hardware	OEM
07-17349	MS20823-3 Lycoming Elbow - .125 NPT To .19 Fl Tube -	—	—	85	Consumables / Hardware	OEM
07-17350	MS20823-4 Lycoming Elbow - .125 NPT To .250 Fl Tube 45 Deg	—	—	85	Consumables / Hardware	OEM
07-17351	MS20823-6 Lycoming Elbow - .25 NPT To .38 Fl Tube - 4	—	—	85	Consumables / Hardware	OEM
07-17352	MS20823-6D Lycoming Elbow - 45 Deg-.375 Flared Tube	—	—	85	Consumables / Hardware	OEM
07-17353	MS20823-8 Lycoming Elbow - .500 Flared Tube - .375 Np	—	—	85	Consumables / Hardware	OEM
07-17358	MS21043-4 Lycoming Nut - .250-28 Unjc-3B-Self Locking	—	—	85	Consumables / Hardware	OEM
07-17359	MS21044N06 Lycoming Nut - #6-32 Self Locking	—	—	85	Consumables / Hardware	OEM
07-17360	MS21047L3 Lycoming Nut - Plate	—	—	85	Consumables / Hardware	OEM
07-17362	MS24397-151 Lycoming Reducer-Ext-.63 Tube To Int .5	—	—	85	Consumables / Hardware	OEM
07-17366	MS25082-6 Lycoming Nut - .375-24 Unf-3	—	—	85	Consumables / Hardware	OEM
07-17367	MS28775-012 Lycoming O Ring - .364 Id X .07 Dia	—	—	85	Consumables / Hardware	OEM
07-17369	MS28775-120 Lycoming O Ring - .981-.993 Id X .10 Se	—	—	85	Consumables / Hardware	OEM
07-17370	MS28775-137 Lycoming O Ring - 2.040-2.060 Id X .10	—	—	85	Consumables / Hardware	OEM
07-17371	MS28775-143 Lycoming O Ring - 2.415-2.435 Id X .10	—	—	85	Consumables / Hardware	OEM
07-17372	MS28775-147 Lycoming O Ring - 2.660-2.690 Id X .10	—	—	85	Consumables / Hardware	OEM
07-17373	MS28775-148 Lycoming O Ring - 2.722-2.752 Id X .10	—	—	85	Consumables / Hardware	OEM
07-17376	MS29512-02 Lycoming O Ring - .239 Id X .064 Sect.	—	—	85	Consumables / Hardware	OEM
07-17377	MS29512-03 Lycoming O Ring - .301 Id X .064 Sect-.	—	—	85	Consumables / Hardware	OEM
07-17379	MS29512-06 Lycoming O Ring - .468 Id X .078 Sect-.	—	—	85	Consumables / Hardware	OEM
07-17383	MS29513-007 Lycoming O Ring - .140-.150 Id X .07 Se	—	—	85	Consumables / Hardware	OEM
07-17386	MS29513-133 Lycoming O Ring - 1.799 Id X .103 Sect-	—	—	85	Consumables / Hardware	OEM
07-17387	MS29513-138 Lycoming O Ring - 2.112 Id X .103 Sect-	—	—	85	Consumables / Hardware	OEM
07-17388	MS29513-216 Lycoming O Ring - 1.109 Id X .139 Sect-	—	—	85	Consumables / Hardware	OEM
07-17390	MS29513-227 Lycoming O Ring - 2.109 Id X .139 Sect-	—	—	85	Consumables / Hardware	OEM
07-17391	MS29513-241 Lycoming O Ring - 3.844-3.874Id X .13Sec	—	—	85	Consumables / Hardware	OEM
07-17393	MS35276-261 Lycoming Screw - #10-32 X .38 Lg Fillister Head	—	—	85	Consumables / Hardware	OEM
07-17401	MS9068-009 Lycoming O Ring - .203-.213 Id X .070 S	—	—	85	Consumables / Hardware	OEM
07-17413	Os-5538-1 Lycoming Bushing	—	—	85	Engine Accessories	OEM
07-17416	P90-33 Lycoming Arm Nut & Washer	—	—	85	Consumables / Hardware	OEM
07-17459	ST-280-11 Lycoming Plug	—	—	85	Consumables / Hardware	OEM
07-17460	ST-280-3 Lycoming Plug	—	—	85	Consumables / Hardware	OEM
07-17461	ST-280-7 Lycoming Plug	—	—	85	Consumables / Hardware	OEM
07-17497	STD-1016 Lycoming Screw - .250-28 X .375 Lg	—	—	85	Consumables / Hardware	OEM
07-17498	STD-1017 Lycoming Rivet-.095 Dia X .438 Lg-Rd Hd	—	—	85	Consumables / Hardware	OEM
07-17499	STD-1021 Lycoming Dowel-.1875 Dia X .63 Long	—	—	85	Consumables / Hardware	OEM
07-17501	STD-1063 Lycoming Nut - .5625-18 X .28	—	—	85	Consumables / Hardware	OEM
07-17502	STD-1065 Lycoming Dowel-Stepped-.310-.251 Dia	—	—	85	Consumables / Hardware	OEM
07-17504	STD-1065-P10 Lycoming Dowel-.310 & .251 Dia X .55 Lg	—	—	85	Consumables / Hardware	OEM
07-17507	STD-110 Lycoming Screw - #10-24 X .50 Lg.-Fill.He	—	—	85	Consumables / Hardware	OEM
07-17513	STD-1199 Lycoming Pin - .187 Dia X 1.13 Long	—	—	85	Consumables / Hardware	OEM
07-17518	STD-1296 Lycoming Screw - .250-20 X .63 Long-Fill.	—	—	85	Consumables / Hardware	OEM
07-17520	STD-132 Lycoming Dowel-.125 Dia X .34 Long	—	—	85	Consumables / Hardware	OEM
07-17526	STD-136 Lycoming Circlip-.724 Dia. X .063 Wire	—	—	85	Consumables / Hardware	OEM