ENSTROM HELICOPTER CORPORATION
Superseded Parts List
Models TH-28/480/480B
New Part Number / Old Part Number / Description / Reason for Change / Engineering Release Number / IPC Figure / Item Number /28-15033-5 / 28-15033-1 / Bumper – Tail Rotor Assy / Added gasket to bumper / 70 / 8-7 / 18
7641-20 / –- / Battery: Sealed, 24V, Lead/Acid / Added as alternate to standard battery / 70 / 10-14 / 1
4114039-15 / 4114039-11 / Cover, Hat Channel / Increased Durability / 72 / 10-17 / 20
4196652-101 / 4192083-15 / Terminal Strip (T9) / Manufacturer discontinued old part / 71 / 10-18
10-19 / 22
5
4195562-7 / 4192083-19 / Terminal Strip (T10) / Manufacturer discontinued old part / 71 / 10-21 / 1
4196652-3 / 4192083-9 / Terminal Strip (T5) / Manufacturer discontinued old part / 71 / 10-18 / 20
none / 4192083-1 / Terminal Strip (T1) / Manufacturer discontinued old part / 71 / 10-18 / 21
3001-127-470/180C-6.3M / 3001-127-47018 / Fire Detector / Manufacturer part number change / 67 / 10-22 / 1
4199070-1 / 4199017-1 / Programmed Continuity Sensor Installation / Correct error / – / 10-24.1 / 1
4199017-1 / 4199070-1 / Programmed Continuity Sensor Installation / Correct error / – / 10-24-2 / –
28-16253-8 / 28-16253-6 / Sleeve, Rod Push-Pull / Part Number Correction / 70 / 9-12 / 31
AA521-4N / AA521-4 / Bearing / Mfg part number change / 70 / 9-8 / 6
4143012-101 / 4143012-9 / Cover / Weight reduction. / 73 / 8-2 / 22
28-14384-13 / – / Lug / Previously omitted / – / 8-3 / 28
4120016-5 / 4120016-3 / Exhaust Stack / Changed from 4-piece structure to 5 piece structure. Ease of manufacturing. / 69 / 6-1 / 48
4120016-6 / 4120016-4 / Exhaust Stack / Changed from 4-piece structure to 5 piece structure. Ease of manufacturing. / 69 / 6-1 / 49
4119351-15 / 4119351-11 / Hand Hold, Right Side / Product Improvement / 67 / 6-3 / 40
4119351-17 / 4119351-15 / Hand Hold, Left Side / Product Improvement / 67 / 6-3 / 41
New Part Number / Old Part Number / Description / Reason for Change / Engineering Release Number / IPC Figure / Item Number /
4122015-25 / 4122015-19 / Swivel / Improved fit on installation. / 70 / 5-8 / 17
4119351-19 / 4119351-13 / Hand Hold, Cowl / Material change from Noryl plastic to fiberglass – Ease of manufacturing / 71 / 3-2 / –
4119914-11 / 23052363 / Placard / Manufacturer discontinued old part / 67 / 3-20 / 90
4131006-31 / – / Housing, Bearing, / For use with clutch vent reservoir / 73 / 7-1 / 3
4131006-33 / – / Housing, Bearing / For use with clutch vent reservoir / 73 / 7-1 / 3
4131006-45 / – / Housing, Bearing / For use with clutch vent reservoir / 73 / 7-1 / 3
DECember 2013 2