Insulator, EndYear: 12/31/1980

Used in models:340, 2130, 4140, 445, 4030, 5500-SERIES, 4400, 3500, 4040, 540A, 4130, 445A, 5550-SERIES, 655A, 3400, 340A, 535, 4410, 420, 340B, 555B, 545A, 450, 3550, 540B, 1871, 335, 1841, 1881, 1821, 1801, 555A, 4610SU, 1811, 2030, 532, 515, 4500, 2110TR, 601, 2600R, 5340, 681, 3150, 961, 650, 531, 2100, 3600, 3100, 7600C, 2N, 850, 6600, 9N, 334, 2300, 2310, 621, 4121, 981, 4600SU, 3000-SERIES, 2120, 860, 3110, 3910R, 4330, 6600C, 701, 4600O, 3910N, 900, 700, 501, 4131, 2910, 630, 2131, 3055, 620, 4110, 4200, 2031, 3610, 800, 7000-SERIES, 541, 671, 3300, 2610, 3610NO, 4340, 741, 3910H, 3600R, 6700, 840, 4000-SERIES, 3330, 950, 530A, 2111, 960, 971, NAA, 7700, 3900, 771, 5200, 740, 3600N, 640, 2000-SERIES, 230A, 611, 5000-SERIES, 2600V, 861, 951, 4610O, 641, 4100, 5600, 8N, 820, 941, 4610N, 3600NO, NAB, 234, 6600O, 4031, 6000, 851, 661, 3310, 631, 901, 651, 233, 5700, 4110N, 7200, 4610NO, 5100, 4600NO, 4120, 2600N, 3120, 3600V, 7100, 2150, 4110TR, 2810