旋钮, 指示点杆, 圆形, 50.29MM
平滑 0.250"（6.35mm） 轴，带有 顶部线 酚醛塑料 黑色
得捷:
KNOB SMOOTH 0.250" PHENOLIC
e络盟:
旋钮, 指示点杆, 圆形, 50.29MM
Allied Electronics:
Knob; Phenolic; 1/4 in. Shaft; 15/32 in.; 8-32
MASTER:
2"Dia x 0.625"High - Black Thermoset - 0.25" Dia Mounting Hole - Plain Molded Hole