2190-440-AL,HEX STANDOFFPLAIN ALUMINUM5/16 H
2190-440-B,HEX STANDOFFPLAIN BRASS5/16 HEX
2190-440-N,HEX STANDOFFNO FINISH - NYLON5/1
2190-440-S,HEX STANDOFFPLAIN STEEL5/16 HEX
2190-440-SS,HEX STANDOFFPLAIN STAINLESS STEE
2190-440-SS-20,HEX STANDOFFPASSIVATE5/16 HEX X
2-1905091-0,光纤（线缆组件） FO C/A LC YEL SC SM YEL
2-1905091-5,光纤（线缆组件） FO C/A LC YEL SC SM YEL
