55-001D,HEX NUT .375
55-002,
55-00-2,环形公制连接器 FIBER OPTIC PRODUCTS
55002 NA199,CABLE 2COND 22AWG NATURAL
55-00200,CONN VALVE PLUG 3M
【DELTRON】550-0200,测试插头和测试插座 4mm PLUG BLUE
【DELTRON】550-0200-01,
55-00201,CONN VALVE PLUG 5M