关于IPC的疑问

看你飞 · 发表于 2017-7-3 09:53:45

在IPC中查询件号时，替代件有三种件号，optional to basic pn 、buy pn 和alternate form basic PN有什么区别？求大神指点

一绪 · 发表于 2017-7-3 10:42:47

Optional (OPT) Fully replaceable with the basic part in all locations on the A/C.
Alternate (ALT) This allows the replacement of the basic part number by a reworked one.
BUY (BUY) Also known as preferred PN, "BUY PN XXXXXXXX" identifies an item, which is recommended as spares purposes.
IPC前言里说的。