Thank you for choosing Aerospace-Aviation360.com for Tow Line Fairlead of Part Number 230-0-001 REV B ITEM NO.4 by Maritime Applied Physics Corporation. National Stock Number of this part is 3940016027137 , having CAGE Code No 0E3P8 and FSC name is 3940 Blocks Tackle Rigging And Slings. This is an ASAP Semiconductor owned and operated website.