Disc is electro-formed copy of master disc within plus or minus 50.000 microinches; used with 5x illuminated (flash) magnifier to visually compare grit/slag blast cleaned surfaces to the disc (1.5 to 5.5 mils); includes vinyl disc case; complies with astm d4417
No other part numbers with same form, fit, and function found.
NSN 6320-01-278-2359
NSN 5985-01-616-3214
NSN 6685-01-040-7710
NSN 5960-01-076-3936
NSN 6645-00-246-4934
NSN 5935-00-826-9291
NSN 5965-00-035-4556
NSN 5910-01-175-3680
NSN 5960-00-308-9123
NSN 6130-00-877-5743
NSN 5990-00-044-8862
NSN 5835-00-833-7080