Disc is electro-formed copy of master disc within plus or minus 50.000 microinches; used with 5x illuminated (flash) magnifier to visually compare shot blast cleaned surfaces to the disc (2.0 to 5.5 mils); includes vinyl disc case; complies with astm d4417
No other part numbers with same form, fit, and function found.
NSN 6645-01-028-2186
NSN 6130-00-395-7220
NSN 6320-01-506-9439
NSN 6145-00-162-7922
NSN 6320-00-593-0379
NSN 5905-01-432-0136
NSN 5935-01-440-3468
NSN 6220-01-431-2549
NSN 5950-00-737-8295
NSN 6130-00-881-8706
NSN 5996-01-475-5728
NSN 6685-01-279-1994