3) fused quartz, reference type, double surface, 3 in. Dia., 0.625 in. Thk, 0.000001 in. Flatness accuracy, with wooden case, surface angle shall b 10 to 15 minutes of arc to each other
No other part numbers with same form, fit, and function found.
Two or more optical flats. Excludes optical parallels.
NSN 6150-01-419-6821
NSN 6110-01-242-5757
NSN 5960-01-334-5146
NSN 6150-00-985-8398
NSN 4140-01-152-2672
NSN 5935-01-285-2451
NSN 6130-01-411-5103
NSN 5930-01-512-1833
NSN 6110-00-393-1212
NSN 5985-01-611-0893
NSN 5985-01-185-7706
NSN 5905-01-089-8723