Optical Element Cell

Features

Specifications

• Thread Pitch Diameters:
  +1.6818/+1.6862 inches
• Thread Length:
  0.100 inches
• Thread Size:
  1 23/32-20
• Overall Diameter:
  1.900 inches
• Screw Thread Series Designator:
  Uns
• Thread Location:
  Internal
• Material:
  Aluminum alloy, qq-a-601, alloy 356, t6
• Surface Treatment:
  Anodized, mil-a-8625, type 2, class 2
• Federal Supply Class (fsc):
  Optical instruments, test equipment, components and accessories
• National Stock Number (nsn):
  6650-01-283-7934
• Special Features:
  125 and 250 microinch surface as required