Optical Instrument Cell Assembly

Features

Specifications

• Thread Pitch Diameters:
  +3.2021/+3.2077 inches
• Thread Direction:
  Right-hand
• Thread Length:
  0.410 inches
• Thread Size:
  3 1/4-16
• Overall Diameter:
  3.250 inches
• End Application:
  Detectro, chemical warfare directional an/kas-1
• Screw Thread Series Designator:
  Un
• Thread Location:
  External
• Eccentric Construction:
  Not provided
• Cell Controlling Agency:
  Us army elect. Cmd
• Cell Identifying Number:
  Sm-c-969296 drawing no.
• Optical Element Quantity:
  1
• Optical Element Type:
  Optical glass window
• Optical Element Controlling Agency:
  Us army elect. Cmd
• Optical Element Identifying Number:
  Sm-c-969294 drawing no.
• Material:
  Aluminum alloy, qq-a-225/8, t651
• Material Specification:
  Qq-a-225/8, t651 federal specification single material response
• Federal Supply Class (fsc):
  Night vision equipment, emitted and reflected radiation
• National Stock Number (nsn):
  5855-01-337-0245
• Special Features:
  Four slotted drives on one end