1390118
View detailed technical data, stock status, and sourcing information for: 1390118
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A cylindrical, externally threaded item having a centrally located hole specifically designed to retain by means of either a raised box (shoulder), or counterbore, countersink, or a similar shaped recess, an optical element such as a lens, reticle, cell, and the like, in optical assemblies. It must have drilled holes or slots to facilitate assembly and disassembly. For items which house the optical element(s), and form the internal or central portions of an optical system, see cell, optical element. Excludes:ring, externally threaded.
1.457 inches minimum and 1.462 inches maximum hole diameter, 4 hole or slot quantity, 1.541 inches minimum and 1.543 inches maximum recess diameter, 0.247 inches minimum and 0.253 inches maximum overall length, 0.122 inches minimum and 0.128 inches maximum recess depth
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Hole Diameter
- 1.457 inches minimum and 1.462 inches maximum
- Overall Length
- 0.247 inches minimum and 0.253 inches maximum
- Hole Or Slot Quantity
- 4
- Recess Diameter
- 1.541 inches minimum and 1.543 inches maximum
- Recess Depth
- 0.122 inches minimum and 0.128 inches maximum
- Diameter
- 0.079 inches nominal
- Thread Size
- 1.874 in.-32
- Depth
- 0.250 inches nominal
- End Item Identification
- telescope
- Drive Type
- drilled hole
- Drive Facility Angular Spacing In Deg
- 90.0
- Radius From Geometric Axis To Hole Center
- 0.856 inches minimum and 0.862 inches maximum
- Guide Design
- thread chamfer
- Guide Location
- both edges
- Internal Annular Serration
- not provided
- Setscrew Notch
- not provided
- Hole Chamfer Angle In Deg
- 0.0
- Hole Chamfer Diameter
- 1.457 inches minimum and 1.462 inches maximum
- Material
- aluminum alloy
- Style Designator
- recessed
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FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 1240-00-210-4396?
Does the NSN 1240-00-210-4396 have a Schedule B code assigned?
Does NSN 1240-00-210-4396 require demilitarization?
Does NSN 1240-00-210-4396 contain precious materials?
Does NSN 1240-00-210-4396 contain hazardous materials?
When the NSN 1240-00-210-4396 was assigned to the Federal Catalog?
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