689190
View detailed technical data, stock status, and sourcing information for: 689190
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A cylindrical item specifically designed to hold a lens, reticle, or window in an optical system. Includes eccentric cells and/or rings designed to be rotated within the instrument to shift an optical element to a prescribed position.
right-hand thread direction, 0.115 inches and 0.145 inches thread length, 2b and 2a thread class, 0.250 inches minimum and 0.260 inches maximum overall length, 0.050 inches minimum and 0.060 inches maximum overall height
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Thread Class
- 2b and 2a
- Thread Direction
- right-hand
- Thread Length
- 0.115 inches and 0.145 inches
- Overall Length
- 0.250 inches minimum and 0.260 inches maximum
- Overall Height
- 0.050 inches minimum and 0.060 inches maximum
- Overall Width
- 2.057 inches minimum and 2.067 inches maximum
- Thread Size
- 1.820-32 and 2.250-32
- End Item Identification
- gun sight mk29
- Screw Thread Series Designator
- uns
- Thread Location
- internal and external
- Eccentric Construction
- not provided
- Chamfer Location
- threaded end
- Chamfer Size
- 0.075 in. by 45 deg
- Material
- aluminum
Related Parts
This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 1240-00-153-2353?
Does the NSN 1240-00-153-2353 have a Schedule B code assigned?
Does NSN 1240-00-153-2353 require demilitarization?
Does NSN 1240-00-153-2353 contain precious materials?
Does NSN 1240-00-153-2353 contain hazardous materials?
When the NSN 1240-00-153-2353 was assigned to the Federal Catalog?
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