1240-00-382-0993

Find complete technical information, availability, and procurement data for: 1240-00-382-0993

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1240-00-382-0993
Federal Supply Group
Fire Control Equipment
Federal Supply Classification
1240 Optical Sighting and Ranging Equipment
National Stock Number
1240-00-382-0993
Item Name Code
21859
Assigment Date
01/01/1963 (63 years ago)

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.

3a and 3b thread class, +1.8547 to 1.8750 inches and +1.4797 to 1.5000 inches thread pitch diameters, 0.825 inches nominal overall length, 0.750 inches and 0.350 inches thread length, right-hand thread direction

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class
3a and 3b
Thread Pitch Diameters
+1.8547 to 1.8750 inches and +1.4797 to 1.5000 inches
Thread Direction
right-hand
Thread Length
0.750 inches and 0.350 inches
Overall Length
0.825 inches nominal
Thread Size
1 7/8-32 and 1 1/2-32
Overall Diameter
1.875 inches nominal
Screw Thread Series Designator
unf
Drive Type
slotted face
Thread Location
external and internal
Eccentric Construction
not provided
Chamfer Location
larger diameter end
Chamfer Size
0.010 by 9 deg
Element Securing Method
internal thread
Material
copper alloy

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:

Part Number Name
233057PC5 Optical Element Cell

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 1240-00-382-0993?
The FSCG of the NSN 1240-00-382-0993 is 1240
Does the NSN 1240-00-382-0993 have a Schedule B code assigned?
Yes, the Schedule B code is 9803200000
Does NSN 1240-00-382-0993 require demilitarization?
Usml or ccl military items - demil required. Destroy item and components to prevent restoration or repair to a usable condition. (note 5).
Does NSN 1240-00-382-0993 contain precious materials?
Item does not contain precious metal.
Does NSN 1240-00-382-0993 contain hazardous materials?
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
When the NSN 1240-00-382-0993 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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