1270-01-172-2220

Find complete technical information, availability, and procurement data for: 1270-01-172-2220

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1270-01-172-2220
Federal Supply Group
Fire Control Equipment
National Stock Number
1270-01-172-2220
Item Name Code
21859
Assigment Date
02/16/1984 (42 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.

2b thread class, 0.144 inches thread length, 0.490 inches nominal overall length, right-hand thread direction, +1.9838 to 1.9888 inches thread pitch diameters

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
Thread Pitch Diameters
+1.9838 to 1.9888 inches
Thread Direction
right-hand
Thread Length
0.144 inches
Overall Length
0.490 inches nominal
Thread Size
2.000-40
Overall Diameter
3.060 inches nominal
Screw Thread Series Designator
uns
Thread Location
internal
Eccentric Construction
not provided
Chamfer Location
smaller diameter end
Chamfer Size
0.050 in.by 45 deg
Material
aluminum alloy 6061

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
13075704 Optical Element Cell

FAQs

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

What is the FSCG of the NSN 1270-01-172-2220?
The FSCG of the NSN 1270-01-172-2220 is 1270
Does the NSN 1270-01-172-2220 have a Schedule B code assigned?
Yes, the Schedule B code is 9803200000
Does NSN 1270-01-172-2220 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 1270-01-172-2220 contain precious materials?
Item does not contain precious metal.
Does NSN 1270-01-172-2220 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 1270-01-172-2220 was assigned to the Federal Catalog?
It was assigned 42 years ago, on Thu, Feb 16, 1984

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