10555970

View detailed technical data, stock status, and sourcing information for: 10555970

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10555970
Federal Supply Group
Fire Control Equipment
Federal Supply Classification
1240 Optical Sighting and Ranging Equipment
National Stock Number
1240-00-133-5849
Item Name Code
10908
Assigment Date
12/30/1968 (57 years ago)

A color free item of transparent or translucent material, usually optical glass, having specific light dispersive and refractive properties. This item must have two plane-parallel surfaces and is designed for use in an optical instrument to provide a barrier to foreign matter and/or permit light transmission in or to the optical system.

0.140 inches minimum and 0.160 inches maximum thickness, not provided polished periphery, 3.120 inches minimum and 3.125 inches maximum diameter, both reflection reducing surface, 0.020 inches minimum and 0.030 inches maximum bevel depth

Product Characteristics

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

Diameter
3.120 inches minimum and 3.125 inches maximum
Thickness
0.140 inches minimum and 0.160 inches maximum
Bevel Depth
0.020 inches minimum and 0.030 inches maximum
Reflection Reducing Surface
both
Polished Periphery
not provided
Bevel Angle In Deg
42.000 minimum and 48.000 maximum
Material
glass location not otherwise specified
Fsc Application Data
collimator,infinity aiming reference

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
10555970 Optical Instrument Window
1723 Optical Instrument Window

FAQs

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

What is the FSCG of the NSN 1240-00-133-5849?
The FSCG of the NSN 1240-00-133-5849 is 1240
Does the NSN 1240-00-133-5849 have a Schedule B code assigned?
Yes, the Schedule B code is 9803200000
Does NSN 1240-00-133-5849 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 1240-00-133-5849 contain precious materials?
Item does not contain precious metal.
Does NSN 1240-00-133-5849 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 1240-00-133-5849 was assigned to the Federal Catalog?
It was assigned 57 years ago, on Mon, Dec 30, 1968

Professional Distribution

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