MIL1797

View detailed technical data, stock status, and sourcing information for: MIL1797

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MIL1797
Federal Supply Group
Fire Control Equipment
Federal Supply Classification
1240 Optical Sighting and Ranging Equipment
National Stock Number
1240-00-210-4384
Item Name Code
10908
Assigment Date
01/01/1963 (63 years ago)

1.5170 nominal refraction index, polished surface finish, both polished surface, 46.6 millimeters minimum and 47.0 millimeters maximum diameter, 7.6 millimeters minimum and 8.0 millimeters maximum thickness

Product Characteristics

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

Diameter
46.6 millimeters minimum and 47.0 millimeters maximum
Thickness
7.6 millimeters minimum and 8.0 millimeters maximum
Surface Finish
polished
Refraction Index
1.5170 nominal
Polished Surface
both
Dispersion
64.5 angstroms nominal
Reflection Reducing Surface
both
Polished Periphery
not provided
Material
glass optical location not otherwise specified
Material Document And Classification
jan-g-174, grade b mil spec single material response location not otherwise specified
Fsc Application Data
optical sighting and ranging equipment

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
1049116 Optical Instrument Window
MIL1797 Optical Instrument Window

FAQs

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

What is the FSCG of the NSN 1240-00-210-4384?
The FSCG of the NSN 1240-00-210-4384 is 1240
Does the NSN 1240-00-210-4384 have a Schedule B code assigned?
Yes, the Schedule B code is 9803200000
Does NSN 1240-00-210-4384 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 1240-00-210-4384 contain precious materials?
Item does not contain precious metal.
Does NSN 1240-00-210-4384 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 1240-00-210-4384 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

Professional Distribution

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