105768PC5

View detailed technical data, stock status, and sourcing information for: 105768PC5

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105768PC5
Federal Supply Group
Fire Control Equipment
Federal Supply Classification
1240 Optical Sighting and Ranging Equipment
National Stock Number
1240-00-171-4166
Item Name Code
10908
Assigment Date
01/01/1963 (63 years ago)

A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The maximum tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use shim. For items fabricated from ceramic or electrically rated materials by specification or industry standards use insulator (1), washer. Excludes:disk, valve, graphite impregnated and lubricated items.

41.000 millimeters nominal diameter, 5.000 millimeters nominal thickness, 1.000 inches nominal bevel depth, both polished surface, 1.5165 nominal refraction index

Product Characteristics

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

Diameter
41.000 millimeters nominal
Thickness
5.000 millimeters nominal
Bevel Depth
1.000 inches nominal
Refraction Index
1.5165 nominal
Polished Surface
both
Reflection Reducing Surface
both
Polished Periphery
not provided
Bevel Angle In Deg
45.000 nominal
Material
glass optical location not otherwise specified
Material Document And Classification
jan-g-174, type 517-645, grade c mil spec single material response location not otherwise specified
Fsc Application Data
rangefinder mk 51,mod 4

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
105768PC5 Optical Instrument Window

FAQs

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

What is the FSCG of the NSN 1240-00-171-4166?
The FSCG of the NSN 1240-00-171-4166 is 1240
Does the NSN 1240-00-171-4166 have a Schedule B code assigned?
Yes, the Schedule B code is 9803200000
Does NSN 1240-00-171-4166 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 1240-00-171-4166 contain precious materials?
Item does not contain precious metal.
Does NSN 1240-00-171-4166 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 1240-00-171-4166 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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