7645552

View detailed technical data, stock status, and sourcing information for: 7645552
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Federal Supply Group

Fire Control Equipment

Federal Supply Classification

1240 Optical Sighting and Ranging Equipment

National Stock Number

1240-00-864-2936

Item Name Code

10908

Assigment Date

01/01/1962 (64 years ago)

1.740 inches minimum and 1.745 inches maximum diameter, 0.020 inches minimum and 0.030 inches maximum bevel depth, 0.240 inches minimum and 0.250 inches maximum thickness, both polished surface, ground and polished surface finish

Product Characteristics

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

Diameter: 1.740 inches minimum and 1.745 inches maximum
Thickness: 0.240 inches minimum and 0.250 inches maximum
Surface Finish: ground and polished
Bevel Depth: 0.020 inches minimum and 0.030 inches maximum
Polished Surface: both
Polished Periphery: provided
Bevel Angle In Deg: 42.000 minimum and 48.000 maximum
Special Features: element in accord with spec mil-o-13830; spherical power not to exceed 3 fringes,astigmatism 2 fringes; light deviation not to exceed 2 minutes (0.033 deg) of arc; surfaces quality 80-50; used on periscope and howitzers m109a2 and m109a3
Material: glass optical location not otherwise specified
Material Document And Classification: mil-g-174, grade d, type 523-586 mil spec single material response location not otherwise specified

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Part Number	Name
7645552	Optical Instrument Window

FAQs

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

What is the FSCG of the NSN 1240-00-864-2936?

The FSCG of the NSN 1240-00-864-2936 is 1240

Does the NSN 1240-00-864-2936 have a Schedule B code assigned?

Yes, the Schedule B code is 9803200000

Does NSN 1240-00-864-2936 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 1240-00-864-2936 contain precious materials?

Item does not contain precious metal.

Does NSN 1240-00-864-2936 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 1240-00-864-2936 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962

Professional Distribution

Certified to meet the strict requirements of defense, aerospace, and hazardous materials distribution.

ITAR Registered
DDTC Registered
HAZMAT Certified
AS9120 Quality Standards
100% Quality Inspections

Pricing

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7645552

Product Characteristics

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

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:

FAQs

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

Professional Distribution

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