1240-01-078-8280

Find complete technical information, availability, and procurement data for: 1240-01-078-8280
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Federal Supply Group

Fire Control Equipment

Federal Supply Classification

1240 Optical Sighting and Ranging Equipment

National Stock Number

1240-01-078-8280

Item Name Code

22451

Assigment Date

06/20/1979 (47 years ago)

3.060 inches minimum and 3.070 inches maximum recess diameter, 0.053 inches minimum and 0.063 inches maximum recess depth, 0.060 inches minimum and 0.070 inches maximum hole diameter, 0.477 inches minimum and 0.487 inches maximum overall length, b3.000 in.-32 thread size

Product Characteristics

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

Hole Diameter: 0.060 inches minimum and 0.070 inches maximum
Overall Length: 0.477 inches minimum and 0.487 inches maximum
Recess Diameter: 3.060 inches minimum and 3.070 inches maximum
Recess Depth: 0.053 inches minimum and 0.063 inches maximum
Thread Size: b3.000 in.-32
Guide Design: thread relief
Guide Location: both edges
Internal Annular Serration: not provided
Setscrew Notch: not provided
Hole Chamfer Angle In Deg: 45.0
Hole Chamfer Diameter: 3.245 inches minimum and 3.255 inches maximum
Material: aluminum alloy 6061
Style Designator: recessed

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
12266634	Optical Element Retainer

FAQs

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

What is the FSCG of the NSN 1240-01-078-8280?

The FSCG of the NSN 1240-01-078-8280 is 1240

Does the NSN 1240-01-078-8280 have a Schedule B code assigned?

Yes, the Schedule B code is 9803200000

Does NSN 1240-01-078-8280 require demilitarization?

"commerce control list items (ccli) - mut to the point of scrap required outside the united states. Inside the united states, mut is required when the demil integrity code (ic) is "3" and mut is not required when the demic is "6" (note 8)"

Does NSN 1240-01-078-8280 contain precious materials?

Item does not contain precious metal.

Does NSN 1240-01-078-8280 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 1240-01-078-8280 was assigned to the Federal Catalog?

It was assigned 47 years ago, on Wed, Jun 20, 1979