1240-01-320-0121

Find complete technical information, availability, and procurement data for: 1240-01-320-0121
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Federal Supply Group

Fire Control Equipment

Federal Supply Classification

1240 Optical Sighting and Ranging Equipment

National Stock Number

1240-01-320-0121

Item Name Code

22451

Assigment Date

05/17/1990 (36 years ago)

1.9375 in.-32 thread size, 1.968 inches minimum and 1.969 inches maximum recess diameter, 0.030 inches minimum and 0.050 inches maximum recess depth, 1.570 inches minimum and 1.575 inches maximum hole diameter, 0.290 inches minimum and 0.310 inches maximum overall length

Product Characteristics

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

Hole Diameter: 1.570 inches minimum and 1.575 inches maximum
Overall Length: 0.290 inches minimum and 0.310 inches maximum
Recess Diameter: 1.968 inches minimum and 1.969 inches maximum
Recess Depth: 0.030 inches minimum and 0.050 inches maximum
Thread Size: 1.9375 in.-32
Guide Design: thread chamfer
Guide Location: both edges
Internal Annular Serration: not provided
Setscrew Notch: not provided
Hole Chamfer Angle In Deg: 15.0
Hole Chamfer Diameter: 1.715 inches minimum and 1.725 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
13077324-501	Optical Element Retainer

FAQs

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

What is the FSCG of the NSN 1240-01-320-0121?

The FSCG of the NSN 1240-01-320-0121 is 1240

Does the NSN 1240-01-320-0121 have a Schedule B code assigned?

Yes, the Schedule B code is 9803200000

Does NSN 1240-01-320-0121 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 1240-01-320-0121 contain precious materials?

Item does not contain precious metal.

Does NSN 1240-01-320-0121 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 1240-01-320-0121 was assigned to the Federal Catalog?

It was assigned 36 years ago, on Thu, May 17, 1990