1240-00-157-9412

Find complete technical information, availability, and procurement data for: 1240-00-157-9412
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Federal Supply Group

Fire Control Equipment

Federal Supply Classification

1240 Optical Sighting and Ranging Equipment

National Stock Number

1240-00-157-9412

Item Name Code

22585

Assigment Date

01/01/1963 (63 years ago)

0.255 inches nominal overall length, 2a thread class, 2.250 inches nominal outside diameter, 0.075 inches thread length, right-hand thread direction

Product Characteristics

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

Thread Class: 2a
Thread Direction: right-hand
Thread Length: 0.075 inches
Overall Length: 0.255 inches nominal
Outside Diameter: 2.250 inches nominal
Thread Size: 2 1/4-32
Aperture Diameter: 1.718 inches nominal
End Item Identification: gun sight mk15
Screw Thread Series Designator: uns
Thread Location: external
Internal Flange Thickness: 0.075 inches nominal
Special Features: tapped hole on flange 0.073-72nf-2b
Material: copper alloy

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
481128PC1	Optical Element Retaining Ring

FAQs

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

What is the FSCG of the NSN 1240-00-157-9412?

The FSCG of the NSN 1240-00-157-9412 is 1240

Does the NSN 1240-00-157-9412 have a Schedule B code assigned?

Yes, the Schedule B code is 9803200000

Does NSN 1240-00-157-9412 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 1240-00-157-9412 contain precious materials?

Item does not contain precious metal.

Does NSN 1240-00-157-9412 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 1240-00-157-9412 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963