7639254

View detailed technical data, stock status, and sourcing information for: 7639254
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Federal Supply Group

Fire Control Equipment

Federal Supply Classification

1240 Optical Sighting and Ranging Equipment

National Stock Number

1240-00-763-9254

Item Name Code

21859

Assigment Date

01/01/1962 (64 years ago)

0.296 inches nominal overall height, 1.678 inches nominal overall length, 0.120 inches thread length, 3 thread class, 1.409-32 thread size

Product Characteristics

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

Thread Class: 3
Thread Length: 0.120 inches
Overall Length: 1.678 inches nominal
Overall Height: 0.296 inches nominal
Thread Size: 1.409-32
Overall Diameter: 1.890 inches nominal
Screw Thread Series Designator: uns
Drive Type: drilled face
Thread Location: internal
Eccentric Construction: not provided
Chamfer Location: drive end
Chamfer Size: 0.01 in. by 45 deg
Element Securing Method: threaded ring
Material: aluminum alloy 2024
Fsc Application Data: periscope m15,integrated with fire control

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
7639254	Optical Element Cell

FAQs

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

What is the FSCG of the NSN 1240-00-763-9254?

The FSCG of the NSN 1240-00-763-9254 is 1240

Does the NSN 1240-00-763-9254 have a Schedule B code assigned?

Yes, the Schedule B code is 9803200000

Does NSN 1240-00-763-9254 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 1240-00-763-9254 contain precious materials?

Precious metal content is unknown

Does NSN 1240-00-763-9254 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 1240-00-763-9254 was assigned to the Federal Catalog?

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