1240-00-768-8772

Find complete technical information, availability, and procurement data for: 1240-00-768-8772
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Federal Supply Group

Fire Control Equipment

Federal Supply Classification

1240 Optical Sighting and Ranging Equipment

National Stock Number

1240-00-768-8772

Item Name Code

22585

Assigment Date

01/01/1962 (64 years ago)

An unmounted, transparent, color free lens which may be treated with a low reflection coating to increase light transmission. Includes single and compound elements. For items having two plane parallel surfaces, see window, optical instrument. Excludes:reticle, optical instrument.

right-hand thread direction, 1.435 inches minimum and 1.445 inches maximum groove diameter, 0.300 inches nominal overall length, 0.187 inches thread length, 2a thread class

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
Groove Diameter: 1.435 inches minimum and 1.445 inches maximum
Thread Length: 0.187 inches
Overall Length: 0.300 inches nominal
Outside Diameter: 1.525 inches minimum and 1.535 inches maximum
Thread Size: 1.430 in.-48
Aperture Diameter: 1.197 inches minimum and 1.203 inches maximum
Inner Groove Width: 0.053 inches minimum and 0.073 inches maximum
Screw Thread Series Designator: uns
Mounting Configuration: internal thread
Thread Location: internal
Internal Flange Thickness: 0.045 inches minimum and 0.055 inches maximum
Groove Location: adjacent to internal flange
Special Features: chamfer0.019 in by 30 deg on id qf flange end. one slot 0.063 in wide,0.070 in deep by 45 deg on face of flange end
Material: aluminum alloy 2011
Material Document And Classification: qq-a-225/3, t3 fed spec single material response
Surface Treatment: anodize
Surface Treatment Document And Classification: mil-a-8625,type 1,class 2,black mil spec single treatment response
Fsc Application Data: periscope,tank

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
7688772	Optical Element Retaining Ring

FAQs

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

What is the FSCG of the NSN 1240-00-768-8772?

The FSCG of the NSN 1240-00-768-8772 is 1240

Does the NSN 1240-00-768-8772 have a Schedule B code assigned?

Yes, the Schedule B code is 9803200000

Does NSN 1240-00-768-8772 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 1240-00-768-8772 contain precious materials?

Precious metal content is unknown

Does NSN 1240-00-768-8772 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 1240-00-768-8772 was assigned to the Federal Catalog?

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