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048133

048133

Optical Element Retaining Ring

A cylindrical item having an internally flanged diameter designed to retain a lens or window in the objective end, or a diopter scale at the viewing end of an optical instrument. It may have one or more of the following characteristics: internal thread or machined for a press fit, method of securing, and/or knurled periphery. For externally threaded items, see retainer, optical element. Excludes:cell, optical element; nut, plain knurled; nut, plain round; and ring, retaining.

0.145 inches nominal internal flange thickness, 3.840 inches minimum and 3.850 inches maximum aperture diameter, 4.875 inches nominal outside diameter, 8-32unc screws 6 mounting configuration, steel corrosion resisting material

NSN: 1240-01-069-0157
Federal Supply Group: Fire Control Equipment
Federal Supply Classification: 1240 -Optical Sighting and Ranging Equipment
Item Identification Number: 01-069-0157
Requires Demilitarization?: Yes
INC: 22585
Assigment Date: Thu, Dec 7, 1978
Schedule B Code: 9803200000
Aperture Diameter: 3.840 inches minimum and 3.850 inches maximum
Internal Flange Thickness: 0.145 inches nominal
Material: steel corrosion resisting
Mounting Configuration: 8-32unc screws 6
Outside Diameter: 4.875 inches nominal

Related Parts

Part Number	Manufacturer
048133	L3 Technologies, Inc. Div L3 Keo
12266933	U S Army Tank Automotive Command Amsta-Im-Mm
957D048133	L3 Technologies, Inc. Div L3 Keo

Frequently Asked Questions

What is the FSCG of the NSN 1240-01-069-0157?: The FSCG of the NSN 1240-01-069-0157 is 1240

Does the NSN 1240-01-069-0157 have a Schedule B code assigned?: Yes, the Schedule B code is 9803200000

Does NSN 1240-01-069-0157 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 1240-01-069-0157 contain precious materials?: Item does not contain precious metal.

Does NSN 1240-01-069-0157 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.