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048132

048132

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.

steel corrosion resisting material, 3.470 inches minimum and 3.477 inches maximum aperture diameter, uns screw thread series designator, 3.750 inches nominal outside diameter, 0.030 inches nominal internal flange thickness

NSN: 1240-01-068-2422
Federal Supply Group: Fire Control Equipment
Federal Supply Classification: 1240 -Optical Sighting and Ranging Equipment
Item Identification Number: 01-068-2422
Requires Demilitarization?: Yes
INC: 22585
Assigment Date: Sat, Nov 18, 1978
Schedule B Code: 9803200000
Aperture Diameter: 3.470 inches minimum and 3.477 inches maximum
Internal Flange Thickness: 0.030 inches nominal
Material: steel corrosion resisting
Outside Diameter: 3.750 inches nominal
Screw Thread Series Designator: uns
Thread Direction: right-hand
Thread Location: internal
Thread Pitch Diameters: +3.4820 to 3.4867 inches
Thread Size: 3 1/2-36

Related Parts

Part Number	Manufacturer
048132	L3 Technologies, Inc. Div L3 Keo
12266932	U S Army Tank Automotive Command Amsta-Im-Mm
957C048132	L3 Technologies, Inc. Div L3 Keo

Frequently Asked Questions

What is the FSCG of the NSN 1240-01-068-2422?: The FSCG of the NSN 1240-01-068-2422 is 1240

Does the NSN 1240-01-068-2422 have a Schedule B code assigned?: Yes, the Schedule B code is 9803200000

Does NSN 1240-01-068-2422 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 1240-01-068-2422 contain precious materials?: Item does not contain precious metal.

Does NSN 1240-01-068-2422 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.