NSN 1240-01-498-4334

Part Details | OPTICAL ELEMENT RETAINING RING

1240-01-498-4334 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.

Alternate Parts: 5613066, 1240-01-498-4334, 01-498-4334, 1240014984334, 014984334

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
12JUN 26, 200201-498-433422585 ( RING, RETAINING, OPTICAL ELEMENT )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 1240-01-498-4334
Part Number Cage Code Manufacturer
561306653711NAVAL SEA SYSTEMS COMMAND
Technical Data | NSN 1240-01-498-4334
Characteristic Specifications
MATERIAL STEEL CORROSION RESISTING
DRIVE TYPE KNURL
OUTSIDE DIAMETER2.296 INCHES MINIMUM AND 2.302 INCHES MAXIMUM
INTERNAL FLANGE THICKNESS0.035 INCHES MINIMUM AND 0.043 INCHES MAXIMUM
SPECIAL FEATURESINSIDE DIA OF RING IS 1.001 AND HAS 12 THRU MOUNTING HOLES .070 DIA. EACH.
END ITEM IDENTIFICATIONNEXT ASSEMBLY: EYEGUARD HOUSING ASSY NSN 1240-01-497-6275; FC33 ADAPTER ASSY; W/S: PERISCOPE.
PART NAME ASSIGNED BY CONTROLLING AGENCYMID-EYEGUARD HOUSING COVER