NSN 1240-01-268-4714

Part Details | OPTICAL ELEMENT RETAINING RING

1240-01-268-4714 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: 3183247, 1240-01-268-4714, 01-268-4714, 1240012684714, 012684714

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
12DEC 01, 198701-268-471422585 ( RING, RETAINING, OPTICAL ELEMENT )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 1240-01-268-4714
Part Number Cage Code Manufacturer
318324710001NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT
Technical Data | NSN 1240-01-268-4714
Characteristic Specifications
MATERIAL COPPER ALLOY
THREAD LOCATION INTERNAL
THREAD SIZE0.906-32
SCREW THREAD SERIES DESIGNATOR UNS
THREAD CLASS3B
THREAD PITCH DIAMETERS+0.8724 TO +0.9062 INCHES
THREAD LENGTH0.400 INCHES
THREAD DIRECTION RIGHT-HAND
OUTSIDE DIAMETER1.125 INCHES NOMINAL
INTERNAL FLANGE THICKNESS0.020 INCHES NOMINAL
APERTURE DIAMETER0.906 INCHES NOMINAL