NSN 1240-01-269-2708

Part Details | OPTICAL ELEMENT RETAINING RING

1240-01-269-2708 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: 3183209, 1240-01-269-2708, 01-269-2708, 1240012692708, 012692708

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
12DEC 13, 198701-269-270822585 ( RING, RETAINING, OPTICAL ELEMENT )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 1240-01-269-2708
Part Number Cage Code Manufacturer
318320910001NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT
Technical Data | NSN 1240-01-269-2708
Characteristic Specifications
MATERIAL COPPER ALLOY
THREAD LOCATION EXTERNAL
THREAD SIZE1.063-32
SCREW THREAD SERIES DESIGNATOR UNS
THREAD CLASS3A
THREAD PITCH DIAMETERS+1.0085 TO +1.0242 INCHES
THREAD LENGTH0.142 INCHES
THREAD DIRECTION RIGHT-HAND
OUTSIDE DIAMETER1.063 INCHES NOMINAL
INTERNAL FLANGE THICKNESS0.045 INCHES NOMINAL
APERTURE DIAMETER0.975 INCHES NOMINAL