NSN 6650-00-113-2971

Part Details | OPTICAL ELEMENT RETAINING RING

6650-00-113-2971 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: 10553236, 6650-00-113-2971, 00-113-2971, 6650001132971, 001132971

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
66SEP 06, 196800-113-297122585 ( RING, RETAINING, OPTICAL ELEMENT )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 6650-00-113-2971
Part Number Cage Code Manufacturer
1055323619200US ARMY ARDEC RDECOM
Technical Data | NSN 6650-00-113-2971
Characteristic Specifications
MATERIAL COPPER ALLOY
THREAD LOCATION INTERNAL
THREAD SIZE1.219 IN.-20
SCREW THREAD SERIES DESIGNATOR UNS
THREAD CLASS3B
THREAD LENGTH0.040 INCHES
THREAD DIRECTION RIGHT-HAND
OVERALL LENGTH0.425 INCHES NOMINAL
OUTSIDE DIAMETER1.396 INCHES NOMINAL
INTERNAL FLANGE THICKNESS0.050 INCHES NOMINAL
APERTURE DIAMETER0.866 INCHES NOMINAL
MOUNTING CONFIGURATIONPRESS FIT
FSC APPLICATION DATABINOCULAR M18 W/E