NSN 1240-01-317-3497

Part Details | OPTICAL ELEMENT RETAINING RING

1240-01-317-3497 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: 9376251, 1240-01-317-3497, 01-317-3497, 1240013173497, 013173497

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
12MAR 29, 199001-317-349722585 ( RING, RETAINING, OPTICAL ELEMENT )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 1240-01-317-3497
Part Number Cage Code Manufacturer
937625119200US ARMY ARDEC RDECOM
Technical Data | NSN 1240-01-317-3497
Characteristic Specifications
MATERIAL ALUMINUM ALLOY 6061
MATERIAL DOCUMENT AND CLASSIFICATIONWW-T-700 TO 6, ALLOY 6061, T6, TYPE 1 FED SPEC SINGLE MATERIAL RESPONSE
OUTSIDE DIAMETER3.000 INCHES NOMINAL
INTERNAL FLANGE THICKNESS0.050 INCHES NOMINAL
APERTURE DIAMETER2.817 INCHES NOMINAL
END ITEM IDENTIFICATION2350-01-087-1095 XM1 TANK