NSN 1240-00-115-4471

Part Details | OPTICAL ELEMENT RETAINING RING


1240-00-115-4471 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: 1240001154471, 8289272, 8289272, 8289272, 8289272, 1240-00-115-4471, 00-115-4471, 1240001154471, 001154471

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
12SEP 20, 196800-115-447122585 ( RING, RETAINING, OPTICAL ELEMENT )
REFERENCE DRAWINGS & PICTURES

Cross Reference | NSN 1240-00-115-4471
Part Number Cage Code Manufacturer
1240001154471A00AME.C.A ETABLISSEMENT CENTRALDESAPPROVISIONNEMENTS DES FORCES
828927211934SEILER INSTRUMENT AND MANUFACTURINGCOMPANY, INCORPORATED
828927260529STERLING MFG AND SUPPLY INC
828927219200US ARMY ARDEC RDECOM
828927204YE2VALCORE MANUFACTURING LLC

Technical Data | NSN 1240-00-115-4471
Characteristic Specifications
MATERIAL ALUMINUM ALLOY 2024 AND ALUMINUM ALLOY 6061
MATERIAL DOCUMENT AND CLASSIFICATIONWW-T-700 TO 3, ALLOY 2024, T3 FED SPEC 1ST MATERIAL RESPONSE AND WW-T-700 TO 6, ALLOY 6061, T6 FED SPEC 2ND MATERIAL RESPONSE
SURFACE TREATMENT ENAMEL
THREAD LOCATION INTERNAL
THREAD SIZE2.063-16
SCREW THREAD SERIES DESIGNATOR UNS
THREAD CLASS3A
THREAD PITCH DIAMETERS+2.0219 TO +2.0273 INCHES
THREAD LENGTH0.494 INCHES
THREAD DIRECTION RIGHT-HAND
OVERALL LENGTH1.082 INCHES NOMINAL
OUTSIDE DIAMETER2.359 INCHES MINIMUM AND 2.391 INCHES MAXIMUM
INTERNAL FLANGE THICKNESS0.092 INCHES NOMINAL
INNER GROOVE WIDTH0.176 INCHES MINIMUM AND 0.186 INCHES MAXIMUM
GROOVE DIAMETER2.078 INCHES NOMINAL
APERTURE DIAMETER1.718 INCHES MINIMUM AND 1.723 INCHES MAXIMUM
GROOVE LOCATION ADJACENT TO INTERNAL FLANGE
MOUNTING CONFIGURATIONLOCKSCREW COLLAR 1