NSN 1240-01-071-4954

Part Details | OPTICAL ELEMENT RETAINING RING

1240-01-071-4954 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: 048093, 957B048093, 12266893, 1240-01-071-4954, 01-071-4954, 1240010714954, 010714954

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
12FEB 08, 197901-071-495422585 ( RING, RETAINING, OPTICAL ELEMENT )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 1240-01-071-4954
Part Number Cage Code Manufacturer
04809334228L3 TECHNOLOGIES, INC.DBA L3 KEO
957B04809334228L3 TECHNOLOGIES, INC.DBA L3 KEO
1226689319207U S ARMY TANK AUTOMOTIVE COMMANDAMSTA-IM-MM
Technical Data | NSN 1240-01-071-4954
Characteristic Specifications
MATERIAL1$DAL2011$DAL2024
MATERIAL DOCUMENT AND CLASSIFICATIONAQQ-A-200 TO 8, 6061, T6$AQQ-A-225 TO 3, ALLOY 2011, T3$AQQ-A-225 TO 6, ALLOY 2024, T4$AWW-T-700 TO 6, ALLOY 6061, T6 1ST MATERIAL RESPONSE
SURFACE TREATMENT ANODIZE
THREAD LOCATION INTERNAL
THREAD SIZE1 1/2-32
SCREW THREAD SERIES DESIGNATOR UNS
THREAD CLASS2B
THREAD PITCH DIAMETERS+1.4660 TO +1.4730 INCHES
THREAD LENGTH0.470 INCHES
THREAD DIRECTION RIGHT-HAND
OVERALL LENGTH0.500 INCHES NOMINAL
OUTSIDE DIAMETER1.845 INCHES MINIMUM AND 1.905 INCHES MAXIMUM
INTERNAL FLANGE THICKNESS0.017 INCHES NOMINAL
APERTURE DIAMETER1.466 INCHES MINIMUM AND 1.473 INCHES MAXIMUM