NSN 5855-01-039-2842

Part Details | OPTICAL ELEMENT RETAINING RING

5855-01-039-2842 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: SMD850427, SM-D-850427, SMD850427, SM-D-850427, SMD8504271, SM-D-850427-1, SMD8504271, SM-D-850427-1, 5855-01-039-2842, 01-039-2842, 5855010392842, 010392842

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
58APR 17, 197701-039-284222585 ( RING, RETAINING, OPTICAL ELEMENT )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 5855-01-039-2842
Part Number Cage Code Manufacturer
SM-D-85042796906MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS
SM-D-85042780063US ARMY COMMUNICATIONS &ELECTRONICS MATERIEL READINESS
SM-D-850427-180063US ARMY COMMUNICATIONS &ELECTRONICS MATERIEL READINESS
SM-D-850427-120723VALCORE MANUFACTURING LLCDBA USE CAGE CODE 04YE2 FOR
Technical Data | NSN 5855-01-039-2842
Characteristic Specifications
MATERIAL ALUMINUM ALLOY 6061
OVERALL LENGTH0.260 INCHES MINIMUM AND 0.280 INCHES MAXIMUM
OUTSIDE DIAMETER3.260 INCHES MINIMUM AND 3.280 INCHES MAXIMUM
INTERNAL FLANGE THICKNESS0.104 INCHES NOMINAL
INNER GROOVE WIDTH0.540 INCHES MINIMUM AND 0.560 INCHES MAXIMUM
GROOVE DIAMETER1.460 INCHES MINIMUM AND 1.480 INCHES MAXIMUM
APERTURE DIAMETER2.562 INCHES MINIMUM AND 2.565 INCHES MAXIMUM
END ITEM IDENTIFICATION5855-00-906-0994 NIGHT VISION SIGHTUNIT AN/TVS-4