National Item Identification Number
01-039-2842
010392842
5855-01-039-2842
5855010392842
National Stock Number
Item Name
RING,RETAINING,OPTICAL ELEMENT
Federal Supply Class
5855
Description
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.
Commercial and Government Entity Code (Supplier Data)
80063
04YE2
20723
80063
Reference Numbers (Part Numbers)
SM-D-850427
SM-D-850427
SM-D-850427-1
SM-D-850427-1
SM-D-850427-1
Required Categories
MATERIAL
SURFACE TREATMENT
OVERALL LENGTH
OUTSIDE DIAMETER
INTERNAL FLANGE T
Required Description
ALUMINUM ALLOY, 6061
DULL BLACK
0.260 INCHES MINIMUM AND
0.280 INCHES MAXIMUM