National Item Identification Number
00-125-0632
001250632
5855-00-125-0632
5855001250632
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
Reference Numbers (Part Numbers)
SMB657308
Required Categories
MATERIAL
THREAD LOCATION
THREAD SIZE
SCREW THREAD SERIES DESIGNATOR
THREAD C
Required Description
ALUMINUM ALLOY
INTERNAL
1 3/4-32
UNS
2B
1.7340 TO 1.7380 INCHES
0.125 INCH