National Item Identification Number
01-431-5253
014315253
5855-01-431-5253
5855014315253
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)
0MTR9
NORDEX INCORPORATED
426 FEDERAL RD
BROOKFIELD
CT
06804
203-775-4877
Reference Numbers (Part Numbers)
BSC-A6-1
BSC-A6-1
Required Categories
MATERIAL
SURFACE TREATMENT
OVERALL LENGTH
OUTSIDE DIAMETER
INTERNAL FLANGE T
Required Description
STEEL, STAINLESS
PASSIVATED
0.031 INCHES NOMINAL
0.250 INCHES NOMINAL
0.063