National Item Identification Number
01-045-5497
010455497
5855-01-045-5497
5855010455497
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)
05584
AUTODYNE MANUFACTURING CO INC
200 N STRONG AVE
LINDENHURST
NY
11757
631-957-5858
0RMF7
27777
LITTON SYSTEMS INC.
DBA ELECTRO-OPTICAL SYSTEMS
3414 HERRMANN DR.
GARLAND
TX
75041
972-840-7631
80063
Reference Numbers (Part Numbers)
A11083
SM-D-850133
SM-D-850133
SM-D-850133
Required Categories
MATERIAL
SURFACE TREATMENT
THREAD LOCATION
THREAD SIZE
SCREW THREAD SERIES D
Required Description
ALUMINUM ALLOY, 6061
PAINTED
EXTERNAL
5 1/2-32
UNS
2A
5.4735 TO 5.4783 INC