National Item Identification Number
01-366-7323
013667323
6650-01-366-7323
6650013667323
National Stock Number
Item Name
RING,RETAINING,OPTICAL ELEMENT
Federal Supply Class
6650
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)
51215
THE BOEING COMPANY
DIV AIRCRAFT & MISSILE SYSTEM
BLDG. 598 HWY 94 NORTH HARPOON DRIV
SAINT CHARLES
MO
63301
800-226-3464
Reference Numbers (Part Numbers)
HS020919-003-00
Required Categories
MATERIAL
SURFACE TREATMENT
OUTSIDE DIAMETER
INTERNAL FLANGE THICKNESS
III EN
Required Description
ALUMINUM ALLOY, QQ-A-250/11, T6
ANODIZED, MIL-A-8625, TYPE 2, CLASS 2
2.250 IN