National Item Identification Number
00-066-4999
000664999
6650-00-066-4999
6650000664999
National Stock Number
Item Name
WINDOW,OPTICAL INSTRUMENT
Federal Supply Class
6650
Referenced on: http://firetrucksandequipment.tpub.com//TM-9-1240-375-34-P/0820360852.htm
Referenced on: http://firetrucksandequipment.tpub.com//TM-9-1240-375-34-P/0820360873.htmDescription
A color free item of transparent or translucent material, usually optical glass, having specific light dispersive and refractive properties. This item must have two plane-parallel surfaces and is designed for use in an optical instrument to provide a barrier to foreign matter and/or permit light transmission in or to the optical system.
Commercial and Government Entity Code (Supplier Data)
19200
Reference Numbers (Part Numbers)
8626400
Required Categories
MATERIAL
POLISHED SURFACE
POLISHED PERIPHERY
WIDTH
LENGTH
THICKNESS
BEVEL
Required Description
GLASS, DD-G-451
BOTH
NOT PROVIDED
0.530 INCHES MINIMUM AND
0.550 INCHES MAXI