National Item Identification Number
00-066-4998
000664998
6650-00-066-4998
6650000664998
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)
8626399
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