National Item Identification Number
01-331-9868
013319868
4931-01-331-9868
4931013319868
National Stock Number
Item Name
COLLIMATOR,TELESCOPE
Federal Supply Class
4931
Description
A small, tubular item utilizing an eyepiece, cross hair reticle, and an objective lens, to align the optical axis to the mechanical axis of a telescopic instrument. It does not have the viewing power of a telescope. It may have two like items secured in a common holder for simultaneous checking of a dual optical system.
Commercial and Government Entity Code (Supplier Data)
91141
Reference Numbers (Part Numbers)
D-652-101
Required Categories
GENERAL CHARACTERISTICS ITEM DESCRIPTION
III END ITEM IDENTIFICATION
THE MANUF
Required Description
5IN. APERTURE COMBINES IN AN 18IN. INSTRUMENT A 26 3/8IN. OPTICAL SYSTEM;THE SHO