6110-01-412-4219 PANEL,POWER DISTRIBUTION Index 5930-01-412-4221 SWITCH,TOGGLE

National Stock Number:
5855-01-412-4220

Federal Supply Class:
5855

National Item Identification Number:
014124220

Description:
RETAINER,OPTICAL ELEMENT

Detail:
A cylindrical, externally threaded item having a centrally located hole specifically designed to retain by means of either a raised box (shoulder), or counterbore, countersink, or a similar shaped recess, an optical element such as a lens, reticle, cell, and the like, in optical assemblies. It must have drilled holes or slots to facilitate assembly and disassembly. For items which house the optical element(s), and form the internal or central portions of an optical system, see CELL, OPTICAL ELEMENT. Excludes RING, EXTERNALLY THREADED.


Manufacturer Information:
4006900-130881RAYTHEON COMPANY DBA RAYTHEON


Techincal Specification:
SPECIAL FEATURESUSED ON INFRARED NIGHT VISION EQUIPMENT


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