3110-00-937-6418 BALL,SPACER Index 5340-00-937-6421 BRACKET,DOUBLE ANGLE

National Stock Number:
5855-00-937-6419

Federal Supply Class:
5855

National Item Identification Number:
009376419

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:
13212E027719605INSCOM ELECTRONICS CORPORATION
13212E027797403CECOM LR CENTER


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