3040-01-470-9180 WEIGHT,COUNTERBALANCE Index 5325-01-470-9182 RING,RETAINING

National Stock Number:
6650-01-470-9181

Federal Supply Class:
6650

National Item Identification Number:
014709181

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:
00482934228L3 TECHNOLOGIES, INC.


Techincal Specification:
PART NAME ASSIGNED BY CONTROLLING AGENCYRETAINER,PRISM


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