8140-00-925-4538 PAD,CUSHIONING Index 3020-00-925-4541 GEAR,SPUR

National Stock Number:
6650-00-925-4540

Federal Supply Class:
6650

National Item Identification Number:
009254540

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:
1012127309205LOCKHEED MARTIN CORP ELECTRONICS AND MISSILES DIV
1012127318876U S ARMY AVIATION AND MISSILE COMMAND


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