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National Stock Number:
1240-01-611-4861
Federal Supply Class:
1240
National Item Identification Number:
016114861
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.
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Manufacturer Information:
| 12278933 | 19200 | US ARMY ARDEC RDECOM |
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Techincal Specification:
| DIAMETER | 0.188 INCHES MINIMUM AND 0.198 INCHES MAXIMUM | | FLANGE DIAMETER | 2.060 INCHES NOMINAL | | HOLE DIAMETER | 0.256 INCHES MINIMUM AND 0.263 INCHES MAXIMUM | | HOLE OR SLOT QUANTITY | 3 | | OVERALL LENGTH | 0.170 INCHES NOMINAL | | MATERIAL | ALUMINUM | | PART NAME ASSIGNED BY CONTROLLING AGENCY | PLATE, MOUNTING | | SPECIAL FEATURES | THE FINISH IS BLACK DYE. |
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