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National Stock Number:
5855-01-355-5521
Federal Supply Class:
5855
National Item Identification Number:
013555521
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:
| 803-6404752-201 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| FSC APPLICATION DATA | NIGHT VISION EQUIP. EMITTED AND REFLECTED RADIATION | | HOLE DIAMETER | 1.750 INCHES NOMINAL | | OVERALL LENGTH | 0.500 INCHES NOMINAL | | SHOULDER LENGTH | 0.120 INCHES NOMINAL | | SHOULDER DIAMETER | 2.190 INCHES NOMINAL | | STYLE DESIGNATOR | SHOULDERED |
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