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National Stock Number:
5855-01-420-4417
Federal Supply Class:
5855
National Item Identification Number:
014204417
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:
| A3186948-7 | 80063 | US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR |
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Techincal Specification:
| HOLE CHAMFER DIAMETER | 0.511 INCHES NOMINAL | | HOLE DIAMETER | 0.451 INCHES NOMINAL | | RECESS ANGLE IN DEG | 79.0 | | STYLE DESIGNATOR | RECESSED | | THREAD SIZE | 9/16-32 |
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