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National Stock Number:
6650-01-444-8023
Federal Supply Class:
6650
National Item Identification Number:
014448023
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:
| 10554962 | 11934 | SEILER INSTRUMENT AND MANUFACTURING COMPANY, INCORPORATED | | 10554962 | 19200 | US ARMY ARDEC RDECOM |
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Techincal Specification:
| COUNTERBORE TAPER ANGLE IN DEG | 30.0 | | DIAMETER | 3.625 INCHES NOMINAL | | GUIDE DESIGN | THREAD RELIEF | | HOLE CHAMFER ANGLE IN DEG | 90.0 | | HOLE CHAMFER DIAMETER | 3.230 INCHES NOMINAL | | HOLE DIAMETER | 3.230 INCHES NOMINAL | | HOLE OR SLOT QUANTITY | 2 | | INTERNAL ANNULAR SERRATION | NOT PROVIDED | | MATERIAL | ALUMINUM ALLOY | | RECESS DEPTH | 0.140 INCHES NOMINAL | | RECESS DIAMETER | 3.500 INCHES NOMINAL | | OVERALL LENGTH | 0.150 INCHES NOMINAL | | SETSCREW NOTCH | NOT PROVIDED | | STYLE DESIGNATOR | RECESSED |
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