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National Stock Number:
6650-01-361-9336
Federal Supply Class:
6650
National Item Identification Number:
013619336
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:
| 717612426-002 | 04939 | LOCKHEED MARTIN CORPORATION |
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Techincal Specification:
| HOLE CHAMFER DIAMETER | 0.472 INCHES NOMINAL | | HOLE CHAMFER ANGLE IN DEG | 33.0 | | HOLE DIAMETER | 0.220 INCHES NOMINAL | | INTERNAL ANNULAR SERRATION | NOT PROVIDED | | OVERALL LENGTH | 0.150 INCHES NOMINAL | | MATERIAL | STEEL CORROSION RESISTING | | RECESS DEPTH | 0.110 INCHES NOMINAL | | RECESS DIAMETER | 0.400 INCHES NOMINAL | | SETSCREW NOTCH | NOT PROVIDED | | STYLE DESIGNATOR | RECESSED |
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