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National Stock Number:
5855-01-067-8676
Federal Supply Class:
5855
National Item Identification Number:
010678676
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:
| SM-C-772193 | 80063 | US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR |
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Techincal Specification:
| FSC APPLICATION DATA | NIGHT VISION DEVICES,EMITTED AND REFLECTED RADIATION | | GUIDE DESIGN | THREAD CHAMFER | | HOLE CHAMFER ANGLE IN DEG | 45.0 | | HOLE CHAMFER DIAMETER | 0.575 INCHES NOMINAL | | HOLE DIAMETER | 0.475 INCHES NOMINAL | | INTERNAL ANNULAR SERRATION | NOT PROVIDED | | OVERALL LENGTH | 0.350 INCHES NOMINAL | | MATERIAL | PLASTIC | | RECESS DEPTH | 0.150 INCHES NOMINAL | | RECESS DIAMETER | 0.950 INCHES NOMINAL | | SETSCREW NOTCH | PROVIDED | | STYLE DESIGNATOR | RECESSED |
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