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National Stock Number:
6650-01-098-2910
Federal Supply Class:
6650
National Item Identification Number:
010982910
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:
| 608B008352 | 23992 | COLT INDUSTRIES INC TRENT TUBE DIV | | 608B008352 | 34228 | L3 TECHNOLOGIES, INC. |
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Techincal Specification:
| DRIVE FACILITY ANGULAR SPACING IN DEG | 180.0 | | DRIVE TYPE | SLOTTED | | COUNTERBORE TAPER ANGLE IN DEG | 45.0 | | DEPTH | 0.062 INCHES NOMINAL | | GUIDE DESIGN | THREAD CHAMFER | | GUIDE LOCATION | BOTH EDGES | | HOLE DIAMETER | 4.156 INCHES NOMINAL | | HOLE OR SLOT QUANTITY | 2 | | INTERNAL ANNULAR SERRATION | NOT PROVIDED | | OVERALL LENGTH | 0.187 INCHES NOMINAL | | MATERIAL | STEEL CORROSION RESISTING | | RECESS DEPTH | 0.090 INCHES MAXIMUM | | RECESS DIAMETER | 4.250 INCHES NOMINAL | | SETSCREW NOTCH | NOT PROVIDED | | WIDTH | 0.062 INCHES NOMINAL | | STYLE DESIGNATOR | RECESSED | | THREAD SIZE | 4.312 IN.-32 |
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