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National Stock Number:
5855-01-393-8749
Federal Supply Class:
5855
National Item Identification Number:
013938749
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:
| 3002722-1 | 96214 | RAYTHEON COMPANY |
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Techincal Specification:
| DRIVE TYPE | SLOTTED | | DRIVE FACILITY ANGULAR SPACING IN DEG | 90.0 | | DEPTH | 0.160 INCHES NOMINAL | | GUIDE DESIGN | THREAD CHAMFER | | GUIDE LOCATION | DRIVE EDGE | | HOLE OR SLOT QUANTITY | 4 | | INTERNAL ANNULAR SERRATION | NOT PROVIDED | | MATERIAL | STEEL | | RADIUS FROM GEOMETRIC AXIS TO HOLE CENTER | 0.6875 INCHES NOMINAL | | SETSCREW NOTCH | PROVIDED | | SURFACE TREATMENT | PAINT AND PASSIVATE |
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