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National Stock Number:
5855-00-087-7833
Federal Supply Class:
5855
National Item Identification Number:
000877833
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:
| SC-C-614589 | 80063 | US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR |
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Techincal Specification:
| DRIVE TYPE | SLOTTED | | DRIVE FACILITY ANGULAR SPACING IN DEG | 180.0 | | DEPTH | 0.062 INCHES NOMINAL | | FLANGE DIAMETER | 3.175 INCHES NOMINAL | | FLANGE THREAD SIZE | 3.1756 IN.-48 | | FSC APPLICATION DATA | NIGHT VISION EQUIP. EMITTED AND RELECTED RADIATION | | GUIDE DESIGN | THREAD CHAMFER | | HOLE DIAMETER | 3.050 INCHES NOMINAL | | HOLE OR SLOT QUANTITY | 2 | | INTERNAL ANNULAR SERRATION | NOT PROVIDED | | OVERALL LENGTH | 0.200 INCHES NOMINAL | | MATERIAL | ALUMINUM ALLOY 6061 | | SETSCREW NOTCH | PROVIDED | | SHOULDER LENGTH | 0.200 INCHES NOMINAL | | SHOULDER DIAMETER | 3.175 INCHES NOMINAL | | SPECIAL FEATURES | VAPOR HONE; DULL MATTE FINISH | | WIDTH | 0.062 INCHES NOMINAL | | STYLE DESIGNATOR | SHOULDERED |
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