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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:
| STYLE DESIGNATOR | SHOULDERED | | SHOULDER DIAMETER | 3.175 INCHES NOMINAL | | SHOULDER LENGTH | 0.200 INCHES NOMINAL | | HOLE DIAMETER | 3.050 INCHES NOMINAL | | OVERALL LENGTH | 0.200 INCHES NOMINAL | | FLANGE DIAMETER | 3.175 INCHES NOMINAL | | FLANGE THREAD SIZE | 3.1756 IN.-48 | | MATERIAL | ALUMINUM ALLOY 6061 | | DRIVE TYPE | SLOTTED | | HOLE OR SLOT QUANTITY | 2 | | WIDTH | 0.062 INCHES NOMINAL | | DEPTH | 0.062 INCHES NOMINAL | | DRIVE FACILITY ANGULAR SPACING IN DEG | 180.0 | | INTERNAL ANNULAR SERRATION | NOT PROVIDED | | GUIDE DESIGN | THREAD CHAMFER | | SETSCREW NOTCH | PROVIDED | | SPECIAL FEATURES | VAPOR HONE; DULL MATTE FINISH | | FSC APPLICATION DATA | NIGHT VISION EQUIP. EMITTED AND RELECTED RADIATION |
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