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National Stock Number:
5855-01-061-6890
Federal Supply Class:
5855
National Item Identification Number:
010616890
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-806418 | 80063 | US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR |
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Techincal Specification:
| DEPTH | 0.060 INCHES NOMINAL | | DRIVE FACILITY ANGULAR SPACING IN DEG | 180.0 | | DRIVE TYPE | SLOTTED | | FSC APPLICATION DATA | NIGHT VISION EQUIP. | | GUIDE DESIGN | THREAD CHAMFER | | GUIDE LOCATION | DRIVE EDGE | | HOLE DIAMETER | 2.002 INCHES NOMINAL | | HOLE OR SLOT QUANTITY | 2 | | INTERNAL ANNULAR SERRATION | NOT PROVIDED | | MATERIAL | ALUMINUM ALLOY | | OVERALL LENGTH | 0.190 INCHES NOMINAL | | RADIUS FROM GEOMETRIC AXIS TO HOLE CENTER | 1.07965 INCHES NOMINAL | | RECESS ANGLE IN DEG | 60.0 | | RECESS DEPTH | 0.160 INCHES NOMINAL | | SETSCREW NOTCH | NOT PROVIDED | | STYLE DESIGNATOR | RECESSED | | THREAD SIZE | 2.312-32 | | WIDTH | 0.072 INCHES NOMINAL |
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