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National Stock Number:
5855-01-061-6889
Federal Supply Class:
5855
National Item Identification Number:
010616889
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-806423 | 80063 | US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR |
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Techincal Specification:
| DRIVE FACILITY ANGULAR SPACING IN DEG | 180.0 | | DRIVE TYPE | SLOTTED | | DEPTH | 0.060 INCHES NOMINAL | | FSC APPLICATION DATA | NIGHT VISION EQUIP. | | GUIDE DESIGN | THREAD CHAMFER | | GUIDE LOCATION | DRIVE EDGE | | HOLE OR SLOT QUANTITY | 2 | | INTERNAL ANNULAR SERRATION | NOT PROVIDED | | OVERALL LENGTH | 0.250 INCHES NOMINAL | | MATERIAL | ALUMINUM ALLOY | | RADIUS FROM GEOMETRIC AXIS TO HOLE CENTER | 1.749 INCHES NOMINAL | | RECESS DIAMETER | 3.433 INCHES NOMINAL | | SETSCREW NOTCH | NOT PROVIDED | | WIDTH | 0.072 INCHES NOMINAL | | STYLE DESIGNATOR | RECESSED | | THREAD SIZE | 3.562-32 |
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