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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:
| STYLE DESIGNATOR | RECESSED | | OVERALL LENGTH | 0.250 INCHES NOMINAL | | RECESS DIAMETER | 3.433 INCHES NOMINAL | | THREAD SIZE | 3.562-32 | | MATERIAL | ALUMINUM ALLOY | | DRIVE TYPE | SLOTTED | | HOLE OR SLOT QUANTITY | 2 | | WIDTH | 0.072 INCHES NOMINAL | | DEPTH | 0.060 INCHES NOMINAL | | DRIVE FACILITY ANGULAR SPACING IN DEG | 180.0 | | RADIUS FROM GEOMETRIC AXIS TO HOLE CENTER | 1.749 INCHES NOMINAL | | INTERNAL ANNULAR SERRATION | NOT PROVIDED | | GUIDE DESIGN | THREAD CHAMFER | | GUIDE LOCATION | DRIVE EDGE | | SETSCREW NOTCH | NOT PROVIDED | | FSC APPLICATION DATA | NIGHT VISION EQUIP. |
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