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National Stock Number:
5855-00-010-5156
Federal Supply Class:
5855
National Item Identification Number:
000105156
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-D-599157 | 80063 | US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR |
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Techincal Specification:
| DRIVE FACILITY ANGULAR SPACING IN DEG | 60.0 | | DRIVE TYPE | DRILLED HOLE | | DEPTH | 0.080 INCHES NOMINAL | | FSC APPLICATION DATA | NIGHT VISION EQUIPMENT. | | GUIDE DESIGN | THREAD RELIEF | | HOLE CHAMFER ANGLE IN DEG | 30.0 | | HOLE CHAMFER DIAMETER | 1.829 INCHES MINIMUM AND 1.876 INCHES MAXIMUM | | HOLE DIAMETER | 2.010 INCHES MINIMUM AND 2.025 INCHES MAXIMUM | | HOLE OR SLOT QUANTITY | 6 | | INTERNAL ANNULAR SERRATION | NOT PROVIDED | | OVERALL LENGTH | 2.611 INCHES NOMINAL | | MATERIAL | ALUMINUM ALLOY | | RADIUS FROM GEOMETRIC AXIS TO HOLE CENTER | 1.645 INCHES NOMINAL | | RECESS DEPTH | 1.680 INCHES NOMINAL | | RECESS DIAMETER | 2.722 INCHES MINIMUM AND 2.724 INCHES MAXIMUM | | SETSCREW NOTCH | NOT PROVIDED | | SPECIAL TEST FEATURES | INTERPRET DRAWING IAW MIL-D-1000; PART IAW MIL-STD-130 | | WIDTH | 3.540 INCHES MINIMUM AND 3.555 INCHES MAXIMUM | | STYLE DESIGNATOR | RECESSED | | SUPPLEMENTARY FEATURES | MAKE FROM MATERIAL DESCRIBED ON DRAWING SC-D-599183 | | THREAD SIZE | 2.875 IN.-16 |
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