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National Stock Number:
5855-00-937-2173
Federal Supply Class:
5855
National Item Identification Number:
009372173
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:
| SCD607212 | 80063 | US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR |
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Techincal Specification:
| DEPTH | 0.060 INCHES NOMINAL | | DRIVE TYPE | SLOTTED | | DRIVE FACILITY ANGULAR SPACING IN DEG | 180.0 | | FSC APPLICATION DATA | ELECTRO-OPTIONAL SYSTEMS INC,STARLIGHT SCOPE,HAND-HELD OR INDIVIDUAL WEAPONS MOUNTED | | GUIDE DESIGN | THREAD CHAMFER | | GUIDE LOCATION | EDGE OPPOSITE DRIVE EDGE | | HOLE CHAMFER DIAMETER | 0.010 INCHES MINIMUM AND 0.030 INCHES MAXIMUM | | HOLE CHAMFER ANGLE IN DEG | 6.0 AND 45.0 | | HOLE DIAMETER | 3.067 INCHES MINIMUM AND 3.125 INCHES MAXIMUM | | HOLE OR SLOT QUANTITY | 2 | | INTERNAL ANNULAR SERRATION | NOT PROVIDED | | MATERIAL | ALUMINUM ALLOY 6061 | | RECESS DEPTH | 0.220 INCHES NOMINAL | | RECESS DIAMETER | 2.906 INCHES MAXIMUM | | OVERALL LENGTH | 0.281 INCHES NOMINAL | | SETSCREW NOTCH | NOT PROVIDED | | STYLE DESIGNATOR | RECESSED | | THREAD SIZE | 3.125 IN.-20 UNS-3A | | WIDTH | 0.060 INCHES NOMINAL |
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