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National Stock Number:
1240-00-336-4863
Federal Supply Class:
1240
National Item Identification Number:
003364863
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:
| 176680PC7 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER | | 176680PC7 | 4L762 | BAUSCH AND LOMB INC OPTICAL SYSTEMS DIV OPTICAL CENTER |
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Techincal Specification:
| DRIVE FACILITY ANGULAR SPACING IN DEG | 180.0 | | DRIVE TYPE | SLOTTED | | DEPTH | 0.062 INCHES NOMINAL | | FLANGE DIAMETER | 2.196 INCHES NOMINAL | | GUIDE DESIGN | THREAD RELIEF | | GUIDE LOCATION | EDGE OPPOSITE DRIVE EDGE | | HOLE OR SLOT QUANTITY | 2 | | HOLE DIAMETER | 1.812 INCHES NOMINAL | | INTERNAL ANNULAR SERRATION | NOT PROVIDED | | OVERALL LENGTH | 0.250 INCHES NOMINAL | | MATERIAL | STEEL | | SETSCREW NOTCH | NOT PROVIDED | | SHOULDER LENGTH | 0.172 INCHES NOMINAL | | SHOULDER THREAD SIZE | 1.993 IN.-36 | | STYLE DESIGNATOR | SHOULDERED | | WIDTH | 0.062 INCHES NOMINAL |
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