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National Stock Number:
1240-00-382-1478
Federal Supply Class:
1240
National Item Identification Number:
003821478
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:
| 415268PC9 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER |
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Techincal Specification:
| STYLE DESIGNATOR | RECESSED | | HOLE DIAMETER | 0.531 INCHES NOMINAL | | OVERALL LENGTH | 0.500 INCHES NOMINAL | | RECESS DIAMETER | 0.765 INCHES NOMINAL | | RECESS DEPTH | 0.438 INCHES NOMINAL | | THREAD SIZE | 0.890 IN.-36 | | HOLE CHAMFER ANGLE IN DEG | 0.0 | | HOLE CHAMFER DIAMETER | 0.531 INCHES NOMINAL | | MATERIAL | COPPER ALLOY | | DRIVE TYPE | SLOTTED | | HOLE OR SLOT QUANTITY | 2 | | WIDTH | 0.031 INCHES NOMINAL | | DEPTH | 0.031 INCHES NOMINAL | | DRIVE FACILITY ANGULAR SPACING IN DEG | 180.0 | | INTERNAL ANNULAR SERRATION | NOT PROVIDED | | GUIDE DESIGN | THREAD RELIEF | | GUIDE LOCATION | EDGE OPPOSITE DRIVE EDGE | | SETSCREW NOTCH | NOT PROVIDED |
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