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National Stock Number:
1240-00-130-9539
Federal Supply Class:
1240
National Item Identification Number:
001309539
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:
| 164106PC8 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER |
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Techincal Specification:
| DRIVE TYPE | SLOTTED | | DRIVE FACILITY ANGULAR SPACING IN DEG | 180.0 | | DEPTH | 0.040 INCHES NOMINAL | | GUIDE DESIGN | THREAD CHAMFER | | HOLE CHAMFER ANGLE IN DEG | 0.0 | | HOLE CHAMFER DIAMETER | 0.625 INCHES NOMINAL | | HOLE DIAMETER | 0.625 INCHES NOMINAL | | HOLE OR SLOT QUANTITY | 2 | | INTERNAL ANNULAR SERRATION | NOT PROVIDED | | OVERALL LENGTH | 0.180 INCHES NOMINAL | | MATERIAL | COPPER ALLOY | | RECESS ANGLE IN DEG | 45.0 | | RECESS DEPTH | 0.100 INCHES NOMINAL | | SETSCREW NOTCH | NOT PROVIDED | | WIDTH | 0.060 INCHES NOMINAL | | STYLE DESIGNATOR | RECESSED | | THREAD SIZE | 0.750 IN.-16 |
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