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National Stock Number:
1240-00-389-3557
Federal Supply Class:
1240
National Item Identification Number:
003893557
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:
| 233057PC9 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER |
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Techincal Specification:
| DRIVE FACILITY ANGULAR SPACING IN DEG | 180.0180.0 | | DRIVE TYPE | SLOTTEDSLOTTED | | DEPTH | 0.050 INCHES NOMINAL0.050 INCHES NOMINAL | | FLANGE THREAD SIZE | 1.500 IN.-321.500 IN.-32 | | GUIDE DESIGN | THREAD CHAMFERTHREAD CHAMFER | | GUIDE LOCATION | BOTH EDGESBOTH EDGES | | HOLE OR SLOT QUANTITY | 22 | | OVERALL LENGTH | 0.250 INCHES NOMINAL0.250 INCHES NOMINAL | | MATERIAL | COPPER ALLOYCOPPER ALLOY | | SHOULDER DIAMETER | 1.450 INCHES NOMINAL1.450 INCHES NOMINAL | | SHOULDER LENGTH | 0.050 INCHES NOMINAL0.050 INCHES NOMINAL | | WIDTH | 0.060 INCHES NOMINAL0.060 INCHES NOMINAL | | STYLE DESIGNATOR | SHOULDEREDSHOULDERED | | TAPER ANGLE IN DEG | 2.62.6 | | TAPERED HOLE MINOR DIAMETER | 1.333 INCHES NOMINAL1.333 INCHES NOMINAL |
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