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National Stock Number:
1240-00-382-0990
Federal Supply Class:
1240
National Item Identification Number:
003820990
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:
| 233057PC2 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER | | BP1200 | 27361 | BURKE PRODUCTS INC |
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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 | 2.750 IN.-322.750 IN.-32 | | GUIDE DESIGN | THREAD CHAMFERTHREAD CHAMFER | | GUIDE LOCATION | BOTH EDGESBOTH EDGES | | HOLE DIAMETER | 2.630 INCHES NOMINAL2.630 INCHES NOMINAL | | HOLE OR SLOT QUANTITY | 22 | | OVERALL LENGTH | 0.300 INCHES NOMINAL0.300 INCHES NOMINAL | | MATERIAL | COPPER ALLOYCOPPER ALLOY | | SHOULDER DIAMETER | 2.700 INCHES NOMINAL2.700 INCHES NOMINAL | | SHOULDER LENGTH | 0.050 INCHES NOMINAL0.050 INCHES NOMINAL | | WIDTH | 0.060 INCHES NOMINAL0.060 INCHES NOMINAL | | STYLE DESIGNATOR | SHOULDEREDSHOULDERED |
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