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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:
| STYLE DESIGNATOR | SHOULDERED | | SHOULDER DIAMETER | 1.450 INCHES NOMINAL | | SHOULDER LENGTH | 0.050 INCHES NOMINAL | | TAPERED HOLE MINOR DIAMETER | 1.333 INCHES NOMINAL | | TAPER ANGLE IN DEG | 2.6 | | OVERALL LENGTH | 0.250 INCHES NOMINAL | | FLANGE THREAD SIZE | 1.500 IN.-32 | | MATERIAL | COPPER ALLOY | | DRIVE TYPE | SLOTTED | | HOLE OR SLOT QUANTITY | 2 | | WIDTH | 0.060 INCHES NOMINAL | | DEPTH | 0.050 INCHES NOMINAL | | DRIVE FACILITY ANGULAR SPACING IN DEG | 180.0 | | INTERNAL ANNULAR SERRATION | NOT PROVIDED | | GUIDE DESIGN | THREAD CHAMFER | | GUIDE LOCATION | BOTH EDGES | | SETSCREW NOTCH | NOT PROVIDED |
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