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National Stock Number:
1240-01-073-5910
Federal Supply Class:
1240
National Item Identification Number:
010735910
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:
| 11507566 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND | | 11507566 | 26772 | WEGO PRECISION MACHINE, INC. | | 11507566 | 82577 | RAYTHEON COMPANY |
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Techincal Specification:
| DRIVE TYPE | SLOTTED | | DRIVE FACILITY ANGULAR SPACING IN DEG | 90.0 | | DEPTH | 0.025 INCHES MINIMUM AND 0.035 INCHES MAXIMUM | | GUIDE DESIGN | THREAD RELIEF | | GUIDE LOCATION | EDGE OPPOSITE DRIVE EDGE | | HOLE DIAMETER | 0.270 INCHES MINIMUM AND 0.275 INCHES MAXIMUM | | HOLE CHAMFER DIAMETER | 0.270 INCHES MINIMUM AND 0.275 INCHES MAXIMUM | | HOLE CHAMFER ANGLE IN DEG | 0.0 | | HOLE OR SLOT QUANTITY | 4 | | INTERNAL ANNULAR SERRATION | NOT PROVIDED | | OVERALL LENGTH | 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM | | MATERIAL | STEEL CORROSION RESISTING | | RECESS DEPTH | 0.025 INCHES MINIMUM AND 0.035 INCHES MAXIMUM | | RECESS DIAMETER | 0.270 INCHES MINIMUM AND 0.275 INCHES MAXIMUM | | SETSCREW NOTCH | NOT PROVIDED | | WIDTH | 0.030 INCHES MINIMUM AND 0.040 INCHES MAXIMUM | | STYLE DESIGNATOR | RECESSED | | THREAD SIZE | 0.375 IN.-32 |
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