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National Stock Number:
6650-00-829-4120
Federal Supply Class:
6650
National Item Identification Number:
008294120
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:
| 16041 | 02033 | GYRUS ACMI L.P. DBA CIRCON-ACMI DIV |
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Techincal Specification:
| DEPTH | 0.031 INCHES NOMINAL | | DRIVE TYPE | SLOTTED | | DRIVE FACILITY ANGULAR SPACING IN DEG | 180.0 | | FSC APPLICATION DATA | ANTENNA-RECEIVER-TRANSMITTER GROUP,MISSILE TRACKING | | GUIDE DESIGN | THREAD CHAMFER | | GUIDE LOCATION | EDGE OPPOSITE DRIVE EDGE | | HOLE DIAMETER | 4.245 INCHES MINIMUM AND 4.255 INCHES MAXIMUM | | HOLE OR SLOT QUANTITY | 2 | | INTERNAL ANNULAR SERRATION | NOT PROVIDED | | MATERIAL | ALUMINUM | | RECESS ANGLE IN DEG | 15.0 | | RECESS DEPTH | 0.080 INCHES MINIMUM AND 0.090 INCHES MAXIMUM | | OVERALL LENGTH | 0.125 INCHES NOMINAL | | SETSCREW NOTCH | NOT PROVIDED | | STYLE DESIGNATOR | RECESSED | | THREAD SIZE | 4.500 IN.-32 NS-2A | | WIDTH | 0.063 INCHES NOMINAL |
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