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National Stock Number:
6650-00-925-6928
Federal Supply Class:
6650
National Item Identification Number:
009256928
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:
| 10121139 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND |
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Techincal Specification:
| DRIVE TYPE | SLOTTED | | DRIVE FACILITY ANGULAR SPACING IN DEG | 180.0 | | DEPTH | 0.178 INCHES NOMINAL | | FSC APPLICATION DATA | ANTENNA-RECEIVER-TRANSMITTER GROUP,MISSILE TRACKING | | GUIDE DESIGN | THREAD CHAMFER | | GUIDE LOCATION | BOTH EDGES | | HOLE DIAMETER | 1.040 INCHES NOMINAL | | HOLE OR SLOT QUANTITY | 2 | | INTERNAL ANNULAR SERRATION | NOT PROVIDED | | MATERIAL | ALUMINUM ALLOY 2024 | | OVERALL LENGTH | 0.186 INCHES NOMINAL | | RECESS ANGLE IN DEG | 60.0 | | RECESS DEPTH | 0.152 INCHES NOMINAL | | SETSCREW NOTCH | NOT PROVIDED | | STYLE DESIGNATOR | RECESSED | | THREAD SIZE | 1.312 IN.-32 NS-2A | | WIDTH | 0.094 INCHES NOMINAL |
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