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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:
| STYLE DESIGNATOR | RECESSED | | HOLE DIAMETER | 1.040 INCHES NOMINAL | | OVERALL LENGTH | 0.186 INCHES NOMINAL | | RECESS ANGLE IN DEG | 60.0 | | RECESS DEPTH | 0.152 INCHES NOMINAL | | THREAD SIZE | 1.312 IN.-32 NS-2A | | MATERIAL | ALUMINUM ALLOY 2024 | | DRIVE TYPE | SLOTTED | | HOLE OR SLOT QUANTITY | 2 | | WIDTH | 0.094 INCHES NOMINAL | | DEPTH | 0.178 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 | | FSC APPLICATION DATA | ANTENNA-RECEIVER-TRANSMITTER GROUP,MISSILE TRACKING | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 18876 | | DESIGN CONTROL REFERENCE | 10121139 |
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