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National Stock Number:
6650-00-157-9286
Federal Supply Class:
6650
National Item Identification Number:
001579286
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:
| 481109PC1 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER | | 481109PC1 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 481109PC1 | 56232 | LOCKHEED MARTIN CORPORATION |
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Techincal Specification:
| STYLE DESIGNATOR | RECESSED | | HOLE DIAMETER | 1.575 INCHES NOMINAL | | OVERALL LENGTH | 0.812 INCHES NOMINAL | | RECESS DIAMETER | 1.655 INCHES NOMINAL | | RECESS DEPTH | 0.471 INCHES NOMINAL | | THREAD SIZE | 1.875 IN.-32 | | HOLE CHAMFER ANGLE IN DEG | 45.0 | | HOLE CHAMFER DIAMETER | 1.760 INCHES NOMINAL | | MATERIAL | ALUMINUM ALLOY | | INTERNAL ANNULAR SERRATION | NOT PROVIDED | | GUIDE DESIGN | THREAD CHAMFER | | GUIDE LOCATION | DRIVE EDGE | | SETSCREW NOTCH | NOT PROVIDED |
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