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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:
| GUIDE DESIGN | THREAD CHAMFER | | GUIDE LOCATION | DRIVE EDGE | | HOLE CHAMFER ANGLE IN DEG | 45.0 | | HOLE CHAMFER DIAMETER | 1.760 INCHES NOMINAL | | HOLE DIAMETER | 1.575 INCHES NOMINAL | | INTERNAL ANNULAR SERRATION | NOT PROVIDED | | OVERALL LENGTH | 0.812 INCHES NOMINAL | | MATERIAL | ALUMINUM ALLOY | | RECESS DEPTH | 0.471 INCHES NOMINAL | | RECESS DIAMETER | 1.655 INCHES NOMINAL | | SETSCREW NOTCH | NOT PROVIDED | | STYLE DESIGNATOR | RECESSED | | THREAD SIZE | 1.875 IN.-32 |
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