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National Stock Number:
1240-00-382-0913
Federal Supply Class:
1240
National Item Identification Number:
003820913
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:
| 220573PC4 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER | | G8715PC4 | 74067 | KEUFFEL AND ESSER CO |
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Techincal Specification:
| GUIDE DESIGN | THREAD RELIEF | | GUIDE LOCATION | EDGE OPPOSITE DRIVE EDGE | | HOLE CHAMFER DIAMETER | 0.812 INCHES NOMINAL | | HOLE DIAMETER | 0.234 INCHES NOMINAL | | INTERNAL ANNULAR SERRATION | NOT PROVIDED | | OVERALL LENGTH | 0.625 INCHES NOMINAL | | MATERIAL | COPPER ALLOY | | RECESS DEPTH | 0.602 INCHES NOMINAL | | RECESS DIAMETER | 0.812 INCHES NOMINAL | | SETSCREW NOTCH | NOT PROVIDED | | STYLE DESIGNATOR | RECESSED | | THREAD SIZE | 1.000 IN.-32 |
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