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National Stock Number:
1240-00-155-3343
Federal Supply Class:
1240
National Item Identification Number:
001553343
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:
| 323285-7 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER | | 3232857 | 30003 | NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER | | 323285PC7 | 08638 | ALLIANT TECHSYSTEMS INC ORDNANCE SYSTEMS DIV | | 323285PC7 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER |
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Techincal Specification:
| STYLE DESIGNATOR | RECESSED | | HOLE DIAMETER | 0.188 INCHES NOMINAL | | OVERALL LENGTH | 0.200 INCHES NOMINAL | | RECESS ANGLE IN DEG | 30.0 | | RECESS DEPTH | 0.150 INCHES NOMINAL | | THREAD SIZE | 0.438 IN.-20 | | HOLE CHAMFER ANGLE IN DEG | 0.0 | | HOLE CHAMFER DIAMETER | 0.188 INCHES NOMINAL | | MATERIAL | COPPER ALLOY | | DRIVE TYPE | SLOTTED | | HOLE OR SLOT QUANTITY | 2 | | WIDTH | 0.060 INCHES NOMINAL | | DEPTH | 0.050 INCHES NOMINAL | | DRIVE FACILITY ANGULAR SPACING IN DEG | 180.0 | | INTERNAL ANNULAR SERRATION | NOT PROVIDED | | GUIDE DESIGN | THREAD RELIEF | | GUIDE LOCATION | EDGE OPPOSITE DRIVE EDGE | | SETSCREW NOTCH | NOT PROVIDED |
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