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National Stock Number:
1240-00-025-0252
Federal Supply Class:
1240
National Item Identification Number:
000250252
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:
| 511716PC7 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER |
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Techincal Specification:
| DRIVE FACILITY ANGULAR SPACING IN DEG | 120.0 | | DRIVE TYPE | SLOTTED | | FLANGE DIAMETER | 1.300 INCHES NOMINAL | | GUIDE DESIGN | THREAD CHAMFER | | GUIDE LOCATION | DRIVE EDGE | | HOLE DIAMETER | 1.145 INCHES NOMINAL | | HOLE OR SLOT QUANTITY | 3 | | INTERNAL ANNULAR SERRATION | NOT PROVIDED | | OVERALL LENGTH | 0.280 INCHES NOMINAL | | MATERIAL | COPPER ALLOY | | SETSCREW NOTCH | NOT PROVIDED | | SHOULDER DIAMETER | 1.220 INCHES NOMINAL | | SHOULDER LENGTH | 0.160 INCHES NOMINAL | | STYLE DESIGNATOR | SHOULDERED |
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