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National Stock Number:
1240-01-251-0683
Federal Supply Class:
1240
National Item Identification Number:
012510683
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:
| 9360369 | 19200 | US ARMY ARDEC RDECOM |
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Techincal Specification:
| HOLE DIAMETER | 0.050 INCHES NOMINAL | | INTERNAL ANNULAR SERRATION | NOT PROVIDED | | MATERIAL DOCUMENT AND CLASSIFICATION | WW-T-700/3, ALLOY 2024, T3 FED SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | ALUMINUM ALLOY 2024 | | OVERALL LENGTH | 0.160 INCHES NOMINAL | | RECESS DEPTH | 0.110 INCHES NOMINAL | | SETSCREW NOTCH | NOT PROVIDED | | THREAD SIZE | 1.187 IN.-32 |
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