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National Stock Number:
1240-17-121-7954
Federal Supply Class:
1240
National Item Identification Number:
171217954
Description:
RETAINER,OPTICAL EL
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:
| 9153 519 84200 | H0203 | THALES NEDERLAND B.V. | | 915351984200 | H0203 | THALES NEDERLAND B.V. |
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