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National Stock Number:
6650-00-086-9929
Federal Supply Class:
6650
National Item Identification Number:
000869929
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:
| 547A002779 | 03956 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | 547A002779 | 34228 | L3 TECHNOLOGIES, INC. | | 547A002779 | 4N133 | CHATHAM PRECISION INC | | A547-337 | 34228 | L3 TECHNOLOGIES, INC. | | A547-337 | 4N133 | CHATHAM PRECISION INC |
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