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National Stock Number:
6650-00-172-5983
Federal Supply Class:
6650
National Item Identification Number:
001725983
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:
| 178AS171 | 30003 | NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER |
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Techincal Specification:
| FSC APPLICATION DATA | SPECIALLY DESIGNED,ACFT ARMAMENT | | HOLE DIAMETER | 0.250 INCHES NOMINAL | | OVERALL LENGTH | 0.380 INCHES NOMINAL | | STYLE DESIGNATOR | RECESSED | | THREAD SIZE | 0.375 IN. -24 UNF 2A |
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