National Item Identification Number
00-010-5231
000105231
5855-00-010-5231
5855000105231
National Stock Number
Item Name
RETAINER,OPTICAL ELEMENT
Federal Supply Class
5855
Description
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.
Commercial and Government Entity Code (Supplier Data)
20723
80063
04YE2
Reference Numbers (Part Numbers)
SC-D-599156
SC-D-599156
SC-D-5999156
Required Categories
STYLE DESIGNATOR
HOLE DIAMETER
OVERALL LENGTH
RECESS DIAMETER
RECESS DEPTH;
Required Description
F1 RECESSED
3.631 INCHES MINIMUM AND
3.633 INCHES MAXIMUM
2.325 INCHES NOMINA