National Item Identification Number
00-829-4120
008294120
6650-00-829-4120
6650008294120
National Stock Number
Item Name
RETAINER,OPTICAL ELEMENT
Federal Supply Class
6650
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)
02033
ACMI CORPORATION
DBA ACMI
300 STILLWATER AVE
STAMFORD
CT
06902
203-328-8693
Reference Numbers (Part Numbers)
16041
Required Categories
STYLE DESIGNATOR
HOLE DIAMETER
OVERALL LENGTH
RECESS ANGLE IN DEG
RECESS DEP
Required Description
F3 RECESSED
4.245 INCHES MINIMUM AND
4.255 INCHES MAXIMUM
0.125 INCHES NOMINA