National Item Identification Number
01-351-8909
013518909
5855-01-351-8909
5855013518909
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)
27361
27361
54490
DEPT OF THE ARMY
U S ARMY ELECTRONICS COMMAND
10221 BURBECK RD
FORT BELVOIR
VA
22060
703-704-1332
Reference Numbers (Part Numbers)
BP15621
5003387
5003387
Required Categories
STYLE DESIGNATOR
HOLE DIAMETER
OVERALL LENGTH
RECESS DIAMETER
RECESS DEPTH;
Required Description
F1 RECESSED
1.100 INCHES MINIMUM AND
1.101 INCHES MAXIMUM
1.125 INCHES NOMINA