National Item Identification Number
01-517-7325
015177325
5855-01-517-7325
5855015177325
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)
55311
LITTON SYSTEMS INC.
DBA ELECTRO-OPTICAL SYSTEMS DIVISION
1215 SOUTH 52ND STREET
TEMPE
AZ
85281
972-840-7631
Reference Numbers (Part Numbers)
207998-100
Required Categories
STYLE DESIGNATOR
MATERIAL
INTERNAL ANNULAR SERRATION
III END ITEM IDENTIFICAT
Required Description
F1 RECESSED
RUBBER
NOT PROVIDED
PVS-7A AND C TYPE OBJECTIVE LENS
RETAINING R