National Stock Number
6650-01-114-8586
National Stock Number (NSN) 6650-01-114-8586, or NIIN 011148586, (iris diaphragm,optical instrumen) was assigned June 24, 1981 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There is only one manufacturer part number associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, there are no suppliers listed as an Active supplier for this NSN. Of the active suppliers, there are no suppliers that are deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years.
This NSN is assigned to Item Name Code (INC) 22592. [AN ADJUSTABLE ITEM OF THIN, OVERLAPPING OPAQUE PLATES WHICH ARE ACTUATED BY A RING OR OTHER DEVICE SO AS TO CHANGE THE DIAMETER OF A CENTRAL OPENING, FOR CONTROLLING THE INTENSITY OF TRANSMITTED ILLUMINATION. IT IS USUALLY EMPLOYED TO REGULATE THE APERTURE OF A LENS IN MICROSCOPES, AND OTHER OPTICAL INSTRUMENTS.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 6650011148586 does not contain precious metals.
This NSN is associated to Schedule B 9018500000: other ophthalmic instruments and appliances and parts and accessories. The Schedule B End Use is listed as medicinal equipment. NAICS classification category 339112: surgical and medical instrument manufacturing.
This information was last updated on Jul 01, 2025.