National Stock Number
6640-01-653-9575
National Stock Number (NSN) 6640-01-653-9575, or NIIN 016539575, (cover,microscope) was assigned April 12, 2016 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 3 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, one supplier is 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 a year. There have been 3 contracts issued for this part number, with 3 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 2 different suppliers. The last contract numbers awarded were: SPE2DH24P0892, SPE2DH20P2065, SPE2DH19P2621. The total value of the awarded contracts has been US$ 80.95.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Aug 08, 2019, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. This part is a commercial/non-developmental/off-the-shelf-item. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 38579. [AN ITEM USED WITH STEREO OBSERVATION, CAMERA AND VIDEO DRAPE EQUIPMENT DURING MICROSURGERY.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no information in the HMIRS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product. NSN 6640016539575 does not contain precious metals.
This NSN is associated to Schedule B 9011900000: parts and accessories for compound optical microscopes. The Schedule B End Use is listed as laboratory testing instruments. NAICS classification category 333314: optical instrument and lens manufacturing.
This information was last updated on Jun 01, 2025.