National Stock Number
6540-01-077-5406
National Stock Number (NSN) 6540-01-077-5406, or NIIN 010775406, (occluder,eye) was assigned May 26, 1979 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. 2 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, only one supplier is deemed design controlled or valid supply parts.
This part number has been procured by the US Government within the last year, but shows no recent (last 90 days) procurement activity. There have been 24 contracts issued for this part number, with 24 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: SPE2DS25V1846, SPE2DS24V137X, SPE2DS23V9165, SPE2DS23V5465, SPE2DS23V1648. The total value of the awarded contracts has been US$ 1,213.28.
There has been a small amount of 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 Dec 02, 2006, 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) 46181. [AN ITEM WHICH COMPLETELY OR PARTIALLY BLOCKS THE VISION OF ONE EYE. IT IS USED FOR PERFORMING COMPLETE AND ACCURATE VISUAL ACUITY TESTING. IT MAY BE SINGLE OR DOUBLE ENDED. DOUBLE ENDED ITEMS MAY HAVE A MADDOX ROD, LENS, OR SIMILAR ITEM AT ONE END.]. 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 6540010775406 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.