National Stock Number
6540-00-388-3700
National Stock Number (NSN) 6540-00-388-3700, or NIIN 003883700, (vision test apparatus,color thre) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NSN does not replace any other NSNs.
There are no manufacturer part numbers associated to this NSN.
This part number has not been procured by the US Government in over 5 years.
This NSN is assigned to Item Name Code (INC) 13841. 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 6540003883700 does not contain precious metals.
This information was last updated on Aug 01, 2025.