National Stock Number
5810-01-587-7539
National Stock Number (NSN) 5810-01-587-7539, or NIIN 015877539, (communications security module) was assigned August 19, 2010 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, 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 not been procured by the US Government in over 5 years.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Aug 20, 2010, this NSN's acquisition method was noted as: Not established. Not established.
This NSN is assigned to Item Name Code (INC) 40928. [A REMOVABLE COMPONENT WHICH PERFORMS MULTILEVEL ENCRYPTION/DECRYPTION FUNCTIONS FOR TELECOMMUNICATIONS EQUIPMENT.]. 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 5810015877539 does not contain precious metals.
This NSN is associated to Schedule B 9030400000: other instruments and apparatus, specially designed for telecommunications (for examle, cross-talk meters, gain measuring instruments etc). The Schedule B End Use is listed as telecommunications equipment. NAICS classification category 334515: instrument manufacturing for measuring and testing electricity and electrical signals.
This information was last updated on Jul 01, 2025.