National Stock Number
5977-01-193-9931
National Stock Number (NSN) 5977-01-193-9931, or NIIN 011939931, (contact-terminal,horn) was assigned November 9, 1984 in the Federal Logistics Information System (FLIS). This NSN does not replace any other NSNs.
There are 4 manufacturer part numbers associated with this NSN. 3 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. ISO Group has several sources of supply for this NSN.
This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Aug 12, 2019. There have been 59 contracts issued for this part number, with 125 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 3 different suppliers. The last contract numbers awarded were: SPE7L119P5091, SPE7M118F8N02, SPE7M118F6V07, SPE7M118F6K71, SPE7M118F6L29. The total value of the awarded contracts has been US$ 61,036.34.
This NSN is very common among different weapons systems, belonging to 33 different platforms.
There has been a small amount of demand for this national stock number. Globally, demand for this NSN has originated from 8 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Dec 21, 2013, 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 requires engineering source approval by the design control activity in order to maintain the quality of the part. An alternate source must qualify in accordance with the design control activity's procedures, as approved by the cognizant Government engineering activity. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 77777. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. Information is in the Hazardous Materials Information Resource System (HMIRS). NSN 5977011939931 does not contain precious metals.
This NSN is associated to Schedule B 8544420000: electrical conductors not exceeding 1000 v fitted with connectors. The Schedule B End Use is listed as electric apparatus. NAICS classification category 335929: other communication and energy wire manufacturing.
This information was last updated on Jul 01, 2025.