National Stock Number
5999-00-556-4581
National Stock Number (NSN) 5999-00-556-4581, or NIIN 005564581, (contact,electrical) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 2 manufacturer part numbers 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.
This NSN is somewhat common among different platforms, belonging to 2 different weapons systems.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 02, 2006, this NSN's acquisition method was noted as: Not established. Not established.
This NSN is assigned to Item Name Code (INC) 00443. [AN ITEM CONSISTING OF AN ELECTRICALLY CONDUCTIVE MATERIAL DESIGNED TO FURNISH A SURFACE WHICH WILL PHYSICALLY AND ELECTRICALLY MEET ANOTHER CONDUCTING SURFACE FOR THE PURPOSE OF TRANSFERRING ELECTRICAL ENERGY AND/OR OPENING AND CLOSING CIRCUITS. INCLUDES MOVING CONTACTS WHICH MAKE AND/OR SLIDE OVER STATIONARY CONTACTS OR OTHER STATIONARY CONDUCTIVE MATERIAL TO A RESULTING FIXED POSITION. EXCLUDES:ITEMS WHICH ARE USED IN CONJUNCTION WITH CONTINUALLY MOVING SURFACES OR WHICH MAKE CONTACT BY GRIPPING ACTION OF THE CONTACT SURFACES. SEE ALSO CLIP, ELECTRICAL; CLAMP, ELECTRICAL; BRUSH, ELECTRICAL CONTACT; PLUG, TIP; AND JACK, TIP.]. 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 5999005564581 contains an unknown precious metal.
This NSN is associated to Schedule B 8538907040: electrical metal contacts for heading 8535, 8536 & 8537. The Schedule B End Use is listed as electric apparatus. NAICS classification category 334417: electronic connector manufacturing.
This information was last updated on Aug 01, 2025.