National Stock Number
5999-00-510-6421
National Stock Number (NSN) 5999-00-510-6421, or NIIN 005106421, (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 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 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 Apr 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. The annual buy value of this part falls below the screening threshold of $10,000 but it has been screened for known source(s). (NOTE: This code shall not be used when screening parts entering the inventory. It shall not be assigned in preference to or supersede any other AMSC.) Valid AMCs: 1, 2, 3, 4 and 5.
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 5999005106421 does not contain precious metals.
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.