National Stock Number
5340-00-012-7821
National Stock Number (NSN) 5340-00-012-7821, or NIIN 000127821, (standoff,threaded,spacing) was assigned May 10, 1968 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, with the most recent procurement date of Aug 19, 2020. There have been 5 contracts issued for this part number, with 5 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 4 different suppliers. The last contract numbers awarded were: SPE5EK20V5658, SPE5E115V3712, SPM5E213M3496, SPM5EK13M3358, SPM5EK12M3070. The total value of the awarded contracts has been US$ 3,131.00.
This NSN is somewhat common among different platforms, belonging to 5 different weapons systems.
There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Nov 13, 2011, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.
This NSN is assigned to Item Name Code (INC) 40280. [A STANDOFF THAT MUST HAVE A THREADED END(S) OR BE INTERNALLY THREADED ITS FULL LENGTH. FOR ITEMS HAVING EXTERNAL THREADS ON BOTH ENDS, SEE STUD (AS MODIFIED). FOR ITEMS WITH AN OUTSIDE CONTOUR THAT IS THE SAME FOR THE ENTIRE LENGTH, ARE FLAT ON TOP AND BOTTOM, HAVING INTERNAL THREADS ITS FULL LENGTH, AND THE LENGTH DOES NOT EXCEED TWICE THE WIDTH ACROSS THE FLATS OR OUTSIDE DIAMETER, SEE NUT (AS MODIFIED); USE MAXIMUM DIMENSIONS(S) FOR COMPLIANCE.]. 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 5340000127821 does not contain precious metals.
This information was last updated on Aug 01, 2025.