National Stock Number
5340-01-453-8978
National Stock Number (NSN) 5340-01-453-8978, or NIIN 014538978, (stop,mechanical) was assigned March 13, 1998 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 22 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 3 suppliers. Today, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, there are no suppliers that are 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 Feb 22, 2003, 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) 40270. [AN ITEM DESIGNED TO RESTRICT THE MOVEMENT OF A ROTARY MECHANISM, LINEAR MECHANISM OR ITS COMPONENTS. IT PROTECTS A MECHANISM FROM LOSS OF ADJUSTMENT OR DAMAGE DUE TO EXTREME MOVEMENT. IT MAY BE WEDGE SHAPED WITH A THREADED SHANK PROJECTING FROM THE APEX OR IT MAY BE ROUND OR RECTANGULAR IN CROSS SECTION, WITH MOUNTING HOLES OR SLOTS, AND IS USUALLY LONGER THAN ITS WIDTH. EXCLUDES KEY, MACHINE, AND BUMPER (AS MODIFIED).]. The item is a non-aviation Critical Safety Item (CSI) whose failure will result in serious damage to equipment or serious injury or death to personnel. 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 5340014538978 does not contain precious metals.
This NSN is associated to Schedule B 8803300060: other parts of airplanes or helicopters for use in military aircraft (excludes propellers, rotors, undercarriages, and parts thereof). The Schedule B End Use is listed as parts for military-type goods. NAICS classification category 336413: other aircraft parts and auxiliary equipment manufacturing.
This information was last updated on Aug 01, 2025.