National Stock Number (NSN) 5340-01-355-6821, or NIIN 013556821, (cover,access) was assigned March 21, 1992 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 7 manufacturer part numbers associated with this NSN. 3 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 7 suppliers. Today, 7 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 3 suppliers are 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 Apr 09, 2019. There have been 4 contracts issued for this part number, with 8 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 2 different suppliers. The last contract numbers awarded were: SPE5EK19P1403, SPE7M118FAEVG, SPM7LX12D9006, SPM7LX12D9006, SPM7LX12D9006. The total value of the awarded contracts has been US$ 3,686.32.
This NSN is very common among different weapons systems, belonging to 27 different platforms.
There has been very little 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 Apr 26, 2008, 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) 29785. [A RIGID OR FLEXIBLE ITEM OF VARIOUS SHAPES ATTACHED TO A STRUCTURE FOR THE PURPOSE OF PROVIDING ACCESS FOR INSPECTION, SERVICE, REPLACEMENT OF COMPONENTS AND/OR ADJUSTMENTS OR MOUNTING OPERATIONS. IT IS DESIGNED TO BE ATTACHED BY MEANS OF BOLT HOLES, SLOTS, MOUNTING EARS, TABS, AND THE LIKE. TO PERMIT ACCESS, THE MOUNTED COVER REQUIRES PARTIAL OR COMPLETE REMOVAL. IT MAY INCLUDE AN OBSERVATION WINDOW. FOR ITEMS PERMANENTLY ATTACHED BY HINGES AND THE LIKE, SEE DOOR, ACCESS. EXCLUDES ALL COVERS NOT SPECIFICALLY DESIGNED TO PROVIDE ACCESS FOR THE PURPOSES LISTED ABOVE.]. 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 5340013556821 does not contain precious metals.
This information was last updated on Aug 01, 2025.