National Stock Number
5365-00-340-0278
National Stock Number (NSN) 5365-00-340-0278, or NIIN 003400278, (shim) 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. One of those 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, 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.
This NSN is unique to one weapons system.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on May 02, 2005, this NSN's acquisition method was noted as: Not established. Not established.
This NSN is assigned to Item Name Code (INC) 20349. [A THIN FLAT METAL OR PLASTIC ITEM OF VARIOUS PERIPHERAL SHAPES HAVING A SOLID OR LAMINATED CROSS-SECTION. IT IS DESIGNED TO MAINTAIN A PREDETERMINED DISTANCE BETWEEN TWO SURFACES. FOR ROUND ITEMS WITHOUT A HOLE AND HAVING A SOLID RECTANGULAR CROSS-SECTION USE DISK, SOLID, PLAIN. ITEMS WITH EITHER (1) A SOLID (NOT LAMINATED) CROSS-SECTION, OR (2) A NON-SEPARABLE LAMINATED CROSS-SECTION WITH ONE HOLE CENTRALLY LOCATED, MUST HAVE A THICKNESS LESS THAN 0.006 INCH (0.152 MM) FOR ITEMS LESS THAN 1/4 INCH (6.35 MM) OUTSIDE DIAMETER OR SHORTEST DISTANCE ACROSS PERIPHERAL FLATS, AND LESS THAN 0.016 INCH (0.406 MM) FOR ITEMS 1/4 INCH (6.35 MM) OR MORE OUTSIDE DIAMETER, OR SHORTEST DISTANCE ACROSS PERIPHERAL FLATS. FOR ITEMS WITH THICKNESS GREATER THAN THOSE INDICATED ABOVE, SEE SPACER, PLATE; WASHER, FLAT AND SPACER, RING. WHEN THICKNESS AND/OR OUTSIDE DIAMETER OR SHORTEST DISTANCE ACROSS PERIPHERAL FLATS IS DESIGNATED AS A TOLERANCE DIMENSION, THE MAXIMUM DIMENSION WILL BE USED TO DETERMINE COMPLIANCE. SEE ALSO SHIM STOCK, LAMINATED; SHIM STOCK ASSORTMENT, GASKET; AND BEARING, WASHER, THRUST.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5365003400278 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.