National Stock Number
5340-01-557-5958
National Stock Number (NSN) 5340-01-557-5958, or NIIN 015575958, (plate,retaining,seal) was assigned October 25, 2007 in the Federal Logistics Information System (FLIS). NIIN 015575958 was cancelled on July 2, 2011, with a cancelled status of "Item is Cancelled as Duplicate." This NSN was replaced by NSN 2540015498772. 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.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries.
This NSN is assigned to Item Name Code (INC) 36133. [A GENERALLY FLAT ITEM VARIED IN SHAPE WITH OR WITHOUT A CENTRALLY LOCATED HOLE, DESIGNED TO HOLD SEALS IN PLACE. IT MUST HAVE DRILLED AND/OR TAPPED HOLES FOR MOUNTING PURPOSES. EXCLUDES COVER, ACCESS, SHIM AND SPACER, PLATE. SEE ALSO FLANGE (AS MODIFIED).]. 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 5340015575958 does not contain precious metals.
This information was last updated on Jul 01, 2025.