National Stock Number
2520-01-253-3548
National Stock Number (NSN) 2520-01-253-3548, or NIIN 012533548, (head,sediment strainer) was assigned April 17, 1987 in the Federal Logistics Information System (FLIS). NIIN 012533548 was cancelled on May 1, 2010, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. This NSN does not replace any other NSNs.
There are 2 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 2 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers 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 assigned to Item Name Code (INC) 22571. [A COMPONENT OF A SEDIMENT STRAINER DESIGNED TO CONTAIN THE INLET AND/OR OUTLET PORTS OF THE STRAINER. IT ACTS AS A COVER AND ATTACHES TO THE BOWL, SEDIMENT OR MOUNTS DIRECTLY TO AN INTEGRAL CAVITY IN AN ENGINE, MANIFOLD, CASING, OR THE LIKE. THE ITEM MAY INCLUDE RELIEF, CHECK, AND/OR BY-PASS VALVES, MEANS FOR SUPPORTING THE STRAINER ELEMENT, AND MEANS FOR MOUNTING THE STRAINER. THE ITEM DOES NOT INCLUDE A STRAINER ELEMENT. EXCLUDES:HEAD, FLUID FILTER.]. 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 2520012533548 does not contain precious metals.
This information was last updated on Aug 01, 2025.