National Stock Number
4320-01-556-4976
National Stock Number (NSN) 4320-01-556-4976, or NIIN 015564976, (housing section,liquid pump) was assigned October 3, 2007 in the Federal Logistics Information System (FLIS). NIIN 015564976 was cancelled on September 2, 2008, with a cancelled status of "Item is Cancelled as Duplicate." This NSN was replaced by NSN 2910015085386. This NSN replaces 1 stock number, 4320015405351.
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 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) 53118. [A PARTIAL ENCLOSURE WHICH COVERS AND PROTECTS SELECTED INTERNAL COMPONENTS OF A PUMP, (AS MODIFIED). THIS ITEM MAY FUNCTION AS THE IMPELLER CASING, ROTOR HOUSING, PUMP END COVER, OR THE LIKE. IT MAY ALSO INCLUDE THE INTAKE AND/OR OUTLET PORT(S). FOR COMPLETE HOUSINGS, SEE HOUSING, LIQUID PUMP OR HOUSING, MOTOR-PUMP, HYDRAULIC. FOR OTHER PARTIAL ENCLOSURES, SEE COVER, HYDRAULIC PUMP-MOTOR AND HEAD, HYDRAULIC PUMP-MOTOR.]. 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 4320015564976 does not contain precious metals.
This information was last updated on May 01, 2025.