National Stock Number
1650-00-401-2558
National Stock Number (NSN) 1650-00-401-2558, or NIIN 004012558, (servovalve,hydraulic) was assigned November 19, 1969 in the Federal Logistics Information System (FLIS). NIIN 004012558 was cancelled on December 15, 2017, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. This NSN replaces 1 stock number, 1650004560429.
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 2 suppliers. 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.
This NSN is assigned to Item Name Code (INC) 61748. [AN ITEM WHICH CONTROLS BOTH THE DIRECTION AND THE RATE OF FLOW OF FLUID IN DIRECT RESPONSE TO A PRIMARY CONTROL OF COMPARATIVELY LOW LEVEL FORCE. IT IS USED FOR POSITIONING A LINEAR ACTUATING CYLINDER ASSEMBLY, AND FOR CONTROLLING THE RATE OF TRAVEL OF THE PISTON. THE PRIMARY CONTROL FORCE MAY BE MECHANICAL, HYDRAULIC, AND/OR ELECTRICAL.]. 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 1650004012558 does not contain precious metals.
This information was last updated on Aug 01, 2025.