National Stock Number
4810-01-443-4188
National Stock Number (NSN) 4810-01-443-4188, or NIIN 014434188, (servovalve,hydraulic) was assigned April 10, 1997 in the Federal Logistics Information System (FLIS). 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.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Oct 06, 2020, this NSN's acquisition method was noted as: Acquire only from the prime contractor although the engineering data identifies the Commercial and Government Entity Code (CAGE) and part number of a source other than the prime contractor. The design of this part is unstable. Engineering, manufacturing, or performance characteristics indicate that the required design objectives have not been achieved. Major changes are contemplated because the part has a low process yield or has demonstrated marginal performance during tests or service use. These changes will render the present part obsolete and unusable in its present configuration. Limited acquisition from the present source is anticipated pending configuration changes. Valid AMCs: 1, 2, 3, 4 and 5.
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 is a Flight Safety Critical Aircraft Part (FSCAP). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4810014434188 does not contain precious metals.
This information was last updated on Jun 01, 2025.