National Stock Number
4820-00-450-9248
National Stock Number (NSN) 4820-00-450-9248, or NIIN 004509248, (valve,linear,directional control) was assigned December 19, 1969 in the Federal Logistics Information System (FLIS). This NSN replaces 1 stock number, 4820009996568.
There are 5 manufacturer part numbers associated with this NSN. 3 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 5 suppliers. Today, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 3 suppliers are 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 Dec 10, 2014, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The data needed to produce this item from additional sources is not physically available. Valid AMCs: 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 61929. [A MANUALLY OR POWER OPERATED VALVE HAVING THREE OR MORE PORTS. THE DIRECTION OF THE FLOW THROUGH THE VARIOUS PORTS IS CONTROLLED BY EITHER ONE OR MORE RECIPROCATING SLIDE(S) OR SPOOL(S) WITH RECESS AREAS WHICH MATE WITH PORTS IN AN INTEGRAL OR REPLACEABLE PORTED SLEEVE, OR ONE OR MORE POPPET(S). IT IS DESIGNED TO CHANGE THE DIRECTION OF FLUID FLOW FROM ONE VALVE PORT TO ANOTHER. AN OFF (NO FLOW) POSITION IS NOT A FLOW PATTERN. THE VALVE IS DESIGNED TO ACTUATE VARIOUS COMPONENTS OF A FLUID SYSTEM. A POWER OPERATED VALVE MAY HAVE A MANUAL OVERRIDE. FOR ITEMS WHICH STOP, START, OR CHANGE THE FLOW OF FLUID, SEE: VALVE, SOLENOID. EXCLUDES VALVE, PLUG. SEE ALSO SERVOVALVE, HYDRAULIC; BODY SECTION, WORKING, LINEAR DIRECTIONAL CONTROL VALVE; AND VALVE ASSEMBLY.]. 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 4820004509248 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.