National Stock Number
4820-01-103-1905
National Stock Number (NSN) 4820-01-103-1905, or NIIN 011031905, (valve,throttle) was assigned November 10, 1980 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 4820011145837.
There are no manufacturer part numbers associated to this NSN.
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 May 05, 2015, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) This part requires engineering source approval by the design control activity in order to maintain the quality of the part. An alternate source must qualify in accordance with the design control activity's procedures, as approved by the cognizant Government engineering activity. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 37647. [A VALVE DESIGNED WITH MULTIPLE OUTLETS OF VARIOUS SIZES THAT ARE REDUCED TO CONTROL THE RATE OF FLOW AND/OR INCREASED TO REDUCE PRESSURE. EXCLUDES:VALVE, REGULATING FLUID PRESSURE AND VALVE, CALIBRATED FLOW.]. The item is a non-aviation Critical Safety Item (CSI) whose failure will result in serious damage to equipment or serious injury or death to personnel. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4820011031905 does not contain precious metals.
This NSN is associated to Schedule B 8481809050: other taps, cocks, valves, etc., nesoi. The Schedule B End Use is listed as industrial machines, other. NAICS classification category 332911: industrial valve manufacturing.
This information was last updated on May 01, 2025.