National Stock Number
4820-01-245-5437
National Stock Number (NSN) 4820-01-245-5437, or NIIN 012455437, (valve,globe) was assigned November 30, 1986 in the Federal Logistics Information System (FLIS). This NSN does not replace any other NSNs.
There are 4 manufacturer part numbers 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. ISO Group has several sources of supply for this NSN.
This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Oct 23, 2019. There has been one contract issued for this part number, with one award given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE7MC20V0842. The total value of the awarded contracts has been US$ 970.90.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Aug 02, 2004, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. 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) 05485. [A VALVE WITH ONE INLET AND ONE OUTLET CONNECTION WITH OUTLET FLOW PARALLEL TO INLET FLOW. THE FLOW IS CONTROLLED BY THE ACTION OF A STEM WHICH LIFTS THE DISK PERPENDICULARLY OFF THE CENTER AXIS OF ITS SEAT. THE STEM IS AT A 90 DEGREE (1.5708 RADIANS) ANGLE TO AXIS OF FLOW. EXCLUDES:VALVE, STOP-CHECK; COCK, SHUTOFF, SCREW STEM; AND VALVE, SOLENOID.]. 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 4820012455437 does not contain precious metals.
This information was last updated on Aug 01, 2025.