NSN 4820-01-477-3654, 4820014773654
VALVE,CHECK

Federal Supply Classification: FSC 4820 - Valves, Nonpowered
National Item Identification Number: NIIN 014773654
Codification Country: United States
Item Name Code: INC 05487
Criticality: (X) This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Hazardous Material Indicator Code: (N) There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials.

Availability: Readily Available Qualified Suppliers: We have 7 qualified suppliers

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DLMS^® Summary

National Stock Number 4820-01-477-3654

National Stock Number (NSN) 4820-01-477-3654, or NIIN 014773654, (valve,check) was assigned August 7, 2000 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 3 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 is actively being procured by the US Government, with procurement history within the last 90 days. There have been 16 contracts issued for this part number, with 16 awards given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE7L125P6415, SPE7L425P1219, SPE7L324P5328, SPE7L324P5328, SPE7L424P0534. The total value of the awarded contracts has been US$ 152,495.02.

This NSN is unique to one weapons system.

There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. The 24 month forecast from the US Government for this part number has high volatility, with an estimated forecasted value of US$ 21,913. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Feb 10, 2020, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.

This NSN is assigned to Item Name Code (INC) 05487. [A VALVE PERMITTING FLOW IN ONE DIRECTION ONLY. IT DOES NOT HAVE A STEM, EXCEPT WHEN EQUIPPED WITH A LEVER AND WEIGHT AND HAS NO PRESSURE ADJUSTMENT. IT MAY BE INLINE OR CARTRIDGE (MANIFOLD) DESIGN.]. 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 4820014773654 does not contain precious metals.

This information was last updated on Jul 01, 2025.