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- NSN 4820-01-449-2993
NSN 4820-01-449-2993
Stop-check ValvePricing & Availability Check
Submit this form for stock availability and pricing.Inventory
This product may be available in the following quantities and conditions.
- NS: 1
- AR: 1
- SV: 1
Please note that inventory for this NSN was updated 04/11/2025 and may have changed since then. Request a quote for up to date pricing and availability.
Product Definition Definition of approved item name (AIN): "VALVE,STOP-CHECK"
A valve with a bolt or stem that may be mechanically actuated to two different positions by rotary or linear motion. In the first position, the valve disk is located and locked against the seat permitting no fluid flow through the valve. In the second position, one side of the valve disk is located against the seat permitting movement of the disk in a manner that will allow a flow of fluid in one direction through the valve. The valve disk may be spring loaded. It may be inline or cartridge (manifold) design. See also valve (1), lift-check and valve (1), stop-lift-check.
4820-01-449-2993 Spec. NSN part characteristics
Cross Reference Parts Part numbers that meet the specification outlined on this page and set by the OEM
Identification Item Identification Guide (IIG) and Item Name Code (INC)
Special material and handling
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
Item does not contain precious metal.
The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
National motor freight and handling
Freight Codes Definitions:
No special type of cargo code applicable.
Pumps and parts, (machinery and parts),(less than 35 feet).
Trailers, vehicles, machinery, shop and warehouse equipment and supplies including special tools and equipment, ground servicing.
Shipment is not a consolidation and does not exceed 84 inches in any dimension.
Other or no special handling required (sh)