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- NSN 4820-01-437-8165
NSN 4820-01-437-8165
System Pressure Regulating ValvePricing & Availability Check
Submit this form for stock availability and pricing.Inventory
This product may be available in the following quantities and conditions.
- SV: 1
- NE: 1
Please note that inventory for this NSN was updated 01/07/2025 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,REGULATING,SYSTEM PRESSURE"
A value designed to automatically maintain within close limits a predetermined pressure within a closed system regardless of the higher fluctuating or constant inlet pressure. The excess pressure is by-passed to the accumulator or reservoir in lieu of passing through the entire system. It is designed primarily for use in refrigeration and air conditioning systems. Excludes valve, regulating, fluid pressure and valve, calibrated flow.
4820-01-437-8165 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.
Represents items with no adp components
The item is an aviation critical safety item/flight safety critical aircraft part (acsi/fscap).
Import and Export
Schedule B Codes Definitions:
Operating, For Controlling Variables Such As Temperature, Pressure, Flow and Liquid Level Regulator Valves, Self
Industrial Machines, Other
Taps, Cocks, Valves and Similar Appliances, N.e.s.
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)