DR20-5-4X/100Y/5

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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-423-6896

Item Name Code

27565

Assigment Date

01/05/1996 (30 years ago)

A manually or power operated valve having three or more ports. The direction of the flow through the various ports is controlled by either one or more reciprocating slide(s) or spool(s) with recess areas which mate with ports in an integral or replaceable ported sleeve, or one or more poppet(s). It is designed to change the direction of fluid flow from one valve port to another. An off (no flow) position is not a flow pattern. The valve is designed to actuate various components of a fluid system. A power operated valve may have a manual override. For items which stop, start, or change the flow of fluid, see: valve, solenoid. Excludes:valve, plug. See also servovalve, hydraulic; body section, working, linear directional control valve; and valve assembly.

2 end connection quantity, threaded internal pipe first end connection type, identical second end relationship with first end, straight thru body style, plain first end style designator

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Body Style: straight thru
First End Connection Type: threaded internal pipe
First End Style Designator: plain
Second End Relationship With First End: identical
End Connection Quantity: 2
Outlet Pressure Range: +145.0 to 1450.0 pounds per square inch
Regulation Type: 1st stage automatic, 2nd stage manual
Manual Control Method: screw
Valve Loading Method: spring
Maximum Inlet Pressure Rating: 1450.0 pounds per square inch
End Item Identification: avenger class mcm
Special Features: valve size 1 in.; 42 gpm; npt threaded housing; internally piloted, externally drained

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
BM S-570 ITEM 4	Fluid Pressure Regulating Valve
DR20-5-4X/100Y/5	Fluid Pressure Regulating Valve
R900519810	Fluid Pressure Regulating Valve
RR00519810	Fluid Pressure Regulating Valve

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 4820-01-423-6896?

The FSCG of the NSN 4820-01-423-6896 is 4820

Does the NSN 4820-01-423-6896 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809015

Does NSN 4820-01-423-6896 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 4820-01-423-6896 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-423-6896 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 4820-01-423-6896 was assigned to the Federal Catalog?

It was assigned 30 years ago, on Fri, Jan 5, 1996