AHR420A

View detailed technical data, stock status, and sourcing information for: AHR420A
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-247-3900

Item Name Code

27565

Assigment Date

01/06/1987 (39 years ago)

air media for which designed, straight thru body style, plain first end style designator, 0.500 inches first end nominal pipe size accommodated, unthreaded internal pipe first end connection type

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
Media For Which Designed: air
First End Connection Type: unthreaded internal pipe
First End Style Designator: plain
First End Nominal Pipe Size Accommodated: 0.500 inches
First End Thread Size And Series/Type Designator: unable to decode
First End Thread Direction: right-hand
Second End Relationship With First End: identical
Flow Control Device: disk
End Connection Quantity: 2
Mounting Facility: panel
Outlet Pressure Range: +5.0 to 150.0 pounds per square inch
Regulation Type: manual single stage
Manual Control Method: knob
Valve Loading Method: spring
Maximum Inlet Pressure Rating: 250.0 pounds per square inch
Filter: included
Temp Rating: 175.0 fahrenheit nominal
Special Features: incl gage
Material: unable to decode

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
AHR420A	Fluid Pressure Regulating Valve
B12-497-M3LA	Fluid Pressure Regulating Valve
B74G-4AK-QD3-RMG	Fluid Pressure Regulating Valve

FAQs

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

What is the FSCG of the NSN 4820-01-247-3900?

The FSCG of the NSN 4820-01-247-3900 is 4820

Does the NSN 4820-01-247-3900 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809015

Does NSN 4820-01-247-3900 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 4820-01-247-3900 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-247-3900 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 4820-01-247-3900 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Tue, Jan 6, 1987