4820-01-130-0654

Find complete technical information, availability, and procurement data for: 4820-01-130-0654
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-130-0654

Item Name Code

05488

Assigment Date

04/15/1982 (44 years ago)

A headless fastener not exceeding 12 inches (304.8 mm) in length, threaded externally on both ends, on which the nominal diameter of one threaded section is greater than the other. All or part of the unthreaded section is greater than the maximum major diameter of the largest threaded section. It may be thread relieved. Excludes:items with tapered threads. See also stud, locked in.

spring disk loading method, -40.0 fahrenheit 1st response maximum operating temp, 250.0 fahrenheit 2nd response maximum operating temp, poppet flow control device, right-hand all ends thread direction

Product Characteristics

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

Thread Direction: right-hand all ends
Flow Control Device: poppet
Disk Loading Method: spring
Maximum Operating Temp: -40.0 fahrenheit 1st response
Maximum Operating Temp: 250.0 fahrenheit 2nd response
Connection Style: plain (pipe) 1st end
Valve Operation Method: automatic
Connection Type: threaded external pipe 1st end
Mounting Facility: threaded fastener
Adjustable Pressure Range: +0.5 to 150.0 pounds per square inch
Maximum Operating Pressure: 200.0 pounds per square inch single response
Nominal Thread Size: 0.250 inches all ends
Opening Pressure Setting: 20.0 pounds per square inch
Special Features: max operting pressure and temp,200 lb psi,280 deg f; designed for air,alcohol,ammonia,hydrocarbon fuel/oil,helium,hydrogen,and gaseous nitrogen
Material: copper alloy body
Material: rubber butadiene-acrylonitrile class nbr packing
Media For Which Designed: acetylene 2nd response
Media For Which Designed: air 1st response
Media For Which Designed: ammonia, gaseous 3rd response
Media For Which Designed: hydrogen 5th response
Media For Which Designed: refrigerant 12 4th response
Style Designator: straight thru
Thread Series Designator: npt 1st end
Furnished Items And Quantity: 1 deflector cap

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
411509-4	Safety Relief Valve
D559B-2M-20	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-130-0654?

The FSCG of the NSN 4820-01-130-0654 is 4820

Does the NSN 4820-01-130-0654 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-130-0654 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 4820-01-130-0654 contain precious materials?

Precious metal content is unknown

Does NSN 4820-01-130-0654 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 4820-01-130-0654 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Thu, Apr 15, 1982