6153-30-50

View detailed technical data, stock status, and sourcing information for: 6153-30-50
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-604-4656

Item Name Code

05488

Assigment Date

01/25/1975 (51 years ago)

3a 1st end thread class, spring disk loading method, poppet flow control device, right-hand 1st end thread direction, pressed-in renewable seat ring type

Product Characteristics

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

Thread Class: 3a 1st end
Thread Direction: right-hand 1st end
Flow Control Device: poppet
Disk Loading Method: spring
Renewable Seat Ring Type: pressed-in
Maximum Operating Temp: -40.0 fahrenheit 1st response
Maximum Operating Temp: 250.0 fahrenheit 2nd response
Connection Style: plain (tube) 1st end
Valve Operation Method: automatic
Connection Type: threaded external tube 1st end
Maximum Operating Pressure: 200.0 pounds per square inch single response
Nominal Thread Size: 0.438 inches 1st end
Opening Pressure Setting: 50.0 pounds per square inch
Nominal Outside Diameter Tube Accommodated: 0.250 inches 1st end
Material: aluminum alloy and rubber butadiene-acrylonitrile class nbr flow control device
Material: aluminum alloy seat
Material: aluminum alloy body
Media For Which Designed: air 1st responsealcohol, ethyl 2nd responseammonia, gaseous 3rd responsefuel/oil, hydrocarbon 4th responsehelium 5th response
Style Designator: straight thru w/baffle
Thread Series Designator: unjf 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
6153-30-50	Safety Relief Valve
D559A-4D-50	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-604-4656?

The FSCG of the NSN 4820-00-604-4656 is 4820

Does the NSN 4820-00-604-4656 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-604-4656 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 4820-00-604-4656 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-604-4656 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 4820-00-604-4656 was assigned to the Federal Catalog?

It was assigned 51 years ago, on Sat, Jan 25, 1975