4820-01-053-0290

Find complete technical information, availability, and procurement data for: 4820-01-053-0290
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-053-0290

Item Name Code

05485

Assigment Date

12/24/1977 (48 years ago)

A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes:valve (1), relief, pressure and temperature.

threaded renewable seat ring type, inside screw bonnet type, union bonnet attachment method, right-hand all ends thread direction, needle flow control device

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: needle
Bonnet Type: inside screw
Bonnet Attachment Method: union
Renewable Seat Ring Type: threaded
Maximum Operating Temp: 450.0 fahrenheit single response
Connection Style: plain,optional end(pipe) all ends
Valve Operation Method: manual
Connection Type: threaded internal pipe all ends
Mounting Facility: bulkhead
Maximum Operating Pressure: 3000.0 pounds per square inch single response
Nominal Thread Size: 0.125 inches all ends
Special Features: valve designed for micro-metering of fluids
Material: plastic polytetrafluoroethylene packing
Material: steel comp 303 flow control device
Material: steel comp 316 body
Material: steel comp 316 seat
Material: steel comp 316 stem
Media For Which Designed: water-oil-gas single response
Style Designator: straight thru
Thread Series Designator: npt all ends

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
21RF2-316	Globe Valve
SS-21RF2	Globe Valve

FAQs

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

What is the FSCG of the NSN 4820-01-053-0290?

The FSCG of the NSN 4820-01-053-0290 is 4820

Does the NSN 4820-01-053-0290 have a Schedule B code assigned?

Yes, the Schedule B code is 8481803060

Does NSN 4820-01-053-0290 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 4820-01-053-0290 contain precious materials?

Precious metal content is unknown

Does NSN 4820-01-053-0290 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 4820-01-053-0290 was assigned to the Federal Catalog?

It was assigned 48 years ago, on Sat, Dec 24, 1977