4820-01-022-5988

Find complete technical information, availability, and procurement data for: 4820-01-022-5988
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-022-5988

Item Name Code

05487

Assigment Date

05/31/1976 (50 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.

0.630 inches offset distance, right-hand all ends thread direction, poppet flow control device, spring disk loading method, plain, optional end (pipe) all ends connection style

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
Offset Distance: 0.630 inches
Flow Control Device: poppet
Disk Loading Method: spring
Connection Style: plain, optional end (pipe) all ends
Valve Operation Method: automatic
Connection Type: threaded internal pipe all ends
Mounting Position: horizontal or vertical
Maximum Operating Pressure: 3000.0 pounds per square inch single response
Nominal Thread Size: 0.375 inches all ends
Special Features: inline mounted. valve has internally threaded pilot port nptf 0.250-18 thru which hydraulic pressure can be applied to unseat the poppet allowing full flow both directions
Material: steel overall
Media For Which Designed: fuel/oil, hydrocarbon single response
Surface Treatment: oxide
Style Designator: offset
Thread Series Designator: npt all ends

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-00-127-2327	No Name Available	05/01/1987

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
1CP600S3M	Check Valve
7466699-10	Check Valve
ICP600S3M	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-022-5988?

The FSCG of the NSN 4820-01-022-5988 is 4820

Does the NSN 4820-01-022-5988 have a Schedule B code assigned?

Yes, the Schedule B code is 8481302090

Does NSN 4820-01-022-5988 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 4820-01-022-5988 contain precious materials?

Precious metal content is unknown

Does NSN 4820-01-022-5988 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 4820-01-022-5988 was assigned to the Federal Catalog?

It was assigned 50 years ago, on Mon, May 31, 1976