4820-00-198-7029

Find complete technical information, availability, and procurement data for: 4820-00-198-7029
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-198-7029

Item Name Code

05487

Assigment Date

01/24/1969 (57 years ago)

A valve with one inlet and one outlet connection with outlet flow parallel to inlet flow. The flow is controlled by the action of a stem which lifts the disk perpendicularly off the center axis of its seat. The stem is at a 90 degree (1.5708 radians) angle to axis of flow. Excludes:valve, stop-check; cock, shutoff, screw stem; and valve, solenoid.

0.375 inches all ends nominal pipe size accommodated, poppet flow control device, right-hand all ends thread direction, plain (pipe) all ends connection style, 250.0 fahrenheit single response maximum operating temp

Product Characteristics

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

Nominal Pipe Size Accommodated: 0.375 inches all ends
Thread Direction: right-hand all ends
Flow Control Device: poppet
Maximum Operating Temp: 250.0 fahrenheit single response
Connection Style: plain (pipe) all ends
Valve Operation Method: automatic
Connection Type: threaded external pipe all ends
Mounting Position: horizontal or vertical
Maximum Operating Pressure: 250.0 pounds per square inch single response
Nominal Thread Size: 0.375 inches all ends
Special Features: nominal cracking pressure 1 psi
Material: copper alloy body
Material: rubber butadiene-acrylonitrile class nbr seat
Media For Which Designed: air 1st response
Media For Which Designed: fuel/oil, hydrocarbon 2nd response
Media For Which Designed: helium 3rd response
Media For Which Designed: hydrogen 4th response
Media For Which Designed: nitrogen, gaseous 5th response
Style Designator: straight thru
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Below is a list of NSNs that have been officially superseded by this NSN: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
4820-01-262-2543	No Name Available	01/01/1992

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
03-4042	Check Valve
2259B3MM	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-00-198-7029?

The FSCG of the NSN 4820-00-198-7029 is 4820

Does the NSN 4820-00-198-7029 have a Schedule B code assigned?

Yes, the Schedule B code is 8481301090

Does NSN 4820-00-198-7029 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 4820-00-198-7029 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-198-7029 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 4820-00-198-7029 was assigned to the Federal Catalog?

It was assigned 57 years ago, on Fri, Jan 24, 1969