4820-01-329-7221

Find complete technical information, availability, and procurement data for: 4820-01-329-7221
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-329-7221

Item Name Code

05488

Assigment Date

11/21/1990 (35 years ago)

A multi-ported, nonlubricated valve designed to provide straight through flow or ability to direct a number of flows or pressure through a single valve. The flow is controlled by the rotation of a ported ball within a suitable ported seat(s). The ball is usually engaged by a stem. It is normally operated in an open or closed position. Excludes:valve, check.

spring disk loading method, inside spring bonnet type, disk flow control device, 1.250 inches all ends nominal pipe size accommodated, integral bonnet attachment method

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: 1.250 inches all ends
Flow Control Device: disk
Bonnet Type: inside spring
Bonnet Attachment Method: integral
Disk Loading Method: spring
Maximum Operating Temp: 180.0 fahrenheit single response
Connection Style: socket with brazing ring all ends
Valve Operation Method: automatic
Connection Type: unthreaded internal pipe all ends
Adjustable Pressure Range: +30.0 to 50.0 pounds per square inch
Maximum Operating Pressure: 400.0 pounds per square inch single response
Material: copper alloy body
Material: nickel alloy seat
Material: nickel alloy stem
Material: rubber butadiene-acrylonitrile class nbr flow control device
Media For Which Designed: air single response
Style Designator: angle
Furnished Items And Quantity: 1 lever

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
1385 B/M2385F224	Safety Relief Valve
YB2385F224	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-329-7221?

The FSCG of the NSN 4820-01-329-7221 is 4820

Does the NSN 4820-01-329-7221 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-329-7221 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 4820-01-329-7221 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-329-7221 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 4820-01-329-7221 was assigned to the Federal Catalog?

It was assigned 35 years ago, on Wed, Nov 21, 1990