4820-00-357-4947

Find complete technical information, availability, and procurement data for: 4820-00-357-4947
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-357-4947

Item Name Code

05487

Assigment Date

02/18/1974 (52 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.

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

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 all ends
Thread Direction: right-hand all ends
Flow Control Device: poppet
Disk Loading Method: spring
Renewable Seat Ring Type: pressed-in
Maximum Operating Temp: 225.0 fahrenheit single response
Connection Style: plain (tube) all ends
Valve Operation Method: automatic
Connection Type: threaded external tube all ends
Mounting Position: horizontal or vertical
Maximum Operating Pressure: 6000.0 pounds per square inch single response
Nominal Thread Size: 1.375 inches all ends
Material: copper alloy body
Material: nickel alloy seat
Material: plastic polyamide (nylon) flow control device
Media For Which Designed: water-oil-gas single response
Style Designator: straight thru
Thread Series Designator: unf 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
10101-7PC21	Check Valve
1026-300	Check Valve
123-2	Check Valve
123A-2	Check Valve
123A-2 PL-4350	Check Valve
6C23-2PL1411	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-00-357-4947?

The FSCG of the NSN 4820-00-357-4947 is 4820

Does the NSN 4820-00-357-4947 have a Schedule B code assigned?

Yes, the Schedule B code is 8481301090

Does NSN 4820-00-357-4947 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 4820-00-357-4947 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-357-4947 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 4820-00-357-4947 was assigned to the Federal Catalog?

It was assigned 52 years ago, on Mon, Feb 18, 1974