4820-01-254-4879

Find complete technical information, availability, and procurement data for: 4820-01-254-4879
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-254-4879

Item Name Code

05483

Assigment Date

05/05/1987 (39 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.

outside screw-yoke bonnet type, disk flow control device, round with holes all ends flange shape, manual valve operation method, bolted 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.

Flow Control Device: disk
Bonnet Type: outside screw-yoke
Bonnet Attachment Method: bolted
Valve Operation Method: manual
Flange Shape: round with holes all ends
Connection Type: flange all ends
Valve Size: 2.500 inches
First Connection Face To Centerline Distance: 4.250 inches
Second Connection Face To Centerline Distance: 4.250 inches
Flange Face Design: raised straight all ends
Raised Face Nominal Height: 0.062 inches all ends
Material: steel body
Style Designator: angle flanged 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
D142A-2-1/2IN	Angle Valve
D1562B-2-1-2IN	Angle Valve

FAQs

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

What is the FSCG of the NSN 4820-01-254-4879?

The FSCG of the NSN 4820-01-254-4879 is 4820

Does the NSN 4820-01-254-4879 have a Schedule B code assigned?

Yes, the Schedule B code is 8481803090

Does NSN 4820-01-254-4879 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 4820-01-254-4879 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-254-4879 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 4820-01-254-4879 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Tue, May 5, 1987