4820-01-149-1834

Find complete technical information, availability, and procurement data for: 4820-01-149-1834
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-149-1834

Item Name Code

05488

Assigment Date

03/16/1983 (43 years ago)

A valve having two or more ports with valve stem or pilot needle in a normally open or closed position. It is specifically designed to stop or start or change the flow of fluid by means of the magnetic action of an electric coil on a moveable core or plunger. The valve may be equipped with a manual opening or closing device. For items with three or more ports that utilize a reciprocating slide with recess areas which mate with ports in an integral or replaceable ported sleeve, see valve (1), linear, directional control. It may be inline or cartridge (manifold) design. Excludes:valve (1), butterfly.

inside screw bonnet type, threaded bonnet attachment method, automatic valve operation method, spring disk loading method, disk flow control device

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: inside screw
Bonnet Attachment Method: threaded
Disk Loading Method: spring
Valve Operation Method: automatic
Flange Shape: round 1st end
Flange Shape: round 2nd end
Connection Type: flange 1st end
Connection Type: flange 2nd end
Valve Size: 1.500 inches
Adjustable Pressure Range: +30.0 to 50.0 pounds per square inch
Maximum Operating Pressure: 150.0 pounds per square inch single response
Nominal Outside Diameter: 5.000 inches 2nd end
Nominal Outside Diameter: 7.000 inches 1st end
Nominal Thickness: 0.562 inches 2nd end
Nominal Thickness: 0.688 inches 1st end
First Connection Face To Centerline Distance: 4.312 inches
Second Connection Face To Centerline Distance: 3.875 inches
Flange Face Design: raised straight 1st end
Flange Face Design: raised straight 2nd end
Raised Face Nominal Height: 0.062 inches 2nd end
Raised Face Nominal Height: 0.062 inches 1st end
Raised Face Nominal Diameter: 2.875 inches 2nd end
Raised Face Nominal Diameter: 4.125 inches 1st end
Material: rubber butadiene-acrylonitrile class nbr seat
Material Document And Classification: astm a276,type 303 assn std single material response stem
Material Document And Classification: astm a216,grade wcb assn std single material response body
Style Designator: angle flanged ends
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
1384-S 1 1/2X2 1/2 30T50PSI	Safety Relief Valve
C3338 PL4212	Safety Relief Valve
YB2385G624	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-149-1834?

The FSCG of the NSN 4820-01-149-1834 is 4820

Does the NSN 4820-01-149-1834 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-149-1834 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 4820-01-149-1834 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-149-1834 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 4820-01-149-1834 was assigned to the Federal Catalog?

It was assigned 43 years ago, on Wed, Mar 16, 1983