4820-00-186-3820

Find complete technical information, availability, and procurement data for: 4820-00-186-3820
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-186-3820

Item Name Code

05485

Assigment Date

03/01/1971 (55 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.

inside screw bonnet type, 0.500 inches all ends nominal pipe size accommodated, threaded bonnet attachment method, disk flow control device, threaded renewable seat ring type

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: 0.500 inches all ends
Flow Control Device: disk
Bonnet Type: inside screw
Bonnet Attachment Method: threaded
Renewable Seat Ring Type: threaded
Maximum Operating Temp: 425.0 fahrenheit single response
Connection Style: socket with brazing ring all ends
Valve Operation Method: manual
Connection Type: unthreaded internal pipe all ends
Features Provided: bonnet packing
Maximum Operating Pressure: 200.0 pounds per square inch single response
Special Features: non-magnetic service,valve size 0.500 in.
Material: copper alloy 922 body
Material: nickel alloy flow control device
Material: nickel alloy seat
Material: nickel alloy 400 stem
Material Document And Classification: astm b164-61 assn std single material response stem
Material Document And Classification: qq-c-390,alloy d4/d/ fed spec single material response body
Material Document And Classification: qq-n-288 fed spec single material response flow control device
Media For Which Designed: steam single response
Style Designator: straight thru
Test Data Document: "03950-cid882057058 specification (includes engineering type bulletins, brochures,etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "nominal", etc.)."

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
803-1385722-31A22	Globe Valve
803-4384536-31A NON MAG	Globe Valve
803-4384536-31AXAF	Globe Valve
803-4384536-31AXAF NON-MAG	Globe Valve
810-1385722-31A22	Globe Valve

FAQs

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

What is the FSCG of the NSN 4820-00-186-3820?

The FSCG of the NSN 4820-00-186-3820 is 4820

Does the NSN 4820-00-186-3820 have a Schedule B code assigned?

Yes, the Schedule B code is 8481801070

Does NSN 4820-00-186-3820 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 4820-00-186-3820 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-186-3820 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 4820-00-186-3820 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Mon, Mar 1, 1971