4820-00-138-3881

Find complete technical information, availability, and procurement data for: 4820-00-138-3881
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-138-3881

Item Name Code

05485

Assigment Date

07/28/1971 (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.

threaded bonnet attachment method, socket (tube) all ends connection style, inside spring bonnet type, disk flow control device, 300.0 fahrenheit single response maximum operating temp

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 spring
Bonnet Attachment Method: threaded
Maximum Operating Temp: 300.0 fahrenheit single response
Connection Style: socket (tube) all ends
Valve Operation Method: automatic
Connection Type: unthreaded internal tube all ends
Maximum Operating Pressure: 450.0 pounds per square inch single response
Nominal Outside Diameter Tube Accommodated: 1.375 inches all ends
Material: copper alloy body
Material: copper alloy seat
Material: copper alloy stem
Material: plastic and rubber synthetic and copper alloy flow control device
Media For Which Designed: refrigerant, halogenated single response
Style Designator: straight thru

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
A13737	Globe Valve

FAQs

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

What is the FSCG of the NSN 4820-00-138-3881?

The FSCG of the NSN 4820-00-138-3881 is 4820

Does the NSN 4820-00-138-3881 have a Schedule B code assigned?

Yes, the Schedule B code is 8481801070

Does NSN 4820-00-138-3881 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 4820-00-138-3881 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-138-3881 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 4820-00-138-3881 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Wed, Jul 28, 1971