1331T

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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-146-0535

Item Name Code

05485

Assigment Date

09/22/1971 (54 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, threaded bonnet attachment method, 450.0 fahrenheit single response maximum operating temp, stem or disk flow control device, 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 Direction: right-hand all ends
Flow Control Device: stem or disk
Bonnet Type: inside screw
Bonnet Attachment Method: threaded
Maximum Operating Temp: 450.0 fahrenheit single response
Connection Style: plain,optional end(pipe) all ends
Valve Operation Method: manual
Connection Type: threaded internal pipe all ends
Features Provided: bonnet packing
Maximum Operating Pressure: 3000.0 pounds per square inch single response
Nominal Thread Size: 0.500 inches all ends
Special Features: inside screw plug stem; integral seat; full port; carbon screw trim
Material: steel uns k03504 body
Material Document And Classification: astm a105,grade 2 assn std all material responses overall
Media For Which Designed: fuel/oil, hydrocarbon single response
Style Designator: straight thru
Thread Series Designator: npt 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
1331 1/2IN	Globe Valve
1331T	Globe Valve
1333	Globe Valve

FAQs

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

What is the FSCG of the NSN 4820-00-146-0535?

The FSCG of the NSN 4820-00-146-0535 is 4820

Does the NSN 4820-00-146-0535 have a Schedule B code assigned?

Yes, the Schedule B code is 8481803060

Does NSN 4820-00-146-0535 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 4820-00-146-0535 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-146-0535 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 4820-00-146-0535 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Wed, Sep 22, 1971