T-480

View detailed technical data, stock status, and sourcing information for: T-480
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-310-2289

Item Name Code

05487

Assigment Date

11/01/1989 (36 years ago)

A valve that controls flow by a circular disk, or a pair of semicircular disks, attached to a common spindle or lever turning on a diametral axis.

disk flow control device, automatic valve operation method, spring disk loading method, plain, optional end (pipe) all ends connection style, 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: disk
Disk Loading Method: spring
Connection Style: plain, optional end (pipe) all ends
Valve Operation Method: automatic
Connection Type: threaded internal pipe all ends
Mounting Position: horizontal or vertical
Maximum Operating Pressure: 125.0 pounds per square inch 1st response
Maximum Operating Pressure: 250.0 pounds per square inch 2nd response
Nominal Thread Size: 1.250 inches all ends
Special Features: inline lift type
Material: copper alloy body
Material: plastic polytetrafluoroethylene seat
Material: rubber flow control device
Material: steel corrosion resisting stem
Media For Which Designed: steam 1st response
Media For Which Designed: water-oil-gas 2nd 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
T-480	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-310-2289?

The FSCG of the NSN 4820-01-310-2289 is 4820

Does the NSN 4820-01-310-2289 have a Schedule B code assigned?

Yes, the Schedule B code is 8481301090

Does NSN 4820-01-310-2289 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 4820-01-310-2289 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-310-2289 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 4820-01-310-2289 was assigned to the Federal Catalog?

It was assigned 36 years ago, on Wed, Nov 1, 1989