3W28577T3

View detailed technical data, stock status, and sourcing information for: 3W28577T3
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-956-0641

Item Name Code

05488

Assigment Date

01/01/1962 (64 years ago)

inside screw bonnet type, threaded bonnet attachment method, 0.500 inches 1st end nominal pipe size accommodated, disk flow control device, right-hand 1st end thread direction

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 1st end
Thread Direction: right-hand 1st end
Flow Control Device: disk
Bonnet Type: inside screw
Bonnet Attachment Method: threaded
Connection Style: plain (pipe) 1st end
Valve Operation Method: automatic
Connection Type: threaded external pipe 1st end
Maximum Operating Pressure: 3000.0 pounds per square inch single response
Nominal Thread Size: 0.500 inches 1st end
Opening Pressure Setting: 3500.0 pounds per square inch
Material: steel body
Material: steel seat
Style Designator: angle
Thread Series Designator: npt 1st end

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
3W28577T3	Safety Relief Valve
MLW125496G1	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-956-0641?

The FSCG of the NSN 4820-00-956-0641 is 4820

Does the NSN 4820-00-956-0641 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-956-0641 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 4820-00-956-0641 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-956-0641 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 4820-00-956-0641 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962