771-589

View detailed technical data, stock status, and sourcing information for: 771-589
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-885-9803

Item Name Code

05488

Assigment Date

11/29/1967 (58 years ago)

poppet flow control device, 0.750 inches all ends nominal pipe size accommodated, inside spring bonnet type, threaded bonnet attachment method, 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.

Nominal Pipe Size Accommodated: 0.750 inches all ends
Thread Direction: right-hand all ends
Flow Control Device: poppet
Bonnet Type: inside spring
Bonnet Attachment Method: threaded
Disk Loading Method: spring
Connection Style: plain,optional end(pipe) all ends
Valve Operation Method: automatic or manual
Connection Type: threaded internal pipe all ends
Features Provided: pressure tight outlet side
Nominal Thread Size: 0.750 inches all ends
Opening Pressure Setting: 100.0 pounds per square inch
Material: copper alloy body
Material: copper alloy seat
Material: copper alloy stem
Style Designator: angle
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
771-589	Safety Relief Valve
771-589-9001	Safety Relief Valve
F52-3-4-100	Safety Relief Valve
F82-3/4-100	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-885-9803?

The FSCG of the NSN 4820-00-885-9803 is 4820

Does the NSN 4820-00-885-9803 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-885-9803 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 4820-00-885-9803 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-885-9803 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 4820-00-885-9803 was assigned to the Federal Catalog?

It was assigned 58 years ago, on Wed, Nov 29, 1967