4820-00-446-3311

Find complete technical information, availability, and procurement data for: 4820-00-446-3311
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-446-3311

Item Name Code

05488

Assigment Date

01/01/1963 (63 years ago)

right-hand 1st end thread direction, disk flow control device, 0.750 inches 1st end nominal pipe size accommodated, inside screw bonnet type, integral bonnet attachment method

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 1st end
Thread Direction: right-hand 1st end
Flow Control Device: disk
Bonnet Type: inside screw
Bonnet Attachment Method: integral
Disk Loading Method: spring
Connection Style: plain (pipe) 1st end
Valve Operation Method: automatic or manual
Connection Type: threaded external pipe 1st end
Adjustable Pressure Range: +105.0 to 115.0 pounds per square inch
Maximum Operating Pressure: 250.0 pounds per square inch single response
Nominal Thread Size: 0.750 inches 1st end
Material: copper alloy overall
Media For Which Designed: air 1st response
Media For Which Designed: fuel/oil, hydrocarbon 2nd response
Style Designator: straight thru
Thread Series Designator: npt 1st end

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-00-963-0003	No Name Available	09/01/2023

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:

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38436W	Safety Relief Valve
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90AR494	Safety Relief Valve
90G8	Safety Relief Valve
FIG1-110LBS	Safety Relief Valve
W7708PC238	Safety Relief Valve
W7710PC238	Safety Relief Valve
W8064PC238	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-446-3311?

The FSCG of the NSN 4820-00-446-3311 is 4820

Does the NSN 4820-00-446-3311 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-446-3311 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 4820-00-446-3311 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-446-3311 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 4820-00-446-3311 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963