4820-00-494-8106

Find complete technical information, availability, and procurement data for: 4820-00-494-8106
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-494-8106

Item Name Code

05488

Assigment Date

03/25/1972 (54 years ago)

A flexible, tubular item of light wall construction. It must have single or multiple layers of nonmetallic material, but may contain metal wire reinforcement, foil type liner, and/or woven or braided cover. It is designed to convey under low pressure gaseous material, such as air and fumes, and light weight solid materials, such as dust, powders, and fibers. For items with couplings, see hose assembly, air duct. For items of sleeve section design rated for high pressure use, see sleeve, seal, coupling. Excludes:hose, nonmetallic.

inside spring bonnet type, 3b 1st end thread class, integral bonnet attachment method, poppet 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.

Thread Class: 3b 1st end
Thread Direction: right-hand 1st end
Flow Control Device: poppet
Bonnet Type: inside spring
Bonnet Attachment Method: integral
Disk Loading Method: spring
Renewable Seat Ring Type: pressed-in
Maximum Operating Temp: 225.0 fahrenheit single response
Connection Style: gasket seal(boss) 1st end
Valve Operation Method: automatic
Connection Type: threaded internal boss 1st end
Thread Quantity Per Inch: 16 1st end
Adjustable Pressure Range: +800.0 to 1500.0 pounds per square inch
Maximum Operating Pressure: 1500.0 pounds per square inch single response
Nominal Thread Size: 0.750 inches 1st end
Opening Pressure Setting: 1000.0 pounds per square inch
Nominal Outside Diameter Tube Accommodated: 0.500 inches 1st end
Material: plastic polyurethane seat
Material: steel comp 303 and steel comp 416 flow control device
Material: steel comp 303 body
Surface Treatment: passivate
Style Designator: angle
Thread Series Designator: unjf 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
513991-1	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-494-8106?

The FSCG of the NSN 4820-00-494-8106 is 4820

Does the NSN 4820-00-494-8106 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-494-8106 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 4820-00-494-8106 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-494-8106 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 4820-00-494-8106 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Sat, Mar 25, 1972