4820-01-425-6825

Find complete technical information, availability, and procurement data for: 4820-01-425-6825
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-425-6825

Item Name Code

05488

Assigment Date

02/26/1996 (30 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.

support equipment, b-1 aircraft end item identification, right-hand 2nd end thread direction, 3a 1st end thread class, right-hand 1st end thread direction, plain (pipe) 2nd end connection style

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class: 3a 1st end
Thread Direction: right-hand 1st end
Thread Direction: right-hand 2nd end
End Item Identification: support equipment, b-1 aircraft
Connection Style: plain (pipe) 2nd end
Valve Operation Method: automatic
Connection Type: threaded external pipe 2nd end
Connection Type: threaded external tube 1st end
Nominal Thread Size: 0.500 inches 2nd end
Nominal Thread Size: 0.625 inches 1st end
Opening Pressure Setting: 275.0 pounds per square inch
Material: copper alloy body
Style Designator: angle
Thread Series Designator: npt 2nd end
Thread Series Designator: unf 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
527-275PSI	Safety Relief Valve
9168377	Safety Relief Valve
9168377-2	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-425-6825?

The FSCG of the NSN 4820-01-425-6825 is 4820

Does the NSN 4820-01-425-6825 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-425-6825 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 4820-01-425-6825 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-425-6825 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 4820-01-425-6825 was assigned to the Federal Catalog?

It was assigned 30 years ago, on Mon, Feb 26, 1996