4820-01-173-6879

Find complete technical information, availability, and procurement data for: 4820-01-173-6879
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-173-6879

Item Name Code

05483

Assigment Date

03/07/1984 (42 years ago)

A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.

3a 1st end thread class, stem flow control device, right-hand 2nd end thread direction, right-hand 1st end thread direction, inside screw bonnet type

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
Flow Control Device: stem
Bonnet Type: inside screw
Bonnet Attachment Method: union
Maximum Operating Temp: 300.0 fahrenheit single response
Connection Style: plain (pipe) 2nd end
Valve Operation Method: manual
Connection Type: threaded external pipe 2nd end
Connection Type: threaded external tube 1st end
Maximum Operating Pressure: 600.0 pounds per square inch single response
Nominal Thread Size: 0.250 inches 1st end
Nominal Thread Size: 0.250 inches 2nd end
Seat Angle: 20.0 degrees 1st end
Special Features: set screw 0.078 in. hex key,steel
Material: copper alloy body
Material: plastic polytetrafluoroethylene packing
Style Designator: angle
Thread Series Designator: npt 2nd end
Thread Series Designator: unf 1st end
Furnished Items And Quantity: 1 ferrule and 1 nut

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-01-478-6948	No Name Available	05/01/2003

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
581058-001	Angle Valve
B-4JA1	Angle Valve
B-4JNA1	Angle Valve

FAQs

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

What is the FSCG of the NSN 4820-01-173-6879?

The FSCG of the NSN 4820-01-173-6879 is 4820

Does the NSN 4820-01-173-6879 have a Schedule B code assigned?

Yes, the Schedule B code is 8481801095

Does NSN 4820-01-173-6879 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 4820-01-173-6879 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-173-6879 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 4820-01-173-6879 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Wed, Mar 7, 1984