4820-01-554-1320

Find complete technical information, availability, and procurement data for: 4820-01-554-1320
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-554-1320

Item Name Code

05486

Assigment Date

07/31/2007 (19 years ago)

A valve with a bolt or stem that may be mechanically actuated to two different positions by rotary or linear motion. In the first position, the valve disk is located and locked against the seat permitting no fluid flow through the valve. In the second position, one side of the valve disk is located against the seat permitting movement of the disk in a manner that will allow a flow of fluid in one direction through the valve. The valve disk may be spring loaded. It may be inline or cartridge (manifold) design. See also valve (1), lift-check and valve (1), stop-lift-check.

2.000 inches all ends nominal pipe size accommodated, 775.0 fahrenheit single response maximum operating temp, disk flow control device, outside screw-yoke bonnet type, bolted 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: 2.000 inches all ends
Flow Control Device: disk
Bonnet Type: outside screw-yoke
Bonnet Attachment Method: bolted
Maximum Operating Temp: 775.0 fahrenheit single response
Connection Style: socket (pipe) all ends
Valve Operation Method: manual
Connection Type: unthreaded internal pipe all ends
Mounting Position: horizontal or vertical
Maximum Operating Pressure: 900.0 pounds per square inch single response
Part Name Assigned By Controlling Agency: angle stop-check with backseat
Special Features: 11-inch hand wheel
Material: cobalt comp l-605 flow control device
Material: steel comp 316 body
Material: steel comp 316 stem
Style Designator: angle

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-01-212-9950	No Name Available	01/01/2014
4820-01-431-6695	No Name Available	05/01/2015

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
803-2177525-S841	Stop-Check Valve
803-2177525-S8D1AF	Stop-Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-554-1320?

The FSCG of the NSN 4820-01-554-1320 is 4820

Does NSN 4820-01-554-1320 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 4820-01-554-1320 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-554-1320 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 4820-01-554-1320 was assigned to the Federal Catalog?

It was assigned 19 years ago, on Tue, Jul 31, 2007