S-211 1/4IN

View detailed technical data, stock status, and sourcing information for: S-211 1/4IN
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-289-0981

Item Name Code

05485

Assigment Date

11/17/1988 (37 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.

inside screw bonnet type, threaded bonnet attachment method, 406.0 fahrenheit single response maximum operating temp, disk flow control device, 0.250 inches all ends nominal pipe size accommodated

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: 0.250 inches all ends
Flow Control Device: disk
Bonnet Type: inside screw
Bonnet Attachment Method: threaded
Maximum Operating Temp: 406.0 fahrenheit single response
Connection Style: socket all ends
Valve Operation Method: manual
Connection Type: unthreaded internal pipe all ends
Features Provided: bonnet packing
Maximum Operating Pressure: 125.0 pounds per square inch 1st response
Maximum Operating Pressure: 200.0 pounds per square inch 2nd response
Material: copper alloy 694 stem
Material: copper alloy 836 body
Material: copper alloy 836 seat
Material: copper alloy 836 flow control device
Material: plastic polytetrafluoroethylene packing
Material Document And Classification: astm b-371 alloy c69400 assn std single material response stem
Material Document And Classification: astm b-62 assn std single material response body
Material Document And Classification: astm b-62 assn std single material response flow control device
Material Document And Classification: astm b-62 assn std single material response seat
Media For Which Designed: steam 1st response
Media For Which Designed: water-oil-gas 2nd response
Style Designator: straight thru
Supplementary Features: this item has bheen reviewed for asbestos material. the current approved source, 12168, has indicated their part number contained asbestos prior to 1984. they continue to manufacture the same part number without asbestos material after 1984
Specification/Standard Data: 59646-mss-sp-80 professional/industrial association standard
Nondefinitive Spec/Std Data: 1 type and 125 class and b end and 0.250 size

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
S-211 1/4IN	Globe Valve

FAQs

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

What is the FSCG of the NSN 4820-01-289-0981?

The FSCG of the NSN 4820-01-289-0981 is 4820

Does NSN 4820-01-289-0981 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 4820-01-289-0981 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-289-0981 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 4820-01-289-0981 was assigned to the Federal Catalog?

It was assigned 37 years ago, on Thu, Nov 17, 1988