556-6405334-AY98

View detailed technical data, stock status, and sourcing information for: 556-6405334-AY98
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-348-4277

Item Name Code

20962

Assigment Date

11/09/1991 (34 years ago)

A valve with a stem that may be mechanically actuated to two different positions by rotary or linear motion. In the first 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. In the second position, the valve disk is lifted from the seat to allow a flow of fluid in either direction through the valve. The valve disk may be spring loaded. See also valve, stop-check and valve, stop-lift-check.

bolted bonnet attachment method, socket all ends connection style, 0.250 inches all ends nominal pipe size accommodated, inside screw bonnet type, 160.0 fahrenheit single response maximum operating temp

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
Bonnet Type: inside screw
Bonnet Attachment Method: bolted
Maximum Operating Temp: 160.0 fahrenheit single response
Connection Style: socket all ends
Valve Operation Method: manual
Connection Type: unthreaded internal pipe all ends
Special Features: w/locking device
Material: steel corrosion resisting body
Media For Which Designed: oil, hydraulic single response
Style Designator: straight thru

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
211030120	Ball Valve
556-6405334-AY98	Ball Valve

FAQs

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

What is the FSCG of the NSN 4820-01-348-4277?

The FSCG of the NSN 4820-01-348-4277 is 4820

Does the NSN 4820-01-348-4277 have a Schedule B code assigned?

Yes, the Schedule B code is 8481803070

Does NSN 4820-01-348-4277 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 4820-01-348-4277 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-348-4277 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 4820-01-348-4277 was assigned to the Federal Catalog?

It was assigned 34 years ago, on Sat, Nov 9, 1991