4251F2Y

View detailed technical data, stock status, and sourcing information for: 4251F2Y
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-003-6657

Item Name Code

05485

Assigment Date

05/03/1975 (51 years ago)

inside screw bonnet type, right-hand all ends thread direction, union bonnet attachment method, disk flow control device, -320.0 fahrenheit 1st response1200.0 fahrenheit 2nd 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.

Thread Direction: right-hand all ends
Flow Control Device: disk
Bonnet Type: inside screw
Bonnet Attachment Method: union
Maximum Operating Temp: -320.0 fahrenheit 1st response1200.0 fahrenheit 2nd response
Connection Style: plain,optional end(pipe) all ends
Valve Operation Method: manual
Connection Type: threaded internal pipe all ends
Maximum Operating Pressure: 2000.0 pounds per square inch single response
Nominal Thread Size: 0.125 inches all ends
Material: plastic polytetrafluoroethylene flow control device
Material: steel comp 316 body
Material: steel comp 316 seat
Material: steel comp 316 stem
Material Document And Classification: 66 fed std single material response body
Material Document And Classification: 66 fed std single material response seat
Material Document And Classification: 66 fed std single material response stem
Style Designator: straight thru
Thread Series Designator: npt all ends

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
4251F2Y	Globe Valve

FAQs

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

What is the FSCG of the NSN 4820-01-003-6657?

The FSCG of the NSN 4820-01-003-6657 is 4820

Does the NSN 4820-01-003-6657 have a Schedule B code assigned?

Yes, the Schedule B code is 8481803060

Does NSN 4820-01-003-6657 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 4820-01-003-6657 contain precious materials?

Precious metal content is unknown

Does NSN 4820-01-003-6657 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 4820-01-003-6657 was assigned to the Federal Catalog?

It was assigned 51 years ago, on Sat, May 3, 1975