YFB45S4105-574672PC57

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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-287-5931

Item Name Code

05483

Assigment Date

01/01/1961 (65 years ago)

threaded bonnet attachment method, 500.0 fahrenheit single response maximum operating temp, inside screw bonnet type, needle flow control device, right-hand all ends thread direction

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: needle
Bonnet Type: inside screw
Bonnet Attachment Method: threaded
Maximum Operating Temp: 500.0 fahrenheit single response
Connection Style: plain,optional end(pipe) all ends
Valve Operation Method: manual
Connection Type: threaded internal pipe all ends
Features Provided: bonnet packing
Maximum Operating Pressure: 7000.0 pounds per square inch single response
Nominal Thread Size: 0.250 inches all ends
Material: plastic polytetrafluoroethylene packing
Material: steel comp 316 body
Material: steel comp 316 stem
Media For Which Designed: water-oil-gas single response
Style Designator: angle
Thread Series Designator: npt all ends

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-00-289-4262	No Name Available	01/01/1963
4820-00-469-0521	No Name Available	05/21/1969
4820-00-699-2604	No Name Available	05/01/1984
4820-00-752-9914	No Name Available	02/12/1969
4820-00-773-6330	No Name Available	05/01/1984
4820-00-887-9212	No Name Available	09/26/1973

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
1071A1-4	Angle Valve
152989	Angle Valve
2122F4F	Angle Valve
2122F4Y	Angle Valve
60-801-01	Angle Valve
B-70-1071-02	Angle Valve
YFB45S4105-574672PC57	Angle Valve
YN1S41-62PC43	Angle Valve

FAQs

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

What is the FSCG of the NSN 4820-00-287-5931?

The FSCG of the NSN 4820-00-287-5931 is 4820

Does the NSN 4820-00-287-5931 have a Schedule B code assigned?

Yes, the Schedule B code is 8481803090

Does NSN 4820-00-287-5931 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 4820-00-287-5931 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-287-5931 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 4820-00-287-5931 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961