1-4F20B

View detailed technical data, stock status, and sourcing information for: 1-4F20B
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-238-5372

Item Name Code

05485

Assigment Date

11/02/1970 (55 years ago)

inside screw bonnet type, threaded bonnet attachment method, needle flow control device, right-hand all ends thread direction, 212.0 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.

Thread Direction: right-hand all ends
Flow Control Device: needle
Bonnet Type: inside screw
Bonnet Attachment Method: threaded
Maximum Operating Temp: 212.0 fahrenheit single response
Connection Style: plain,optional end(pipe) all ends
Valve Operation Method: manual
Connection Type: threaded internal pipe all ends
Features Provided: valve stem lock shield
Maximum Operating Pressure: 2000.0 pounds per square inch single response
Nominal Thread Size: 0.250 inches all ends
Special Features: flow control adjustment
Material: copper alloy body
Material: steel corrosion resisting flow control device
Media For Which Designed: water-oil-gas single response
Style Designator: straight thru
Thread Series Designator: nptf all ends

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-00-534-0511	No Name Available	09/01/1978
4820-01-091-8133	No Name Available	07/01/2003

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
1-4F20B	Globe Valve
1003217-02	Globe Valve
12Z6154-3	Globe Valve
29201001	Globe Valve
292010D1	Globe Valve
408233-1	Globe Valve
65-1001-313	Globe Valve
6601822	Globe Valve
F208	Globe Valve
FCV2000B	Globe Valve
HL-19525 PIECE 242	Globe Valve
VAL-1603	Globe Valve

FAQs

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

What is the FSCG of the NSN 4820-00-238-5372?

The FSCG of the NSN 4820-00-238-5372 is 4820

Does the NSN 4820-00-238-5372 have a Schedule B code assigned?

Yes, the Schedule B code is 8481801070

Does NSN 4820-00-238-5372 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 4820-00-238-5372 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-238-5372 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 4820-00-238-5372 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Mon, Nov 2, 1970