901-3/4IN.

View detailed technical data, stock status, and sourcing information for: 901-3/4IN.
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-287-5999

Item Name Code

05487

Assigment Date

01/01/1963 (63 years ago)

150.0 fahrenheit 2nd response maximum operating temp, right-hand all ends thread direction, plain, optional end (pipe) all ends connection style, 406.0 fahrenheit 1st response maximum operating temp, disk flow control device

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
Maximum Operating Temp: 150.0 fahrenheit 2nd response
Maximum Operating Temp: 406.0 fahrenheit 1st response
Connection Style: plain, optional end (pipe) all ends
Valve Operation Method: automatic
Connection Type: threaded internal pipe all ends
Mounting Position: horizontal
Thread Quantity Per Inch: 14 all ends
Maximum Operating Pressure: 125.0 pounds per square inch 1st response
Maximum Operating Pressure: 200.0 pounds per square inch 2nd response
Nominal Thread Size: 0.750 inches all ends
Special Features: lift check type
Material: copper alloy 360 flow control device
Material: copper alloy 836 body
Material Document And Classification: astm b-16 assn std single material response flow control device
Material Document And Classification: astm b-61 assn std single material response body
Media For Which Designed: steam 1st response
Media For Which Designed: water-oil-gas 2nd response
Style Designator: straight thru
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Below is a list of NSNs that have been officially superseded by this NSN: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
4820-00-268-8793	No Name Available	08/01/1978
4820-01-226-1540	No Name Available	08/01/1992

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
0607	Check Valve
106107-6	Check Valve
544-3-4	Check Valve
7108-3020	Check Valve
901-3/4IN.	Check Valve
FIG 2142 SZ 3/4 IN	Check Valve
MSS SP80 TY1,CL125,SZ3/4IN	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-00-287-5999?

The FSCG of the NSN 4820-00-287-5999 is 4820

Does the NSN 4820-00-287-5999 have a Schedule B code assigned?

Yes, the Schedule B code is 8481301090

Does NSN 4820-00-287-5999 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 4820-00-287-5999 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-287-5999 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 4820-00-287-5999 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963