9902PC74

View detailed technical data, stock status, and sourcing information for: 9902PC74
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-287-2969

Item Name Code

05488

Assigment Date

01/01/1963 (63 years ago)

disk flow control device, spring disk loading method, 406.0 fahrenheit single response maximum operating temp, plain (pipe) 1st end connection style, 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: disk
Disk Loading Method: spring
Maximum Operating Temp: 406.0 fahrenheit single response
Connection Style: plain (pipe) 1st end
Connection Style: plain,optional end(pipe) 2nd end
Valve Operation Method: automatic
Connection Type: threaded external pipe 1st end
Connection Type: threaded internal pipe 2nd end
Features Provided: valve stem lock shield
Adjustable Pressure Range: +31.0 to 50.0 pounds per square inch
Maximum Operating Pressure: 300.0 pounds per square inch single response
Nominal Thread Size: 0.500 inches all ends
Material: copper alloy body
Material: copper alloy flow control device
Material: copper alloy seat
Material: steel stem
Media For Which Designed: air 1st response
Media For Which Designed: gas, natural 2nd response
Media For Which Designed: steam 3rd 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Below is a list of NSNs that have been officially superseded by this NSN: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
4820-00-605-0728	No Name Available	06/01/1997
4820-01-236-5980	No Name Available	08/01/1998

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:

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10400PC73	Safety Relief Valve
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10409PC73	Safety Relief Valve
11400PC73	Safety Relief Valve
11402PC73	Safety Relief Valve
11409PC73	Safety Relief Valve
1471-1-2	Safety Relief Valve
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1542DRL1-2	Safety Relief Valve
193477	Safety Relief Valve
90G52	Safety Relief Valve
9700PC73	Safety Relief Valve
9702PC73	Safety Relief Valve
9709PC73	Safety Relief Valve
9900PC74	Safety Relief Valve
9902PC74	Safety Relief Valve
9909PC74	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-287-2969?

The FSCG of the NSN 4820-00-287-2969 is 4820

Does the NSN 4820-00-287-2969 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-287-2969 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 4820-00-287-2969 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-287-2969 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 4820-00-287-2969 was assigned to the Federal Catalog?

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