4820-01-052-3909

Find complete technical information, availability, and procurement data for: 4820-01-052-3909
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-052-3909

Item Name Code

05488

Assigment Date

12/15/1977 (48 years ago)

disk flow control device, ship, ohio class ssn(trident) end item identification, socket with brazing ring (tube) 1st end connection style, 180.0 fahrenheit single response maximum operating temp, spring disk loading method

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Flow Control Device: disk
Disk Loading Method: spring
Maximum Operating Temp: 180.0 fahrenheit single response
End Item Identification: ship, ohio class ssn(trident)
Connection Style: socket with brazing ring (tube) 1st end
Connection Style: streamlined with two brazing rings (tube) 2nd end
Valve Operation Method: automatic
Connection Type: unthreaded internal tube 1st end
Connection Type: unthreaded internal tube 2nd end
Adjustable Pressure Range: +1551.0 to 1900.0 pounds per square inch
Maximum Operating Pressure: 1900.0 pounds per square inch single response
Nominal Outside Diameter Tube Accommodated: 0.843 inches 2nd end
Nominal Outside Diameter Tube Accommodated: 1.053 inches 1st end
Material: copper alloy body
Material: steel comp 303 flow control device
Material: steel comp 304 seat
Material Document And Classification: qq-c-390,alloy d4/d/ fed spec single material response body
Material Document And Classification: qq-s-764,type 303-canceled fed spec single material response flow control device
Material Document And Classification: qq-s-763,class 304 fed spec single material response seat
Media For Which Designed: air 1st response
Media For Which Designed: water-oil-gas 2nd response
Style Designator: angle

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-01-084-8623	No Name Available	10/01/1987

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
189-CS-167 1151 T 19000PSI	Safety Relief Valve
D49-30UU-07 1/2 IN.	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-052-3909?

The FSCG of the NSN 4820-01-052-3909 is 4820

Does the NSN 4820-01-052-3909 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-052-3909 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 4820-01-052-3909 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-052-3909 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 4820-01-052-3909 was assigned to the Federal Catalog?

It was assigned 48 years ago, on Thu, Dec 15, 1977