4820-01-050-2819

Find complete technical information, availability, and procurement data for: 4820-01-050-2819
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-050-2819

Item Name Code

05488

Assigment Date

11/04/1977 (48 years ago)

right-hand all ends thread direction, inside spring bonnet type, bolted bonnet attachment method, disk flow control device, 3a all ends thread class

Product Characteristics

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

Thread Class: 3a all ends
Thread Direction: right-hand all ends
Flow Control Device: disk
Bonnet Type: inside spring
Bonnet Attachment Method: bolted
Disk Loading Method: spring
Renewable Seat Ring Type: threaded
Maximum Operating Temp: 150.0 fahrenheit single response
End Item Identification: ship,ohio class ssn(trident)
Connection Style: external seat for gasket seal (boss) all ends
Valve Operation Method: automatic
Connection Type: threaded external boss all ends
Thread Quantity Per Inch: 12 all ends
Adjustable Pressure Range: +76.0 to 90.0 pounds per square inch
Maximum Operating Pressure: 750.0 pounds per square inch single response
Nominal Thread Size: 2.250 inches all ends
Material: steel body
Material: steel comp 303 and plastic polychlorotrifluoroethylene flow control device
Material: steel comp 303 seat
Material: steel comp 303 stem
Material Document And Classification: astm a351,grade cf8 assn std single material response body
Material Document And Classification: qq-s-764,type 303-canceled fed spec single material response stem
Material Document And Classification: qq-s-764,type 303-canceled fed spec single material response flow control device
Material Document And Classification: qq-s-764,type 303-canceled fed spec single material response seat
Media For Which Designed: air single response
Style Designator: angle
Thread Series Designator: un all ends
Specification/Standard Data: 81349-mil-v-22549 government specification
Nondefinitive Spec/Std Data: 1500 rating and 1.000 in. size

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
20315LS51SS	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-050-2819?

The FSCG of the NSN 4820-01-050-2819 is 4820

Does the NSN 4820-01-050-2819 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-050-2819 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 4820-01-050-2819 contain precious materials?

Precious metal content is unknown

Does NSN 4820-01-050-2819 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 4820-01-050-2819 was assigned to the Federal Catalog?

It was assigned 48 years ago, on Fri, Nov 4, 1977