4820-01-420-5004

Find complete technical information, availability, and procurement data for: 4820-01-420-5004
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-420-5004

Item Name Code

05488

Assigment Date

10/18/1995 (30 years ago)

A replaceable item designed to provide a stationary seating surface for a mating, moveable item such as a valve disk or the like. The body may have a flange of various shapes. For diesel and gasoline reciprocating engines, see insert, engine valve seat.

inside screw bonnet type, socket (tube) all ends connection style, spring disk loading method, threaded bonnet attachment method, navy weapon system code jp, supply class aoe end item identification

Product Characteristics

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

Bonnet Type: inside screw
Bonnet Attachment Method: threaded
Disk Loading Method: spring
End Item Identification: navy weapon system code jp, supply class aoe
Connection Style: socket (tube) all ends
Valve Operation Method: automatic
Connection Type: butt weld tube all ends
Power Drive Operating Pressure: 3300.0 pounds per square inch nominal
Maximum Operating Pressure: 6000.0 pounds per square inch single response
Opening Pressure Setting: 3300.0 pounds per square inch
Nominal Outside Diameter: 2.372 inches 1st end
Nominal Outside Diameter: 4.315 inches 2nd end
Material: copper alloy 957 body
Material: steel comp 304 seat
Material: steel flow control device
Material Document And Classification: aisi 304 assn std single material response seat
Material Document And Classification: mil-b-24480 mil spec single material response body
Style Designator: angle

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
157A PLC-11736	Safety Relief Valve
157A PLC-11736 3300PSI	Safety Relief Valve
PLC-11736	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-420-5004?

The FSCG of the NSN 4820-01-420-5004 is 4820

Does the NSN 4820-01-420-5004 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-420-5004 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 4820-01-420-5004 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-420-5004 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 4820-01-420-5004 was assigned to the Federal Catalog?

It was assigned 30 years ago, on Wed, Oct 18, 1995