4820-00-900-3800

Find complete technical information, availability, and procurement data for: 4820-00-900-3800
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-900-3800

Item Name Code

05488

Assigment Date

02/06/1967 (59 years ago)

A cap designed to mate with a fluid valve body. It may have an orifice through which a rod, shaft, stem, or an adjusting screw passes. For ported items, see head, valve. Excludes:cap, pneumatic valve.

right-hand all ends thread direction, spring disk loading method, integral bonnet attachment method, inside spring bonnet type, 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
Bonnet Type: inside spring
Bonnet Attachment Method: integral
Disk Loading Method: spring
End Item Identification: logistics support vessel
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
Maximum Operating Pressure: 250.0 pounds per square inch single response
Nominal Thread Size: 0.500 inches 2nd end
Nominal Thread Size: 0.750 inches 1st end
Opening Pressure Setting: 125.0 pounds per square inch
Material: iron cast body
Style Designator: angle
Thread Series Designator: npt all ends
Furnished Items And Quantity: 1 lever

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-00-840-7935	No Name Available	08/16/1974

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
1543-1-2INRNG12010130PSI	Safety Relief Valve
1543-1-2INRNG120TO130PSI	Safety Relief Valve
1543D	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-900-3800?

The FSCG of the NSN 4820-00-900-3800 is 4820

Does the NSN 4820-00-900-3800 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-900-3800 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 4820-00-900-3800 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-900-3800 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 4820-00-900-3800 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Mon, Feb 6, 1967