803-4384536-31A1

View detailed technical data, stock status, and sourcing information for: 803-4384536-31A1
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-305-7195

Item Name Code

05485

Assigment Date

08/10/1989 (36 years ago)

A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes:valve (1), relief, pressure and temperature.

inside screw bonnet type, 0.500 inches all ends nominal pipe size accommodated, disk flow control device, integral bonnet attachment method, 150.0 fahrenheit single response maximum operating temp

Product Characteristics

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

Nominal Pipe Size Accommodated: 0.500 inches all ends
Flow Control Device: disk
Bonnet Type: inside screw
Bonnet Attachment Method: integral
Maximum Operating Temp: 150.0 fahrenheit single response
End Item Identification: logistics support vessel
Connection Style: socket all ends
Valve Operation Method: manual
Connection Type: unthreaded internal pipe all ends
Maximum Operating Pressure: 400.0 pounds per square inch single response
Material: bronze body
Material: nickel alloy flow control device
Material: nickel alloy seat
Material: nickel alloy stem
Media For Which Designed: water-oil-gas single response
Style Designator: straight thru

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-01-301-9888	No Name Available	07/12/2013
4820-01-305-9784	No Name Available	08/01/2012

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
7305 .50IN	Globe Valve
803-4384536-31A1	Globe Valve
803-4384536-31A2AF	Globe Valve

FAQs

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

What is the FSCG of the NSN 4820-01-305-7195?

The FSCG of the NSN 4820-01-305-7195 is 4820

Does the NSN 4820-01-305-7195 have a Schedule B code assigned?

Yes, the Schedule B code is 8481805090

Does NSN 4820-01-305-7195 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 4820-01-305-7195 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-305-7195 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 4820-01-305-7195 was assigned to the Federal Catalog?

It was assigned 36 years ago, on Thu, Aug 10, 1989