4820-01-369-4847

Find complete technical information, availability, and procurement data for: 4820-01-369-4847
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-369-4847

Item Name Code

05487

Assigment Date

12/23/1992 (33 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.

right-hand all ends thread direction, automatic valve operation method, poppet flow control device, a3a all ends thread class, flareless all ends connection style

Product Characteristics

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

Thread Class: a3a all ends
Thread Direction: right-hand all ends
Flow Control Device: poppet
Connection Style: flareless all ends
Valve Operation Method: automatic
Connection Type: threaded external tube all ends
Mounting Position: horizontal or vertical
Thread Quantity Per Inch: 16 all ends
Nominal Thread Size: 0.750 inches all ends
Seat Angle: 20.0 degrees all ends
Opening Pressure Setting: 1.0 pounds per square inch
Material: rubber polymethylene-perfluoroalkylene class fkm flow control device
Material: steel comp 316 body
Style Designator: straight thru
Thread Series Designator: unj all ends

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
03-NRV-SS-0050-0002	Check Valve
121PA1386-057	Check Valve
69.MD000-1603	Check Valve
ASC1450773	Check Valve
SS-CHS8-1	Check Valve
VCLASS-11-02-R01 ITEM 5	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-369-4847?

The FSCG of the NSN 4820-01-369-4847 is 4820

Does the NSN 4820-01-369-4847 have a Schedule B code assigned?

Yes, the Schedule B code is 8481302090

Does NSN 4820-01-369-4847 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 4820-01-369-4847 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-369-4847 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 4820-01-369-4847 was assigned to the Federal Catalog?

It was assigned 33 years ago, on Wed, Dec 23, 1992