9050-4

View detailed technical data, stock status, and sourcing information for: 9050-4
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-019-9612

Item Name Code

05488

Assigment Date

01/01/1963 (63 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.

spring disk loading method, right-hand 2nd end thread direction, right-hand 1st end thread direction, acft,type b-52 end item identification, automatic valve operation method

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 1st end
Thread Direction: right-hand 2nd end
Disk Loading Method: spring
End Item Identification: acft,type b-52
Valve Operation Method: automatic
Connection Type: threaded external pipe 1st end
Connection Type: threaded internal boss 2nd end
Maximum Operating Pressure: 430.0 pounds per square inch single response
Material: aluminum alloy body
Media For Which Designed: oxygen, gaseous single response
Style Designator: angle

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
1660-00-066-3447	No Name Available	11/18/1966
1660-00-868-6585	No Name Available	11/01/2000

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
20C-0050-4	Safety Relief Valve
21244-1	Safety Relief Valve
4820PL1341010	Safety Relief Valve
9050-4	Safety Relief Valve
FR121B2	Safety Relief Valve
M9050-4	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-019-9612?

The FSCG of the NSN 4820-00-019-9612 is 4820

Does the NSN 4820-00-019-9612 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-019-9612 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 4820-00-019-9612 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-019-9612 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 4820-00-019-9612 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963