409780-1

View detailed technical data, stock status, and sourcing information for: 409780-1
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-090-9885

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.

right-hand all ends thread direction, disk flow control device, automatic valve operation method, plain (pipe) all ends connection style, threaded external pipe all ends connection type

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
Connection Style: plain (pipe) all ends
Valve Operation Method: automatic
Connection Type: threaded external pipe all ends
Nominal Thread Size: 0.750 inches all ends
Material: steel overall
Thread Series Designator: npt 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
2409-1009380REVGPC3113752	Safety Relief Valve
409780-1	Safety Relief Valve
409780REVGPC409780	Safety Relief Valve
4824C3113752REVGPC409780	Safety Relief Valve
563-2100-982505-LT7ITEM55	Safety Relief Valve
563-2100-982505ALT7ITEM55	Safety Relief Valve
563-2100-982505ALT7ITEM59	Safety Relief Valve
563-2100-982516ALT5ITEM34	Safety Relief Valve
563-2100-982516ALT5ITEM40	Safety Relief Valve
563-2100-982516ALT5ITEM46	Safety Relief Valve
563-2100-982516ALT5ITEM52	Safety Relief Valve
569-2100-1190735ALTAPCV6	Safety Relief Valve
569-2100-1190972PC2	Safety Relief Valve
569-2100-1190972REV2ITEM2	Safety Relief Valve
569-2200-1190782ALTAPCV7	Safety Relief Valve
P2380REVGPC3113752	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-090-9885?

The FSCG of the NSN 4820-00-090-9885 is 4820

Does the NSN 4820-00-090-9885 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-090-9885 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 4820-00-090-9885 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-090-9885 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 4820-00-090-9885 was assigned to the Federal Catalog?

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