1G10-R-20SV

View detailed technical data, stock status, and sourcing information for: 1G10-R-20SV
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-246-5979

Item Name Code

05488

Assigment Date

12/16/1986 (39 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, external seat for gasket seal (boss) all ends connection style, 40.0 gallons per minute valve discharge flow rate, 2a all ends thread class, piston 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 Class: 2a all ends
Thread Direction: right-hand all ends
Flow Control Device: piston
Valve Discharge Flow Rate: 40.0 gallons per minute
Connection Style: external seat for gasket seal (boss) all ends
Valve Operation Method: automatic
Connection Type: threaded cartridge all ends
Maximum Operating Pressure: 2000.0 pounds per square inch single response
Nominal Thread Size: 1.000 inches all ends
Opening Pressure Setting: 1000.0 pounds per square inch
Special Features: cartridge type; viton a seals; handknob adjustment
Material: aluminum alloy body
Media For Which Designed: oil, hydraulic single response
Style Designator: straight thru note: to be used for valve bodies of separable sections.
Thread Series Designator: unf 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
1G10-R-20SV	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-246-5979?

The FSCG of the NSN 4820-01-246-5979 is 4820

Does the NSN 4820-01-246-5979 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-246-5979 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 4820-01-246-5979 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-246-5979 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 4820-01-246-5979 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Tue, Dec 16, 1986