100154

View detailed technical data, stock status, and sourcing information for: 100154
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-935-1508

Item Name Code

05488

Assigment Date

03/28/1967 (59 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 spring bonnet type, threaded bonnet attachment method, 0.500 inches 1st end nominal pipe size accommodated, disk flow control device, right-hand 1st end thread direction

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 1st end
Thread Direction: right-hand 1st end
Flow Control Device: disk
Bonnet Type: inside spring
Bonnet Attachment Method: threaded
Disk Loading Method: spring
Valve Discharge Flow Rate: 102.0 pounds per hour
Connection Style: plain (pipe) 1st end
Valve Operation Method: manual
Connection Type: threaded external pipe 1st end
Thread Quantity Per Inch: 14 1st end
Nominal Thread Size: 0.500 inches 1st end
Opening Pressure Setting: 33.0 pounds per square inch
Material: copper alloy flow control device
Surface Treatment: chromium and nickel
Style Designator: straight thru w/baffle
Thread Series Designator: npt 1st end

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
100154	Safety Relief Valve
30-1/2 SET	Safety Relief Valve
763710-001	Safety Relief Valve
FX58	Safety Relief Valve
HDD1-2IN33LB	Safety Relief Valve
P763710-001	Safety Relief Valve
PS58	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-935-1508?

The FSCG of the NSN 4820-00-935-1508 is 4820

Does the NSN 4820-00-935-1508 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-935-1508 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 4820-00-935-1508 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-935-1508 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 4820-00-935-1508 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Tue, Mar 28, 1967