16969-F AND 26MA10-170

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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-293-9285

Item Name Code

05488

Assigment Date

02/09/1989 (37 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.

disk flow control device, 1500.0 fahrenheit single response maximum operating temp, 4 all ends bolt hole quantity, automatic valve operation method, round with holes all ends flange shape

Product Characteristics

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

Flow Control Device: disk
Bolt Hole Quantity: 4 all ends
Maximum Operating Temp: 1500.0 fahrenheit single response
Valve Operation Method: automatic
Flange Shape: round with holes all ends
Connection Type: flange all ends
Valve Size: 2.000 inches
Maximum Operating Pressure: 10000.0 pounds per square inch single response
Opening Pressure Setting: 45.0 pounds per square inch
Nominal Outside Diameter: 6.000 inches all ends
Nominal Thickness: 0.625 inches all ends
Bolt Hole Nominal Diameter: 0.750 inches all ends
Bolt Circle Nominal Diameter: 4.875 inches all ends
Material: steel body
Media For Which Designed: steam single response
Style Designator: angle flanged 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
16969-F AND 26MA10-170	Safety Relief Valve
26MA10-170 45PSI SET	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-293-9285?

The FSCG of the NSN 4820-01-293-9285 is 4820

Does the NSN 4820-01-293-9285 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-293-9285 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 4820-01-293-9285 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-293-9285 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 4820-01-293-9285 was assigned to the Federal Catalog?

It was assigned 37 years ago, on Thu, Feb 9, 1989