1384 4IN 45T70P

View detailed technical data, stock status, and sourcing information for: 1384 4IN 45T70P
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-151-3688

Item Name Code

05488

Assigment Date

04/16/1983 (43 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.

automatic valve operation method, disk flow control device, 180.0 fahrenheit single response maximum operating temp, 8 all ends bolt hole quantity, spring disk loading method

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
Disk Loading Method: spring
Bolt Hole Quantity: 8 all ends
Maximum Operating Temp: 180.0 fahrenheit single response
Valve Operation Method: automatic
Flange Shape: round with holes all ends
Connection Type: flange all ends
Valve Size: 4.000 inches
Adjustable Pressure Range: +45.0 to 70.0 pounds per square inch
Maximum Operating Pressure: 300.0 pounds per square inch single response
Opening Pressure Setting: 70.0 pounds per square inch
Nominal Outside Diameter: 9.000 inches all ends
Nominal Thickness: 1.062 inches all ends
First Connection Face To Centerline Distance: 5.688 inches
Bolt Hole Nominal Diameter: 0.750 inches all ends
Second Connection Face To Centerline Distance: 5.688 inches
Bolt Circle Nominal Diameter: 7.500 inches all ends
Flange Face Design: plain all ends
Material: rubber butadiene-acrylonitrile class nbr flow control device
Style Designator: angle flanged ends
Furnished Items And Quantity: 1 lever

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
1384 4IN 45T70P	Safety Relief Valve
1384 4IN 45T70PSI PL4158	Safety Relief Valve
C3286	Safety Relief Valve
C3286 PL4158 4IN 45T70PSI	Safety Relief Valve
YB2385M625	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-151-3688?

The FSCG of the NSN 4820-01-151-3688 is 4820

Does the NSN 4820-01-151-3688 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-151-3688 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 4820-01-151-3688 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-151-3688 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 4820-01-151-3688 was assigned to the Federal Catalog?

It was assigned 43 years ago, on Sat, Apr 16, 1983