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4820-01-307-8767

Safety Relief Valve

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Official Item Classification

Name
Safety Relief Valve
(NSN) National Stock Number
4820-01-307-8767
(FSG) Federal Supply Group
48 Valves
(FSC) Federal Supply Classification
4820 Nonpowered Valves
(INC) Item Name Code
05488
(FIIG) Federal Item Identification Guide
A046B0
Date
09/19/1989 (37 years ago)

disk flow control device, round with holes all ends flange shape, automatic valve operation method, 3 all ends bolt hole quantity, ship, ohio class ssn(trident) end item identification

Specs & Compatibility

Flow Control Device

disk

Bolt Hole Quantity

3 all ends

End Item Identification

ship, ohio class ssn(trident)

Valve Operation Method

automatic

Flange Shape

round with holes all ends

Connection Type

flange all ends

Valve Size

0.500 inches

Adjustable Pressure Range

+18.0 to 32.0 pounds per square inch

Nominal Outside Diameter

3.562 inches all ends

Nominal Thickness

0.375 inches all ends

First Connection Face To Centerline Distance

2.375 inches

Bolt Hole Nominal Diameter

0.562 inches all ends

Second Connection Face To Centerline Distance

2.500 inches

Bolt Circle Nominal Diameter

2.438 inches all ends

Flange Face Design

plain all ends

Material

copper alloy body

Material

steel corrosion resisting stem

Style Designator

angle flanged ends

Regulatory Compliance

Precious Metals Indicator
A

Item does not contain precious metal.

Criticality Code
X

The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Hazardous Metals Indicator
N

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

Pseudo Item Name Code

0005488

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S4824H3217973 1/2IN 18T 32PSI Safety Relief Valve

Frequently Asked Questions

What is the FSCG of the NSN 4820-01-307-8767?
The FSCG of the NSN 4820-01-307-8767 is 4820
Does the NSN 4820-01-307-8767 have a Schedule B code assigned?
Yes, the Schedule B code is 8481400000
Does NSN 4820-01-307-8767 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 4820-01-307-8767 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-01-307-8767 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 4820-01-307-8767 was assigned to the Federal Catalog?
It was assigned 37 years ago, on Tue, Sep 19, 1989