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4820-01-293-9285

Safety Relief Valve

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Official Item Classification

Name
Safety Relief Valve
(NSN) National Stock Number
4820-01-293-9285
(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
02/09/1989 (37 years ago)

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

Specs & Compatibility

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

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

Related Hardware Products

Part Number Description
16969-F AND 26MA10-170 Safety Relief Valve
26MA10-170 45PSI SET Safety Relief Valve

Frequently Asked Questions

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