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4820-01-274-9156

Safety Relief Valve

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Featured Parts

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Valve Disk Guide
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Manifold Assembly Cap
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Valve Disk Guide
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Special Actuator Valve Diaphragm
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Helical Compression Spring Seat
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Compression Helical Spring
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Compression Helical Spring
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Scale Dial

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Official Item Classification

Name
Safety Relief Valve
(NSN) National Stock Number
4820-01-274-9156
(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
03/16/1988 (38 years ago)

150.0 fahrenheit single response maximum operating temp, 0.500 inches all ends nominal pipe size accommodated, automatic valve operation method, disk flow control device, socket with brazing ring all ends connection style

Specs & Compatibility

Nominal Pipe Size Accommodated

0.500 inches all ends

Flow Control Device

disk

Maximum Operating Temp

150.0 fahrenheit single response

Connection Style

socket with brazing ring all ends

Valve Operation Method

automatic

Connection Type

unthreaded internal pipe all ends

Adjustable Pressure Range

+106.0 to 120.0 pounds per square inch

Maximum Operating Pressure

400.0 pounds per square inch single response

Material

copper alloy body

Media For Which Designed

water-oil-gas single response

Style Designator

angle

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
BEMAA07SCC Safety Relief Valve
E9922N51M Safety Relief Valve

Frequently Asked Questions

What is the FSCG of the NSN 4820-01-274-9156?
The FSCG of the NSN 4820-01-274-9156 is 4820
Does the NSN 4820-01-274-9156 have a Schedule B code assigned?
Yes, the Schedule B code is 8481400000
Does NSN 4820-01-274-9156 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 4820-01-274-9156 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-01-274-9156 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 4820-01-274-9156 was assigned to the Federal Catalog?
It was assigned 38 years ago, on Wed, Mar 16, 1988