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4820-01-244-2373

Safety Relief Valve

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Official Item Classification

Name
Safety Relief Valve
(NSN) National Stock Number
4820-01-244-2373
(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
11/08/1986 (39 years ago)

disk flow control device, inside spring bonnet type, union bonnet attachment method, spring disk loading method, threaded renewable seat ring type

Specs & Compatibility

Flow Control Device

disk

Bonnet Type

inside spring

Bonnet Attachment Method

union

Disk Loading Method

spring

Renewable Seat Ring Type

threaded

Maximum Operating Temp

150.0 fahrenheit 1st response

Maximum Operating Temp

425.0 fahrenheit 2nd response

Connection Style

socket with brazing ring (tube) all ends

Valve Operation Method

automatic

Connection Type

unthreaded internal tube all ends

Adjustable Pressure Range

+160.0 to 225.0 pounds per square inch

Maximum Operating Pressure

200.0 pounds per square inch 2nd response

Maximum Operating Pressure

400.0 pounds per square inch 1st response

Nominal Outside Diameter Tube Accommodated

0.500 inches all ends

Material

bronze body

Material

nickel alloy flow control device

Material

nickel alloy seat

Material

rubber packing

Material

steel corrosion resisting stem

Media For Which Designed

water-oil-gas single response

Style Designator

angle

Furnished Items And Quantity

1 lever

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
BASAA08SCC Safety Relief Valve
D50UU08 AND D12 Safety Relief Valve
D50UU0B AND D1200 Safety Relief Valve

Frequently Asked Questions

What is the FSCG of the NSN 4820-01-244-2373?
The FSCG of the NSN 4820-01-244-2373 is 4820
Does the NSN 4820-01-244-2373 have a Schedule B code assigned?
Yes, the Schedule B code is 8481400000
Does NSN 4820-01-244-2373 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 4820-01-244-2373 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-01-244-2373 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 4820-01-244-2373 was assigned to the Federal Catalog?
It was assigned 39 years ago, on Sat, Nov 8, 1986