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4820-01-237-2806

Safety Relief Valve

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Official Item Classification

Name
Safety Relief Valve
(NSN) National Stock Number
4820-01-237-2806
(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
07/29/1986 (40 years ago)

disk flow control device, bolted bonnet attachment method, inside screw bonnet type, 150.0 fahrenheit single response maximum operating temp, shipboard material handling equipment(mhe) end item identification

Specs & Compatibility

Flow Control Device

disk

Bonnet Type

inside screw

Bonnet Attachment Method

bolted

Maximum Operating Temp

150.0 fahrenheit single response

End Item Identification

shipboard material handling equipment(mhe)

Connection Style

socket with brazing ring (tube) all ends

Valve Operation Method

automatic

Connection Type

unthreaded internal tube 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

Nominal Outside Diameter Tube Accommodated

0.250 inches all ends

Material

copper alloy body

Material

nickel alloy flow control device

Material

nickel alloy seat

Material

nickel alloy stem

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
20194NS41M Safety Relief Valve
D50UU-106T120 1/4IN Safety Relief Valve

Frequently Asked Questions

What is the FSCG of the NSN 4820-01-237-2806?
The FSCG of the NSN 4820-01-237-2806 is 4820
Does the NSN 4820-01-237-2806 have a Schedule B code assigned?
Yes, the Schedule B code is 8481400000
Does NSN 4820-01-237-2806 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 4820-01-237-2806 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-01-237-2806 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 4820-01-237-2806 was assigned to the Federal Catalog?
It was assigned 40 years ago, on Tue, Jul 29, 1986