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4820-01-062-3762

Safety Relief Valve

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Official Item Classification

Name
Safety Relief Valve
(NSN) National Stock Number
4820-01-062-3762
(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
07/15/1978 (48 years ago)

inside spring bonnet type, spring disk loading method, right-hand 1st end thread direction, disk flow control device, threaded bonnet attachment method

Specs & Compatibility

Thread Direction

right-hand 1st end

Flow Control Device

disk

Bonnet Type

inside spring

Bonnet Attachment Method

threaded

Disk Loading Method

spring

Valve Discharge Flow Rate

130.0 cubic feet per minute

Maximum Operating Temp

300.0 fahrenheit single response

Connection Style

plain (pipe) 1st end

Valve Operation Method

automatic or manual

Connection Type

threaded external pipe 1st end

Maximum Operating Pressure

225.0 pounds per square inch single response

Nominal Thread Size

0.500 inches 1st end

Opening Pressure Setting

175.0 pounds per square inch

Material

copper alloy overall

Media For Which Designed

air single response

Style Designator

angle

Thread Series Designator

npt 1st end

Regulatory Compliance

Precious Metals Indicator
U

Precious metal content is unknown

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
48A-1/2IN-175PSI Safety Relief Valve
68435 Safety Relief Valve

Frequently Asked Questions

What is the FSCG of the NSN 4820-01-062-3762?
The FSCG of the NSN 4820-01-062-3762 is 4820
Does the NSN 4820-01-062-3762 have a Schedule B code assigned?
Yes, the Schedule B code is 8481400000
Does NSN 4820-01-062-3762 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 4820-01-062-3762 contain precious materials?
Precious metal content is unknown
Does NSN 4820-01-062-3762 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 4820-01-062-3762 was assigned to the Federal Catalog?
It was assigned 48 years ago, on Sat, Jul 15, 1978