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2P500 Safety Relief Valve

4820-00-379-0083

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Official Item Classification

Name
Safety Relief Valve
Part Number
2P500
(NSN) National Stock Number
4820-00-379-0083
(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
01/01/1961 (65 years ago)

spring disk loading method, 1.250 inches 1st end nominal pipe size accommodated, right-hand 1st end thread direction, disk flow control device, 468.0 cubic feet per minute valve discharge flow rate

Specs & Compatibility

Nominal Pipe Size Accommodated

1.250 inches 1st end

Thread Direction

right-hand 1st end

Flow Control Device

disk

Disk Loading Method

spring

Valve Discharge Flow Rate

468.0 cubic feet per minute

Connection Style

plain (pipe) 1st end

Valve Operation Method

automatic

Connection Type

threaded external pipe 1st end

Features Provided

pressure tight outlet side

Thread Quantity Per Inch

11-1/2 1st end

Maximum Operating Pressure

250.0 pounds per square inch single response

Nominal Thread Size

1.250 inches 1st end

Opening Pressure Setting

125.0 pounds per square inch

Material

copper alloy body

Material

copper alloy flow control device

Material

copper alloy seat

Media For Which Designed

air single response

Style Designator

straight thru

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
1-11-4IN125LBAIR Safety Relief Valve
2P500 Safety Relief Valve
X1396T6-125 Safety Relief Valve

Frequently Asked Questions

What is the FSCG of the NSN 4820-00-379-0083?
The FSCG of the NSN 4820-00-379-0083 is 4820
Does the NSN 4820-00-379-0083 have a Schedule B code assigned?
Yes, the Schedule B code is 8481400000
Does NSN 4820-00-379-0083 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 4820-00-379-0083 contain precious materials?
Precious metal content is unknown
Does NSN 4820-00-379-0083 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 4820-00-379-0083 was assigned to the Federal Catalog?
It was assigned 65 years ago, on Sun, Jan 1, 1961