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559T-4MP-10 Safety Relief Valve

4820-00-611-5164

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Official Item Classification

Name
Safety Relief Valve
Part Number
559T-4MP-10
(NSN) National Stock Number
4820-00-611-5164
(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
02/05/1975 (51 years ago)

-40.0 fahrenheit 1st response250.0 fahrenheit 2nd response maximum operating temp, poppet flow control device, right-hand all ends thread direction, spring disk loading method, plain (pipe) 1st end connection style

Specs & Compatibility

Thread Direction

right-hand all ends

Flow Control Device

poppet

Disk Loading Method

spring

Maximum Operating Temp

-40.0 fahrenheit 1st response250.0 fahrenheit 2nd response

Connection Style

plain (pipe) 1st end

Connection Style

plain,optional end(pipe) 2nd end

Valve Operation Method

automatic

Connection Type

threaded external pipe 1st end

Connection Type

threaded internal pipe 2nd end

Maximum Operating Pressure

200.0 pounds per square inch single response

Nominal Thread Size

0.500 inches all ends

Opening Pressure Setting

10.0 pounds per square inch

Special Features

inline type

Material

steel corrosion resisting overall

Media For Which Designed

acetylene 2nd response

Media For Which Designed

air 1st response

Media For Which Designed

ammonia, gaseous 3rd response

Media For Which Designed

hydrogen 5th response

Media For Which Designed

refrigerant 12 4th response

Style Designator

straight thru note: to be used for valve bodies of one section only.

Thread Series Designator

npt all ends

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
2888087-1 Safety Relief Valve
559T-4MP-10 Safety Relief Valve

Frequently Asked Questions

What is the FSCG of the NSN 4820-00-611-5164?
The FSCG of the NSN 4820-00-611-5164 is 4820
Does the NSN 4820-00-611-5164 have a Schedule B code assigned?
Yes, the Schedule B code is 8481400000
Does NSN 4820-00-611-5164 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 4820-00-611-5164 contain precious materials?
Precious metal content is unknown
Does NSN 4820-00-611-5164 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 4820-00-611-5164 was assigned to the Federal Catalog?
It was assigned 51 years ago, on Wed, Feb 5, 1975