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4820-01-448-5580

Safety Relief Valve

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Official Item Classification

Name
Safety Relief Valve
(NSN) National Stock Number
4820-01-448-5580
(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
09/03/1997 (29 years ago)

3a all ends thread class, spring disk loading method, 26.0 liters per minute valve discharge flow rate, spool flow control device, right-hand all ends thread direction

Specs & Compatibility

Thread Class

3a all ends

Thread Direction

right-hand all ends

Flow Control Device

spool

Disk Loading Method

spring

Valve Discharge Flow Rate

26.0 liters per minute

Maximum Operating Temp

250.0 fahrenheit single response

Minimum Operating Temp

-40.0 fahrenheit

End Item Identification

supply class aoe

Connection Style

plain (screw-in cartridge) all ends

Valve Operation Method

automatic

Connection Type

threaded cartridge all ends

Adjustable Pressure Range

+20.7 to 124.0 bar

Maximum Operating Pressure

3000.0 pounds per square inch single response

Nominal Thread Size

0.875 inches all ends

Material

aluminum alloy body

Material

rubber fluorocarbon class fpm packing

Media For Which Designed

hydraulic fluid, phosphate-ester base single response

Surface Treatment

anodize

Style Designator

screw-in cartridge

Thread Series Designator

unf all ends

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
PSV7-10V-S-0-18 Safety Relief Valve
PSV7-10X-X-XX Safety Relief Valve

Frequently Asked Questions

What is the FSCG of the NSN 4820-01-448-5580?
The FSCG of the NSN 4820-01-448-5580 is 4820
Does the NSN 4820-01-448-5580 have a Schedule B code assigned?
Yes, the Schedule B code is 8481400000
Does NSN 4820-01-448-5580 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 4820-01-448-5580 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-01-448-5580 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 4820-01-448-5580 was assigned to the Federal Catalog?
It was assigned 29 years ago, on Wed, Sep 3, 1997