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4820-01-445-1013

Safety Relief Valve

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Official Item Classification

Name
Safety Relief Valve
(NSN) National Stock Number
4820-01-445-1013
(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
05/23/1997 (29 years ago)

2a all ends thread class, poppet flow control device, 250.0 fahrenheit single response maximum operating temp, spring disk loading method, right-hand all ends thread direction

Specs & Compatibility

Thread Class

2a all ends

Thread Direction

right-hand all ends

Flow Control Device

poppet

Disk Loading Method

spring

Maximum Operating Temp

250.0 fahrenheit single response

End Item Identification

blue ridge class lcc-19

Connection Style

plain (screw-in cartridge) all ends

Valve Operation Method

automatic

Connection Type

threaded cartridge all ends

Adjustable Pressure Range

+100.0 to 2000.0 pounds per square inch

Maximum Operating Pressure

3500.0 pounds per square inch single response

Nominal Thread Size

0.875 inches all ends

Special Features

cartridge type; pilot-operated

Material

steel body

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
40NNS551 ITEM 4.0 Safety Relief Valve
RA101S20 Safety Relief Valve
RAH101520 Safety Relief Valve

Frequently Asked Questions

What is the FSCG of the NSN 4820-01-445-1013?
The FSCG of the NSN 4820-01-445-1013 is 4820
Does the NSN 4820-01-445-1013 have a Schedule B code assigned?
Yes, the Schedule B code is 8481400000
Does NSN 4820-01-445-1013 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 4820-01-445-1013 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-01-445-1013 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 4820-01-445-1013 was assigned to the Federal Catalog?
It was assigned 29 years ago, on Fri, May 23, 1997