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4820-01-268-4043

Safety Relief Valve

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Official Item Classification

Name
Safety Relief Valve
(NSN) National Stock Number
4820-01-268-4043
(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
11/29/1987 (38 years ago)

threaded bonnet attachment method, logistics support vessel end item identification, spring disk loading method, plain (screw-in cartridge) all ends connection style, inside screw bonnet type

Specs & Compatibility

Bonnet Type

inside screw

Bonnet Attachment Method

threaded

Disk Loading Method

spring

End Item Identification

logistics support vessel

Connection Style

plain (screw-in cartridge) all ends

Valve Operation Method

automatic

Connection Type

threaded cartridge all ends

Adjustable Pressure Range

+100.0 to 3000.0 pounds per square inch

Special Features

cartridge type

Material

steel body

Style Designator

screw-in cartridge

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
RPGC-JAN Safety Relief Valve

Frequently Asked Questions

What is the FSCG of the NSN 4820-01-268-4043?
The FSCG of the NSN 4820-01-268-4043 is 4820
Does the NSN 4820-01-268-4043 have a Schedule B code assigned?
Yes, the Schedule B code is 8481400000
Does NSN 4820-01-268-4043 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 4820-01-268-4043 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-01-268-4043 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 4820-01-268-4043 was assigned to the Federal Catalog?
It was assigned 38 years ago, on Sun, Nov 29, 1987