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4820-01-331-3556

Safety Relief Valve

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Featured Parts

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Nonmetallic Tubing
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Tube Reducer
COBRA 7 INCH TO 4-3-2 INCH
4730-01-699-8139
Tube Reducer
COBRA-XL-F-HC
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Buckle
COBRA-XL-M-HC
5340-01-586-4116
Buckle
COD-1249
5940-01-481-7883
Terminal Board
CODA-XAN
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Check Valve
CODA XAV
4820-01-225-6921
Check Valve Cartridge

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Official Item Classification

Name
Safety Relief Valve
(NSN) National Stock Number
4820-01-331-3556
(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
12/18/1990 (35 years ago)

+15.0 to 20.0 pounds per square inch adjustable pressure range

Specs & Compatibility

Adjustable Pressure Range

+15.0 to 20.0 pounds per square inch

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
DL0-40G/B-2 OPT L 15-20 PSI Safety Relief Valve
NMP1111 OPT L Safety Relief Valve
NMP1111G05G0015 Safety Relief Valve

Frequently Asked Questions

What is the FSCG of the NSN 4820-01-331-3556?
The FSCG of the NSN 4820-01-331-3556 is 4820
Does the NSN 4820-01-331-3556 have a Schedule B code assigned?
Yes, the Schedule B code is 8481400000
Does NSN 4820-01-331-3556 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 4820-01-331-3556 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-01-331-3556 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 4820-01-331-3556 was assigned to the Federal Catalog?
It was assigned 35 years ago, on Tue, Dec 18, 1990