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4820-01-283-5689

Safety Relief Valve

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Official Item Classification

Name
Safety Relief Valve
(NSN) National Stock Number
4820-01-283-5689
(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
08/09/1988 (38 years ago)

stem flow control device, 100.0 gallons per minute valve discharge flow rate, 2a 1st end thread class, right-hand 1st end thread direction, spring disk loading method

Specs & Compatibility

Thread Class

2a 1st end

Thread Direction

right-hand 1st end

Flow Control Device

stem

Disk Loading Method

spring

Valve Discharge Flow Rate

100.0 gallons per minute

Valve Operation Method

automatic

Maximum Operating Pressure

5000.0 pounds per square inch single response

Nominal Thread Size

1.625 inches 1st end

Material

aluminum alloy body

Style Designator

straight thru

Thread Series Designator

unf 1st end

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
IL60-F-15S22 Safety Relief Valve
IL60-F15S-22 Safety Relief Valve

Frequently Asked Questions

What is the FSCG of the NSN 4820-01-283-5689?
The FSCG of the NSN 4820-01-283-5689 is 4820
Does the NSN 4820-01-283-5689 have a Schedule B code assigned?
Yes, the Schedule B code is 8481400000
Does NSN 4820-01-283-5689 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 4820-01-283-5689 contain precious materials?
Precious metal content is unknown
Does NSN 4820-01-283-5689 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 4820-01-283-5689 was assigned to the Federal Catalog?
It was assigned 38 years ago, on Tue, Aug 9, 1988