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4820-01-643-9841

Vacuum Breaking Valve

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Featured Parts

SY6260915-201
5340-01-671-0371
T Bracket
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5355-01-671-0373
Knob
SY6260924-201
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Mounting Plate
SY6260926-201
4730-01-671-0377
Pipe Cap
SY6260930-101
5340-01-671-0428
Turnbuckle
SY6719103-101
5340-01-671-6799
Runner
SY6719103-102
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Runner
SY6719302-201
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Detent Plunger

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Official Item Classification

Name
Vacuum Breaking Valve
(NSN) National Stock Number
4820-01-643-9841
(FSG) Federal Supply Group
48 Valves
(FSC) Federal Supply Classification
4820 Nonpowered Valves
(INC) Item Name Code
08101
(FIIG) Federal Item Identification Guide
A07100
Date
04/17/2015 (11 years ago)

"angle give "adqm" and "adqn" only if flanged one or two ends" body style, threaded internal pipe first end connection type, unable to decode body material, water, fresh media for which designed, 180.0 fahrenheit temp rating

Specs & Compatibility

Body Material

unable to decode

Body Style

"angle give "adqm" and "adqn" only if flanged one or two ends"

Temp Rating

180.0 fahrenheit

Media For Which Designed

water, fresh

First End Connection Type

threaded internal pipe

First End Nominal Pipe Size Accommodated

1.250 inches

Flow Control Device

disk, top guided

End Item Identification

valve, pressure

Part Name Assigned By Controlling Agency

hot or cold water anti-siphon vacuum breaker

Special Features

max working pressure: 125 psi

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

0008101

Related Hardware Products

Part Number Description
0792041 Vacuum Breaking Valve
1 1/4 LF288AM2 Vacuum Breaking Valve

Frequently Asked Questions

What is the FSCG of the NSN 4820-01-643-9841?
The FSCG of the NSN 4820-01-643-9841 is 4820
Does the NSN 4820-01-643-9841 have a Schedule B code assigned?
Yes, the Schedule B code is 8481809050
Does NSN 4820-01-643-9841 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 4820-01-643-9841 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-01-643-9841 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 4820-01-643-9841 was assigned to the Federal Catalog?
It was assigned 11 years ago, on Fri, Apr 17, 2015