Product Details | VACUUM BREAKING VALVE

4820-01-371-5018 An item designed to automatically relieve vacuum, by the intake of air, when the internal pressure falls below atmospheric pressure. See also VALVE, VACUUM REGULATING.

Part Alternates: 1/2 800MQT, 12800MQT, 4820-01-371-5018, 01-371-5018, 4820013715018, 013715018

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 17 FEB 1993 01-371-5018

Drawings & Photos | NSN 4820-01-371-5018


Cross Reference | NSN 4820-01-371-5018

Part Number Cage Code Manufacturer
1/2 800MQT 79227 WATTS REGULATOR CO

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Technical Data | NSN 4820-01-371-5018

Characteristic Specifications
BODY MATERIAL BRONZE
SEAT MATERIAL BRONZE
FLOW CONTROL DEVICE DISK, FLAT
FLOW CONTROL DEVICE MATERIAL RUBBER
END CONNECTION QUANTITY 2
FIRST END CONNECTION TYPE THREADED INTERNAL PIPE
FIRST END STYLE DESIGNATOR G11 PLAIN
FIRST END NOMINAL PIPE SIZE ACCOMMODATED 0.500 INCHES
FIRST END THREAD CLASS 2B
FIRST END THREAD DIRECTION RIGHT-HAND
FIRST END THREAD SERIES DESIGNATOR NPT
FIRST END NOMINAL THREAD SIZE 0.500 INCHES
SECOND END RELATIONSHIP WITH FIRST END NOT IDENTICAL
SECOND END CONNECTION TYPE THREADED EXTERNAL PIPE
SECOND END STYLE DESIGNATOR J6 PLAIN
SECOND END NOMINAL PIPE SIZE ACCOMMODATED 0.500 INCHES
SECOND END THREAD CLASS 3A
SECOND END THREAD DIRECTION RIGHT-HAND
SECOND END THREAD SERIES DESIGNATOR NPT
SECOND END NOMINAL THREAD SIZE 0.500 INCHES
TEMP ADJUSTABILITY NOT ADJUSTABLE

Restrictions/Controls & Freight Information | NSN 4820-01-371-5018

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Precious Metals Indicator Code:UPrecious metal type 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.
Category Code Description
No Freight Information