Product Details | VENT-CHECK VALVE

4820-01-572-9954 A dual purpose marine valve used primarily with shipboard cargo tanks and bulkheads. It acts both as a vent valve, to relieve vacuum and pressure, and a check valve, to prevent cargo contamination. It is equipped with an internal flame screen and/or a protective mesh and may include a hinged cover.

Part Alternates: 020210153L, 4820-01-572-9954, 01-572-9954, 4820015729954, 015729954

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 02 APR 2009 01-572-9954

Cross Reference | NSN 4820-01-572-9954

Part Number Cage Code Manufacturer
020210153L 09032 TATE ANDALE, INC.

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Technical Data | NSN 4820-01-572-9954

Characteristic Specifications
SPECIAL FEATURES 52-20F VENTS ND50 FLANGES (S/SMETRIC) 155MM OD FLAT FLANGE,BOLTING 8 HOLES DIA ON 130MM P.C.D. 316SS CAST CONSTRUCTION,COPPER FLOAT,STAINLESS SCREENS
MATERIAL COPPER FLOW CONTROL DEVICE
PART NAME ASSIGNED BY CONTROLLING AGENCY INVERTED VENT CHECK VALVE
SUPPLEMENTARY FEATURES INVERTED VENT CHECK VALVE;SCREEN 40 MESH FLAME AND 1/4INCH SQUARE PROTECTIVE
END ITEM IDENTIFICATION MARINE SUPPORT EQUIPMENT
MATERIAL STEEL COMP 316 BODY

Restrictions/Controls & Freight Information | NSN 4820-01-572-9954

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.
Electro-static Discharge Susceptible:ANo known Electrostatic Discharge (ESD) or Electromagnetic Interference (EMI) sensitivity
Precious Metals Indicator Code:AItem 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.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
Category Code Description
No Freight Information