Product Details | STEAM AIR VENTING VALVE

4520-00-203-9792 An automatic valve designed to relieve, automatically, accumulated air in various types of steam heating systems.

Part Alternates: PF24390620BCE4, PF24-3906-20BCE4 , 148827 , 148829, 4, 4520-00-203-9792, 00-203-9792, 4520002039792, 002039792

Plumbing, Heating, and Waste Disposal Equipment | Space and Water Heating Equipment

Supply Group (FSG) NSN Assign. NIIN
45 01 JAN 1963 00-203-9792

Demand History | NSN 4520-00-203-9792

Part Number Request Date QTY Origin
4 2022-03-75 0
4 2022-03-70 0
4 2018-03-74 7
4 2016-04-110 40 US

Cross Reference | NSN 4520-00-203-9792

Part Number Cage Code Manufacturer
4 37794 MAID-O-MIST DIVISION SUNROC CORP

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Technical Data | NSN 4520-00-203-9792

Characteristic Specifications
VALVE CONNECTION SIZE 0.125 INCHES
VALVE TYPE STEAM RADIATOR AIR VENT
MAXIMUM OPERATING PRESSURE 10.0 POUNDS PER SQUARE INCH
VALVE WATER PRESSURE POSITION OPEN
VALVE AIR RETURN PREVENTION REQUIRED
VALVE SHAPE ANGLED
MATERIAL BRASS
SURFACE TREATMENT NICKEL
NONDEFINITIVE SPEC/STD DATA 2 TYPE

Restrictions/Controls & Freight Information | NSN 4520-00-203-9792

Category Code Description
Shelf-Life Code:0Nondeteriorative
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.
Controlled Inventory Item Code:UUNCLASSIFIED
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
NMF Description 051080 FAUCETS,BIBCOCKS,GATES VALVES
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 576 unknown
Originating Activity Code XX
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity B Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable
NMF Description 128000 PUMPS PWR NOI/WORKING HEADS/PARTS
Less than car load rating
Less than truck load rating M 85.0
Water commodity Code 594 unknown
Originating Activity Code XX
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity
Air Special Handling Z No special handling required.
Special Handling Code Z unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable

Management | NSN 4520-00-203-9792

Category Code Description
Cognizance Codes9ZNavy-owned stocks of defense industrial material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesYTERMINAL ITEM #(NON-STOCKED ITEMS) Future procurement is not authorized. No wholesale stock is available for issue. 1. Requisitions will not be processed to the wholesale manager. 2. Internal Service/agency requisitioning may be continued in accordance with the Service/agency requisitioning policies.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
Z
EA : Each