4520-00-203-4987

Steam Air Venting Valve email this page

Model or part number: WWV151

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pdf NSN 4520-00-203-4987 Datasheet

MRC:
The maximum pressure at which an item is designed to operate.AAJJ
Maximum Operating Pressure:
10.0 pounds per square inch
MRC:
Designates the size of the valve connection included on the item.ASHG
Valve Connection Size:
0.125 inches
MRC:
Indicates the type of valve.ASHM
Valve Type:
Steam radiator air vent
MRC:
An indication of the valve position against applied water pressure.ASHS
Valve Water Pressure Position:
Closed
MRC:
An indication of whether or not the valve is required to prevent the return of air.ASHT
Valve Air Return Prevention:
Required
MRC:
The physical configuration of the valve.ASHW
Valve Shape:
Straight w/female tapped drip connection
MRC:
The element,compound,or mixture of which an item is fabricated,excluding any surface treatment.MATL
Material:
Brass
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Copper alloy
MRC:
The metallic,nonmetallic,and/or chemical properties with which the item is plated,dipped,and/or coated.the treatment is designed to protect the surface(s) and cannot be wiped off.SFTT
Surface Treatment:
Chromium
MRC:
Consists of plating,dip,and/or coating that cannot be wiped off.plating and/or coating is any chemical and/or metallic additive,electrochemical,or mild mechanical process which protects a surface.SURF
Surface Treatment:
Chromium
MRC:
The number,letter,or symbol that indicates the type,style,grade,class,and the like,of an item in a nonidentifying specification or standard.ZZZT
Specification Or Standard:
Ii type
MRC:
--
NIIN:
002034987
MRC:
--
NATO Stock Number:
4520-00-203-4987
MRC:
--
Shelf Life:
N/A
MRC:
--
UOM:
--
MRC:
--
DEMIL:
No
FIIG:
--
FIIG:
T114-A
MRC:
--
INC:
04906
MRC:
--
IMM:
KZ
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Factory New, New Material, New Surplus, Overhauled, Serviceable, Repairable, and AS Removed / Used material will be accompanied by a Certificate of Conformance, and any other documents/trace when applicable. We have a 7 year record retention.

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Quality | ISO 9001:2015 + AS9120B

We are committed to quality and follow an AS9120 quality management system. AeroBase Group is HAZMAT certified and registered with DDTC, ITAR, and Aviation Suppliers Association (ASA). All products are 100% inspected.

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Shipping

Delivery of IN-STOCK orders ship same-day when order is placed before 2:00 PM EST.

Delivery dates for NON-STOCK items are estimates based on current backlog and are subject to confirmation at the time of order.

Formal Definition

Government issue definition of NSN 4520-00-203-4987

An automatic valve designed to relieve, automatically, accumulated air in various types of steam heating systems.

Import / Export

Schedule B Classification
Schedule B Number
NAIC National Association of Insurance Commissioners
End Use A classification system for U.S. exported and imported merchandise based on principal use rather than the physical characteristics of the merchandise. End-Use codes are assigned by the Bureau of Economic Analysis under the U.S. Department of Commerce.
SITC Commodity classification system defined by the United Nations.
USDA
HITECH
Schedule B:
8481100090
NAICS:
332911
End Use Class:
21180
SITC:
74710
USDA:
1
HITECH:
0

Schedule B Codes Definitions:

Schedule B 8481100090

Reducing Valves, Nesoi Pressure

End Use Code 21180

Industrial Machines, Other

Standard Intl. Trade Class (SITC) 74710

Reducing Valves Pressure

Manufacturers

This NSN is registered to the following cage codes.
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