National Item Identification Number

00-052-3111
000523111
4520-00-052-3111
4520000523111

National Stock Number

Item Name

VALVE,AIR VENTING,STEAM

Federal Supply Class

4520

Description

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

Commercial and Government Entity Code (Supplier Data)

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Reference Numbers (Part Numbers)

Required Categories

VALVE CONNECTION SIZE
VALVE TYPE
MAXIMUM OPERATING PRESSURE
VALVE WATER PRESS

Required Description

0.750 INCHES
QUICK AIR VENT
250.0 POUNDS PER SQUARE INCH
CLOSED
REQUIRED
AN