National Item Identification Number
01-437-8921
014378921
4820-01-437-8921
4820-01-437-8921
National Stock Number
Item Name
POSITIONER,VALVE
Federal Supply Class
4820
Description
A positive positioning relay devised to translate a variable signal pressure into a control pressure to precisely position a valve and to achieve a balanced instrument pressure. It is designed for use with pneumatically operated valves and actuators.
Commercial and Government Entity Code (Supplier Data)
41387
SIEMENS ENERGY & AUTOMATION
1201 SUMNEYTOWN PIKE
PO BOX 900
SPRING HOUSE
PA
19477
215-646-7400
Reference Numbers (Part Numbers)
73N-B
Required Categories
OVERALL LENGTH
OVERALL DIAMETER
GENERAL CHARACTERISTICS ITEM DESCRIPTION
III
Required Description
4.625 INCHES NOMINAL
3.375 INCHES NOMINAL
BOTTOM LOADING
DIRECT ACTING
TARAW