National Item Identification Number
01-435-4570
014354570
4820-01-435-4570
4820-01-435-4570
National Stock Number
Item Name
SEAT,VALVE
Federal Supply Class
4820
Description
A replaceable item designed to provide a circular stationary seating surface for a mating, moveable item such as a valve disk or the like. The body may have a flange of various shapes. For diesel and gasoline reciprocating engines, see INSERT, ENGINE VALVE SEAT.
Commercial and Government Entity Code (Supplier Data)
61661
61661
Reference Numbers (Part Numbers)
A0424-00
A0424-00 ITEM 2
Required Categories
MATERIAL
MATERIAL DOCUMENT AND CLASSIFICATION
HARDNESS RATING
SEATING SURFACE
Required Description
STEEL OVERALL
ASTM A182 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOT RATED
A