National Item Identification Number
01-310-0020
013100020
4820-01-310-0020
4820-01-310-0020
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
Reference Numbers (Part Numbers)
MV-21F3-2
Required Categories
STYLE DESIGNATOR
MATERIAL
SURFACE TREATMENT
Required Description
B6 PLAIN
STEEL SEAT
CHROMIUM SEAT
