National Item Identification Number
01-167-8422
011678422
4820-01-167-8422
4820-01-167-8422
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)
96169
96169
96169
Reference Numbers (Part Numbers)
SS 845-2445177 PIECE 29 1/2IN
2620-902PC25,0.500IN
2632-903X6 PIECE 29 1/2IN;
Required Categories
MATERIAL
HARDNESS RATING
SEATING SURFACE SHAPE
SEAT ANGLE IN DEG
THREAD SERI
Required Description
NICKEL ALLOY SEAT
NOT RATED
ANGULAR
45.000 NOMINAL
UNS SINGLE THREADED PORTI