National Item Identification Number

01-234-1759
012341759
4820-01-234-1759
4820-01-234-1759

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)

---

Reference Numbers (Part Numbers)

A-27820-152
A-27820-152 PIECE 4

Required Categories

STYLE DESIGNATOR
FLANGE DIAMETER
BODY OUTSIDE DIAMETER
BODY INSIDE DIAMETER;

Required Description

B7 PLAIN FLANGED
12.250 INCHES NOMINAL
11.500 INCHES NOMINAL
11.125 INCHES NO