National Item Identification Number

00-320-7320
003207320
4810-00-320-7320
4810-00-320-7320

National Stock Number

Item Name

SEAT,VALVE

Federal Supply Class

4810

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)

---

59364

---

---

70210

---

---

99193

---

---

Reference Numbers (Part Numbers)

99593-7
99593-7
99593-7
99593-7

Required Categories

OVERALL HEIGHT
MATERIAL
HARDNESS RATING
SEATING SURFACE SHAPE
SEAL ACCOMMODA

Required Description

1.230 INCHES MINIMUM AND
1.250 INCHES MAXIMUM
STEEL OVERALL
39.0 ROCKWELL C N