TM 9-2320-272-24-4
5-5. VALVE SEAT INSERTS MAINTENANCE (Contd)
Table 5-2. Valve Seat Specifications.
CYLINDER HEAD
CYLINDER HEAD
INSERT
COUNTERBORE
INSERT
VALVE SEAT
THICKNESS
INSIDE DIAMETER
OUTSIDE DIAMETER
COUNTERBORE DEPTH
0.278 - 0.282 in.
1.9995 - 2.0005 in.
2.0025 - 2.0035 in.
Standard
(7.0612 - 7.1629 mm)
(50.787 - 50.813 mm)
(50.864 - 50.889 mm)
5-23
