Boeing 747 - Page 91

MILLIMETERS
INCHES
B-B
0.623
(15.82)
DIAMETER
45 ˚
(7.72)
0.304
9 ˚
0.290 DEEP
(7.37)
0.220
(5.6)
DRILL
AND TAP FOR A 6/32 INCH HOLE
DRILL A 0.020 (0.51) DIAMETER HOLE THAT IS CENTERED AT 0.260 (6.6)
MARK THE TRANSDUCER GUIDE NUMBER NDT4123P WHERE SHOWN
MATERIAL: LUCITE
ALL DIMENSIONS ARE IN INCHES (mm IN PARENTHESES)
TOLERENCES:
X.XXX = ± 0.005
X.XX = ± 0.010
ANGLES ± 1 ˚
X.XX = ± 0.1
X.X
= ± 0.25
ANGLES ± 1 ˚
1.920
1.246
(31.65)
0.40
(48.77)
(10.2)
0.30
(7.6)
A-A
0.623
(15.82)
0.815R
(20.70)
NOTES: _____
0.145
(3.68)
0.260
(6.6)
0.191
(4.85)
(FLAT BOTTOM
HOLE)
B
C
A
B
C
A
A A
B
B
2131083 S0000459195_V1
Transducer Positioner NDT4123P
Figure 5
747
NONDESTRUCTIVE TEST MANUAL
PART 4 54-30-10
Page 11
Nov 15/2015D6-7170
ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details
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