TM 55-1520-240-23-11
E-53
AFT LANDING GEAR DRAG LINK/SHOCK STRUT LINERS, 145L2330/SK31250
E-53
PREFERRED
1.
ALL DIAMETERS CONCENTRIC WITHIN 0.005
(TIR) TOTAL INDICATOR READING.
2.
MACHINE FINISH 32 AA.
3.
CADMIUM PLATE PER QQ-P-416.
4.
HEAT TREAT 145L2330-2, -3 TO 150-170 KSI
UTS. HEAT TREAT SK31250 TO 180-200 KSI
UTS.
5.
MATERIAL: 4340 STEEL BAR PER AMS 6415
OR MIL-S-5000 (E366.1).
6.
BREAK SHARP EDGES 0.005 MAX.
ALTERNATE
1.
MATERIAL: 4340 CONDITION N.
2.
ALL DIAMETERS CONCENTRIC WITHIN 0.005
TIR.
3.
BREAK SHARP EDGES 0.005 MAX.
END OF TASK
E-130
Change 1
