Hydrodynamic stands. The two.

INTERNAL INSULATION LEADING EDGE ( COATED RCC TEE SEAL LEADING EDGE SPAR (INTERNAL INCONEL 718 INSULATION FITTINGS NOT SHOWN) HRSI HRS! AND LRSI FILLER BAR (COATED NOMEX FELT) Figure 4-10.— Thermal protection system interfaces. A-286 BOLTS AND INCONEL BUSHINGS HRSI AND LRSI TILE (COATED 111-900 SILICA) SSII RTV 560 ADHESIVE STRAIN 2 4B ISOLATOR PAD (NOMEX FELT.