| CROSS-SECTIONAL SHAPE STYLE | ROUND |
| INSIDE DIAMETER | 8.000 INCHES MINIMUM AND 8.125 INCHES MAXIMUM BOTH ENDS |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | HOSE,AIR DUCT,STRAIGHT,ROUND |
| MATERIAL | COPPER ALLOY BOTH END COUPLINGS |
| MATERIAL | PLASTIC ARAMID REINFORCING CORD |
| MATERIAL | PLASTIC ARAMID ALL PLIES |
| MEASURING METHOD AND LENGTH | 74.000 INCHES MINIMUM OVERALL AND 75.250 INCHES MAXIMUM OVERALL |
| STYLE DESIGNATOR | PERFORATED |