| CROSS-SECTIONAL SHAPE STYLE | SEMI-CIRCLE |
| INSIDE DIAMETER | 12.000 INCHES MINIMUM BOTH ENDS |
| INSIDE WIDTH | 0.750 INCHES MINIMUM AND 1.000 INCHES MAXIMUM BOTH ENDS |
| OUTSIDE DIAMETER | 12.125 INCHES MAXIMUM BOTH ENDS |
| OUTSIDE WIDTH | 1.000 INCHES MINIMUM AND 1.500 INCHES MAXIMUM BOTH ENDS |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | HOSE, AIR DUCT STRAIGHT, HALF-ROUND |
| MATERIAL | PLASTIC ARAMID ALL PLIES |
| SPECIAL FEATURES | LENGTH: 24 INCHES LONG; DIRECTION OF OPENING: 4 AND 8 O'CLOCK; TYPE OF OPENING: SLOT; PERMEABILITY RANGE: 40; COLOR: MIDNIGHT BLUE |