| STYLE DESIGNATOR | BEND TYPE |
| CROSS-SECTIONAL SHAPE STYLE | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| TUBING WALL CONSTRUCTION STYLE | SEAMLESS SINGLE TUBING SEGMENT |
| FLANGE QUANTITY | 2 |
| FLANGE CONNECTING FACILITY AND QUANTITY | 8 THREADED HOLE FIRST FLANGE ALL CONNECTION FACILITIES |
| 8 UNTHREADED HOLE SECOND FLANGE ALL CONNECTION FACILITIES |
| FLANGE STYLE | CHOKE TYPE FIRST FLANGE |
| COVER TYPE SECOND FLANGE |
| FLEXIBILITY | RIGID SINGLE TUBING SEGMENT |
| MATERIAL | COPPER ALLOY ALL TUBING SEGMENT AND FLANGE |
| WAVEGUIDE LONGER OFFSET DISTANCE | 7.000 INCHES NOMINAL |
| WAVEGUIDE OFFSET DISTANCE | 7.000 INCHES NOMINAL |
| WAVEGUIDE OUTSIDE WIDTH | 1.995 INCHES MINIMUM AND |
| 2.005 INCHES MAXIMUM |
| WAVEGUIDE INSIDE WIDTH | 1.867 INCHES MINIMUM AND |
| 1.877 INCHES MAXIMUM |
| WAVEGUIDE INSIDE HEIGHT | 0.867 INCHES MINIMUM AND |
| 0.877 INCHES MAXIMUM |
| WAVEGUIDE OUTSIDE HEIGHT | 0.995 INCHES MINIMUM AND |
| 1.005 INCHES MAXIMUM |
| BEND ANGLE IN DEG | 90.0 SINGLE BEND E-PLANE |
| FLANGE INSIDE WIDTH | 1.867 INCHES MINIMUM AND |
| 1.877 INCHES MAXIMUM FIRST FLANGE |
| 2.002 INCHES MINIMUM AND |
| 2.005 INCHES MAXIMUM SECOND FLANGE |
| FLANGE INSIDE HEIGHT | 0.867 INCHES MINIMUM AND |
| 0.877 INCHES MAXIMUM FIRST FLANGE |
| 1.002 INCHES MINIMUM AND |
| 1.005 INCHES MAXIMUM SECOND FLANGE |
| FLANGE OUTSIDE DIAMETER | 3.610 INCHES MINIMUM AND |
| 3.640 INCHES MAXIMUM FIRST FLANGE |
| 3.610 INCHES MINIMUM AND |
| 3.640 INCHES MAXIMUM SECOND FLANGE |
| FLANGE DEPTH | 0.923 INCHES MINIMUM AND |
| 0.953 INCHES MAXIMUM FIRST FLANGE |
| 0.360 INCHES MINIMUM AND |
| 0.390 INCHES MAXIMUM SECOND FLANGE |
| FLANGE CONNECTING HOLE DIAMETER | 0.199 INCHES MINIMUM AND |
| 0.203 INCHES MAXIMUM SECOND FLANGE ALL CONNECTION FACILITIES |
| THREAD SERIES DESIGNATOR | UNF FIRST FLANGE ALL CONNECTION FACILITIES |
| NOMINAL THREAD SIZE | 0.190 INCHES FIRST FLANGE ALL CONNECTION FACILITIES |
| THREAD CLASS | 2B FIRST FLANGE ALL CONNECTION FACILITIES |
| THREAD QUANTITY PER INCH | 32 FIRST FLANGE ALL CONNECTION FACILITIES |
| THREAD DIRECTION | RIGHT-HAND FIRST FLANGE ALL CONNECTION FACILITIES |
| SPECIFICATION/STANDARD DATA | 81349-MIL-W-3970/7 GOVERNMENT SPECIFICATION |
| FSC APPLICATION DATA | ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT |
| SPEC/STD CONTROLLING DATA | |
| MANUFACTURERS CODE | 81349 |
| NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MIL-DTL-3970/7 |
| DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | M3970/7-002 |