| STYLE DESIGNATOR | CORNER 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 | 4 THREADED HOLE FIRST FLANGE SINGLE CONNECTION FACILITY |
| 4 UNTHREADED HOLE SECOND FLANGE SINGLE CONNECTION FACILITY |
| FLANGE STYLE | CHOKE TYPE FIRST FLANGE |
| COVER TYPE SECOND FLANGE |
| FLEXIBILITY | RIGID SINGLE TUBING SEGMENT |
| MATERIAL | COPPER ALLOY ALL FLANGE |
| WAVEGUIDE LONGER OFFSET DISTANCE | 1.708 INCHES NOMINAL |
| WAVEGUIDE OFFSET DISTANCE | 1.708 INCHES NOMINAL |
| WAVEGUIDE OUTSIDE WIDTH | 1.250 INCHES NOMINAL |
| WAVEGUIDE INSIDE WIDTH | 1.122 INCHES NOMINAL |
| WAVEGUIDE INSIDE HEIGHT | 0.497 INCHES NOMINAL |
| WAVEGUIDE OUTSIDE HEIGHT | 0.625 INCHES NOMINAL |
| BEND ANGLE IN DEG | 60.0 SINGLE BEND E-PLANE |
| FLANGE INSIDE WIDTH | 1.122 INCHES NOMINAL FIRST FLANGE |
| 1.253 INCHES NOMINAL SECOND FLANGE |
| FLANGE INSIDE HEIGHT | 0.497 INCHES NOMINAL FIRST FLANGE |
| 0.628 INCHES NOMINAL SECOND FLANGE |
| FLANGE OUTSIDE WIDTH | 1.875 INCHES NOMINAL FIRST FLANGE |
| 1.875 INCHES NOMINAL SECOND FLANGE |
| FLANGE OUTSIDE HEIGHT | 1.875 INCHES NOMINAL FIRST FLANGE |
| 1.875 INCHES NOMINAL SECOND FLANGE |
| FLANGE DEPTH | 0.625 INCHES NOMINAL FIRST FLANGE |
| 0.438 INCHES NOMINAL SECOND FLANGE |
| FLANGE CONNECTING HOLE DIAMETER | 0.169 INCHES NOMINAL SECOND FLANGE SINGLE CONNECTION FACILITY |
| THREAD SERIES DESIGNATOR | UNC FIRST FLANGE SINGLE CONNECTION FACILITY |
| NOMINAL THREAD SIZE | 0.164 INCHES FIRST FLANGE SINGLE CONNECTION FACILITY |
| THREAD CLASS | 2B FIRST FLANGE SINGLE CONNECTION FACILITY |
| THREAD DIRECTION | RIGHT-HAND FIRST FLANGE SINGLE CONNECTION FACILITY |
| SPECIFICATION/STANDARD DATA | 81349-MIL-W-3970/15 GOVERNMENT SPECIFICATION |
| SPEC/STD CONTROLLING DATA | |
| MANUFACTURERS CODE | 81349 |
| NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MIL-W-3970/15 |
| DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | M3970/15-004 |