| 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 | 4 THREADED HOLE FIRST FLANGE ALL CONNECTION FACILITIES |
| 4 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 | 3.453 INCHES NOMINAL |
| WAVEGUIDE OFFSET DISTANCE | 3.453 INCHES NOMINAL |
| WAVEGUIDE OUTSIDE WIDTH | 1.246 INCHES MINIMUM AND |
| 1.254 INCHES MAXIMUM |
| WAVEGUIDE INSIDE WIDTH | 1.118 INCHES MINIMUM AND |
| 1.126 INCHES MAXIMUM |
| WAVEGUIDE INSIDE HEIGHT | 0.493 INCHES MINIMUM AND |
| 0.501 INCHES MAXIMUM |
| WAVEGUIDE OUTSIDE HEIGHT | 0.621 INCHES MINIMUM AND |
| 0.629 INCHES MAXIMUM |
| BEND ANGLE IN DEG | 45.0 SINGLE BEND H-PLANE |
| FLANGE INSIDE WIDTH | 1.118 INCHES MINIMUM AND |
| 1.126 INCHES MAXIMUM FIRST FLANGE |
| 1.253 INCHES MINIMUM AND |
| 1.256 INCHES MAXIMUM SECOND FLANGE |
| FLANGE INSIDE HEIGHT | 0.493 INCHES MINIMUM AND |
| 0.501 INCHES MAXIMUM FIRST FLANGE |
| 0.628 INCHES MINIMUM AND |
| 0.631 INCHES MAXIMUM SECOND FLANGE |
| FLANGE OUTSIDE WIDTH | 1.860 INCHES MINIMUM AND |
| 1.890 INCHES MAXIMUM FIRST FLANGE |
| 1.860 INCHES MINIMUM AND |
| 1.890 INCHES MAXIMUM SECOND FLANGE |
| FLANGE OUTSIDE HEIGHT | 1.860 INCHES MINIMUM AND |
| 1.890 INCHES MAXIMUM FIRST FLANGE |
| 1.860 INCHES MINIMUM AND |
| 1.890 INCHES MAXIMUM SECOND FLANGE |
| FLANGE DEPTH | 0.610 INCHES MINIMUM AND |
| 0.640 INCHES MAXIMUM FIRST FLANGE |
| 0.423 INCHES MINIMUM AND |
| 0.453 INCHES MAXIMUM SECOND FLANGE |
| FLANGE CONNECTING HOLE DIAMETER | 0.169 INCHES MINIMUM AND |
| 0.172 INCHES MAXIMUM SECOND FLANGE ALL CONNECTION FACILITIES |
| THREAD SERIES DESIGNATOR | UNC FIRST FLANGE ALL CONNECTION FACILITIES |
| NOMINAL THREAD SIZE | 0.164 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-3970/11 GOVERNMENT SPECIFICATION |
| FSC APPLICATION DATA | ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT |
| SPEC/STD CONTROLLING DATA | |
| MANUFACTURERS CODE | 81349 |
| NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MIL-W-3970/11 |
| DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | M3970/11-004 |