| AAGR | CROSS-SECTIONAL SHAPE STYLE | |
| AHRV | TUBING WALL CONSTRUCTION STYLE | |
| AHSF | FLANGE QUANTITY | 2 |
| AHSX | FLANGE INSIDE WIDTH | FIRST FLANGE INCHES MINIMUM 1.119 AND INCHES MAXIMUM 1.125 |
| AHSX | FLANGE INSIDE WIDTH | SECOND FLANGE INCHES MINIMUM 1.253 AND INCHES MAXIMUM 1.256 |
| AHSY | FLANGE INSIDE HEIGHT | FIRST FLANGE INCHES MINIMUM 0.494 AND INCHES MAXIMUM 0.500 |
| AHSY | FLANGE INSIDE HEIGHT | SECOND FLANGE INCHES MINIMUM 0.628 AND INCHES MAXIMUM 0.631 |
| AHSZ | FLANGE OUTSIDE WIDTH | FIRST FLANGE INCHES NOMINAL 1.875 |
| AHSZ | FLANGE OUTSIDE WIDTH | SECOND FLANGE INCHES NOMINAL 1.875 |
| AHTA | FLANGE OUTSIDE HEIGHT | FIRST FLANGE INCHES NOMINAL 1.875 |
| AHTA | FLANGE OUTSIDE HEIGHT | SECOND FLANGE INCHES NOMINAL 1.875 |
| AHTD | FLANGE DEPTH | FIRST FLANGE INCHES NOMINAL 0.625 |
| AHTD | FLANGE DEPTH | SECOND FLANGE INCHES NOMINAL 0.188 |
| AHTN | FLANGE CONNECTING HOLE DIAMETER | FIRST FLANGE FIRST CONNECTION FACILITY INCHES MINIMUM 0.167 |
| AHTN | FLANGE CONNECTING HOLE DIAMETER | FIRST FLANGE SECOND CONNECTION FACILITY INCHES MAXIMUM 0.172 |
| AHTN | FLANGE CONNECTING HOLE DIAMETER | SECOND FLANGE FIRST CONNECTION FACILITY INCHES MINIMUM 0.167 |
| AHTN | FLANGE CONNECTING HOLE DIAMETER | SECOND FLANGE SECOND CONNECTION FACILITY INCHES MAXIMUM 0.175 |
| CQHN | WAVEGUIDE OUTSIDE WIDTH | INCHES MINIMUM 1.246 AND INCHES MAXIMUM 1.254 |
| CQQF | OPERATING PRESSURE | POUNDS PER SQUARE INCH GAUGE (PSIG) MAXIMUM 10.0 |
| CRFH | WAVEGUIDE INSIDE WIDTH | INCHES MINIMUM 1.118 AND INCHES MAXIMUM 1.126 |
| CRLB | WAVEGUIDE INSIDE HEIGHT | INCHES MINIMUM 0.494 AND INCHES MAXIMUM 0.501 |
| CSFC | WAVEGUIDE OUTSIDE HEIGHT | INCHES MINIMUM 0.621 AND INCHES MAXIMUM 0.629 |
| CSQT | FLANGE CONNECTING FACILITY AND QUANTITY | FIRST FLANGE SINGLE CONNECTION FACILITY UNTHREADED HOLE(S) 4 |
| CSQT | FLANGE CONNECTING FACILITY AND QUANTITY | SECOND FLANGE SINGLE CONNECTION FACILITY UNTHREADED HOLE(S) 4 |
| CTCJ | FLANGE STYLE | |
| CTFD | WAVEGUIDE LENGTH | INCHES MINIMUM 4.810 AND INCHES MAXIMUM 4.830 |
| FLEX | FLEXIBILITY | SINGLE TUBING SEGMENT RIGID |
| MATT | MATERIAL | SINGLE TUBING SEGMENT COPPER ALLOY |
| PMLC | PRECIOUS MATERIAL AND LOCATION | SILVER INTERNAL TUBING SURFACE |
| SFTT | SURFACE TREATMENT | ALL FLANGE OUTSIDE SURFACES ENAMEL |
| SFTT | SURFACE TREATMENT | SINGLE TUBING SEGMENT INSIDE SURFACES SILVER |
| SFTT | SURFACE TREATMENT | SINGLE TUBING SEGMENT OUTSIDE SURFACES ENAMEL |
| STYL | STYLE DESIGNATOR | |