| MATERIAL | STEEL |
| SURFACE TREATMENT | ZINC |
| STYLE DESIGNATOR | RECTANGULAR, WITH BOLT HOLES |
| CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG WIDTH | 1.920 INCHES NOMINAL |
| CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG LENGTH | 3.500 INCHES NOMINAL |
| OUTSIDE EDGE TO BOLT HOLE CENTER DISTANCE ALONG WIDTH | 0.500 INCHES NOMINAL |
| OUTSIDE EDGE TO BOLT HOLE CENTER DISTANCE ALONG LENGTH | 1.130 INCHES NOMINAL |
| FLANGE LENGTH | 4.500 INCHES NOMINAL |
| FLANGE WIDTH | 4.180 INCHES NOMINAL |
| BOLT HOLE DIAMETER | 0.531 INCHES NOMINAL |
| BOLT HOLE QUANTITY | 4 |
| FLANGE SECTION STYLE | RECESSED FACE, RAISED NECK |
| RECESS DIAMETER | 3.344 INCHES NOMINAL |
| RECESS DEPTH | 0.355 INCHES NOMINAL |
| THICKNESS | 0.750 INCHES NOMINAL |
| NECK HEIGHT | 0.355 INCHES NOMINAL |
| NOMINAL PIPE SIZE FOR WHICH DESIGNED | 2.500 INCHES |
| MAXIMUM OPERATING PRESSURE AND MEDIA FOR WHICH DESIGNED | 1775.0 POUNDS PER SQUARE INCH FUEL/OIL, HYDROCARBON |
| FACE SEATING SURFACE CONDITION | GROUND |
| SPECIAL FEATURES | SPLIT-FLANGE |
| SPEC/STD CONTROLLING DATA | |
| MANUFACTURERS CODE | 81349 |
| NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MIL-DTL-52525/16 |
| DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | M52525/16-40G |