| MATERIAL | STEEL OR |
| IRON |
| SURFACE TREATMENT | ZINC |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-Z-325,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE |
| STYLE DESIGNATOR | RECTANGULAR, WITH BOLT HOLES |
| CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG WIDTH | 0.876 INCHES NOMINAL |
| CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG LENGTH | 1.875 INCHES NOMINAL |
| OUTSIDE EDGE TO BOLT HOLE CENTER DISTANCE ALONG WIDTH | 0.343 INCHES NOMINAL |
| OUTSIDE EDGE TO BOLT HOLE CENTER DISTANCE ALONG LENGTH | 0.580 INCHES NOMINAL |
| FLANGE LENGTH | 2.560 INCHES NOMINAL |
| FLANGE WIDTH | 2.040 INCHES NOMINAL |
| BOLT HOLE DIAMETER | 0.406 INCHES NOMINAL |
| BOLT HOLE QUANTITY | 4 |
| FLANGE SECTION STYLE | PLAIN FACE, SOCKET NECK |
| RECESS DIAMETER | 1.531 INCHES NOMINAL |
| THICKNESS | 0.560 INCHES NOMINAL |
| SOCKET DEPTH | 0.245 INCHES NOMINAL |
| NOMINAL PIPE SIZE FOR WHICH DESIGNED | 0.750 INCHES |
| MAXIMUM OPERATING PRESSURE AND MEDIA FOR WHICH DESIGNED | 5000.0 POUNDS PER SQUARE INCH FUEL/OIL, HYDROCARBON |
| MAXIMUM OPERATING TEMP AND MEDIA FOR WHICH DESIGNED | 212.0 DEG FAHRENHEIT FUEL/OIL, HYDROCARBON |
| FACE SEATING SURFACE CONDITION | GROUND |
| SPECIAL FEATURES | SPLIT-FLANGE TYPE |
| SPECIFICATION/STANDARD DATA | 81349-MIL-F-52525 GOVERNMENT SPECIFICATION |
| SPEC/STD CONTROLLING DATA | |
| MANUFACTURERS CODE | 81349 |
| NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MIL-DTL-52525/16 |
| DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | M52525/16-12G |