| APERTURE DIAMETER | 2.750 INCHES NOMINAL |
| BEARING SURFACE WIDTH | 0.328 INCHES NOMINAL |
| CROSS-SECTIONAL THICKNESS | 0.170 INCHES MINIMUM AND 0.180 INCHES MAXIMUM |
| CROSS-SECTIONAL SHAPE STYLE | METAL WINDING W/ SOFT FILLER AND OUTER RING |
| GAGE RING OUTSIDE DIAMETER | 4.125 INCHES NOMINAL |
| GAGE RING THICKNESS | 0.119 INCHES MINIMUM AND 0.131 INCHES MAXIMUM |
| OUTSIDE DIAMETER | 3.406 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-A-24058 MIL SPEC 1ST MATERIAL RESPONSE AND MIL-N-23228 MIL SPEC 1ST MATERIAL RESPONSE OR ASTM B168 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| MATERIAL | ASBESTOS AND NICKEL ALLOY 600 OR NICKEL ALLOY 600 AND STEEL OVERALL |
| MAXIMUM PRESSURE RATING | 150.0 POUNDS PER SQUARE INCH |
| NONDEFINITIVE SPEC/STD DATA | 2 TYPE AND B CLASS AND 150 SERIES |
| STYLE DESIGNATOR | CIRCULAR |
| TEMP RATING | 900.0 FAHRENHEIT |