| APERTURE DIAMETER | 2.750 INCHES MINIMUM AND 2.765 INCHES MAXIMUM |
| BEARING SURFACE WIDTH | 0.296 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 | 4.094 INCHES MINIMUM AND 4.156 INCHES MAXIMUM |
| GAGE RING THICKNESS | 0.117 INCHES MINIMUM AND 0.131 INCHES MAXIMUM |
| OUTSIDE DIAMETER | 3.312 INCHES MINIMUM AND 3.405 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-A-4058 TY 3 MIL SPEC 1ST MATERIAL RESPONSE AND ASTM B127 ASSN STD 2ND MATERIAL RESPONSE OR QQ-N-281 FED SPEC 3RD MATERIAL RESPONSE OVERALL |
| MATERIAL | ASBESTOS CHRYSOTILE AND RUBBER SYNTHETIC OR RUBBER NATURAL AND NICKEL ALLOY 400 OR NICKEL ALLOY AND STEEL OVERALL |
| MAXIMUM PRESSURE RATING | 150.0 POUNDS PER SQUARE INCH |
| NONDEFINITIVE SPEC/STD DATA | 2 TYPE AND C CLASS AND 150 SERIES AND IPS2 SIZE |
| STYLE DESIGNATOR | CIRCULAR |
| TEMP RATING | 700.0 FAHRENHEIT |