| ELONGATION PERCENTAGE | 125 MAXIMUM |
| APERTURE DIAMETER | 1.367 INCHES MINIMUM AND 1.377 INCHES MAXIMUM |
| BOLT CIRCLE DIAMETER | 2.558 INCHES MINIMUM AND 2.568 INCHES MAXIMUM |
| BOLT HOLE QUANTITY | 4 |
| CROSS-SECTIONAL SHAPE STYLE | METAL AND SYNTHETIC RUBBER |
| CROSS-SECTIONAL THICKNESS | 0.132 INCHES NOMINAL |
| GAGE RING THICKNESS | 0.084 INCHES MINIMUM AND 0.100 INCHES MAXIMUM |
| HARDNESS RATING | 75.0 SHORE DUROMETER A NOMINAL OVERALL |
| HOLE DIAMETER | 0.261 INCHES MINIMUM AND 0.276 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED |
| OUTSIDE CORNER INVERTED RADIUS | 0.266 INCHES MINIMUM AND 0.297 INCHES MAXIMUM |
| OUTSIDE CORNER RADIUS | 0.266 INCHES MINIMUM AND 0.297 INCHES MAXIMUM |
| OVERALL WIDTH | 3.125 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5059 MIL SPEC 1ST MATERIAL RESPONSE AND MIL-R-25988 MIL SPEC 2ND MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 302 AND RUBBER FLUOROSILICONE CLASS FQ OVERALL |
| SIDE RADIUS FROM GASKET CENTER | 1.057 INCHES MINIMUM AND 1.067 INCHES MAXIMUM |
| STYLE DESIGNATOR | NON-CIRCULAR |
| TEMP RATING | -20.0 FAHRENHEIT AND 400.0 FAHRENHEIT |