| APERTURE DIAMETER | 113.51 MILLIMETERS MINIMUM AND 114.53 MILLIMETERS MAXIMUM |
| CROSS-SECTIONAL SHAPE STYLE | METAL AND SYNTHETIC RUBBER |
| CROSS-SECTIONAL THICKNESS | 1.65 MILLIMETERS MINIMUM AND 1.91 MILLIMETERS MAXIMUM |
| MATERIAL | RUBBER ETHYLENE-PROPYLENE-DIENE CLASS EPDM BINDING |
| MATERIAL | SILVER ALLOY EMI/RFI CONDUCTOR |
| III PART NAME ASSIGNED BY CONTROLLING AGENCY | O-RING, CHO-SEAL 1298, 70A, EMI |
| III PRECIOUS MATERIAL | SILVER |
| PROPRIETARY CHARACTERISTICS | PACS |
| OUTSIDE DIAMETER | 115.29 MILLIMETERS MINIMUM AND 116.31 MILLIMETERS MAXIMUM |
| STYLE DESIGNATOR | CIRCULAR |
| SURFACE TREATMENT | PASSIVATE EMI/RFI CONDUCTOR |