| CENTER HOLE DIAMETER | 3.463 INCHES MINIMUM AND 3.511 INCHES MAXIMUM |
| CRITICALITY CODE JUSTIFICATION | ZZZY |
| CROSS-SECTIONAL HEIGHT | 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM |
| MATERIAL | RUBBER ETHYLENE-PROPYLENE CLASS EPM |
| REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | REFERENCE NUMBER DIFFERENTIATING MATERIAL WILL BE IN ACCORDANCE WITH NAVAL INVENTORY CONTROL POINT ACTIVITY HX QUALITY CONTROL. MANUFACTURING AND TESTING SPECIFICATIONS AVAILABLE AT THE DLA ICP |
| SPECIAL FEATURES | ITEM MUST COMPLY WITH REQUIREMENTS OF DEFENSE SUPPLY CENTER COLUMBUS PRODUCTION STANDARD NO. LO1239 |