| MATERIAL DOCUMENT AND CLASSIFICATION | L-P-410 FED SPEC SINGLE MATERIAL RESPONSE INTERMEDIATE RING |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-682 FED SPEC SINGLE MATERIAL RESPONSE BOTTOM RING |
| MATERIAL DOCUMENT AND CLASSIFICATION | ZZ-R-765 FED SPEC SINGLE MATERIAL RESPONSE TOP RING |
| MATERIAL | PLASTIC POLYAMIDE NYLON INTERMEDIATE RING |
| MATERIAL | RUBBER SILICONE CLASS Q TOP RING |
| MATERIAL | STEEL BOTTOM RING |
| REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | AS DIFFERENTIATED BY BOTTOM RING INTERMEDIATE RING AND TOP RING MATERIALS |