| MATERIAL | ALUMINUM 1ST END COUPLING |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-591,ALL0Y 218 FED SPEC SINGLE MATERIAL RESPONSE 1ST END COUPLING |
| SURFACE TREATMENT | CADMIUM 2ND END COUPLING |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE 2ND END COUPLING |
| STYLE DESIGNATOR | FULLY CONVOLUTED W/ WIRE RINGS BETWEEN CONVOLUTIONS |
| CROSS-SECTIONAL SHAPE STYLE | OVAL |
| INSIDE WIDTH | 4.500 INCHES NOMINAL FIRST END |
| INSIDE LENGTH | 7.125 INCHES NOMINAL FIRST END |
| WALL THICKNESS | 0.125 INCHES NOMINAL |
| MEASURING METHOD AND LENGTH | 3.656 INCHES NOMINAL OVERALL |
| CONNECTION TYPE | COUPLING FIRST END |
| COUPLING STYLE | RAISED FACE FLANGE FIRST END |