| BORE DIAMETER | 2.250 INCHES MAXIMUM |
| BORE TYPE | TAPERED |
| FACE GROOVE/TOOTH QUANTITY | 32 |
| FACE TYPE | FLAT GROOVED WITH DOUBLE FLANGE |
| FACE WIDTH | 0.750 INCHES NOMINAL |
| HUB DIAMETER | 3.060 INCHES NOMINAL |
| OVERALL LENGTH | 1.000 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A48,CLASS 30 ASSN STD SINGLE MATERIAL RESPONSE |
| MATERIAL | IRON |
| SPECIAL FEATURES | GMATERIAL GREY IRON, FINISH CHROMIUM PLATE OR PHOSPHATE COAT DYED NON-REFLECTIVE BLACK; BORE TAPPERED 4 DEGREES; INCLUDES TWO 0.375-16 UNC 2B HOLES ON 2.125 BC AND ONE 0.391 X 0.625 IN. DEEP HOLE ON 2.125 BC;O/A OD 4.060 IN. |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-14538 MIL SPEC 1ST TREATMENT RESPONSE OR DOD-P-16232,TYPE M,CLASS IV MIL SPEC 2ND TREATMENT RESPONSE |
| SURFACE TREATMENT | CHROMATE |