563-7066807-55: BELL CRANK.
The BELL CRANK is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, bore_length: 4.000 INCHES NOMINAL IN, bore_diameter: 2.149 INCHES MINIMUM AND 2.499 INCHES MAXIMUM IN, special_features: BOTH ENDS HAS 2.000 DIAMETER BOSS ON BOTH SIDES OF CLEVIS. FULCRUM HAS 4.750 DIAMETER BOSS ON BOTH SIDES, style_designator: RAISED FACE PIVOT HOLE, CLEVIS BOTH ENDS, fulcrum_bore_shape: SPLINED.
This part is cataloged in the U.S. Government catalog under NSN 3040-01-499-0553, indicating validated use in U.S. government and defense logistics supply chains.
Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.
| material | COPPER ALLOY |
| bore_length | 4.000 INCHES NOMINAL IN |
| bore_diameter | 2.149 INCHES MINIMUM AND 2.499 INCHES MAXIMUM IN |
| special_features | BOTH ENDS HAS 2.000 DIAMETER BOSS ON BOTH SIDES OF CLEVIS. FULCRUM HAS 4.750 DIAMETER BOSS ON BOTH SIDES |
| style_designator | RAISED FACE PIVOT HOLE, CLEVIS BOTH ENDS |
| fulcrum_bore_shape | SPLINED |
| end_hole/ball_diameter | 0.751 INCHES MINIMUM AND 0.755 INCHES MAXIMUM FIRST END IN |
| end_item_identification | MAIN BALLAST TANK VENT VALVE ASSEMBLY FOR LOS ANGELES CLASS SUBMARINE (688) |
| material_document_and_classification | MIL-B-24480 MIL SPEC SINGLE MATERIAL RESPONSE |
| center_to_center_distance_between_fulcrum_and_arm_end_hole/slot/ball | 5.000 INCHES NOMINAL SECOND END IN |
| NSN | 3040-01-499-0553 |
| CENTER TO CENTER DISTANCE BETWEEN FULCRUM AND ARM END HOLE/SLOT/BALL | 5.000 INCHES NOMINAL SECOND END IN |
| CENTER TO CENTER DISTANCE BETWEEN FULCRUM AND ARM END HOLE/SLOT/BALL | 4.250 INCHES NOMINAL FIRST END IN |
| END HOLE/BALL DIAMETER | 0.751 INCHES MINIMUM AND 0.755 INCHES MAXIMUM FIRST END IN |
| END HOLE/BALL DIAMETER | 1.000 INCHES MINIMUM AND 1.005 INCHES MAXIMUM SECOND END IN |
| BORE LENGTH | 4.000 INCHES NOMINAL IN |
| STYLE DESIGNATOR | RAISED FACE PIVOT HOLE, CLEVIS BOTH ENDS |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-B-24480 MIL SPEC SINGLE MATERIAL RESPONSE |
| FULCRUM BORE SHAPE | SPLINED |
| SPECIAL FEATURES | BOTH ENDS HAS 2.000 DIAMETER BOSS ON BOTH SIDES OF CLEVIS. FULCRUM HAS 4.750 DIAMETER BOSS ON BOTH SIDES |
| END ITEM IDENTIFICATION | MAIN BALLAST TANK VENT VALVE ASSEMBLY FOR LOS ANGELES CLASS SUBMARINE (688) |