DA97910A30804200397910UP03209UP06764A97910A Bump Knob Left Hand Thread 5 Pieces

Product Overview

This 5 bump knob features a left-hand thread pattern, making it suitable for applications where reverse threading is required for secure attachment or adjustment. The ridged design provides a tactile grip for manual operation in control panels, machinery, or equipment. It directly replaces multiple OEM part numbers, offering a precise fit for existing assemblies.

Key Features & Performance

• Five raised bumps provide a non-slip grip for easy turning
• Left-hand (reverse) threading prevents loosening under vibration in specific installations
• Rugged plastic or composite construction resists wear and chemical exposure
• Compact profile fits into tight spaces on panels and brackets

Common Uses

• Replacement knob on industrial control panels and switches
• Manual adjustment knobs on machinery with left-hand thread fasteners
• Thumb-operated actuators for valves or levers in machinery
• Repair or restoration of equipment using OEM part numbers listed

Technical Specifications

• Part Number(s): DA97910A, 308042003, 97910, UP03209, UP06764, A97910A
• Thread Direction: Left-hand (reverse)
• Knob Style: 5-bump grip
• Material: Durable composite plastic

Frequently Asked Questions

Q: Can this knob be used on standard right-hand thread shafts? A: No, this knob is specifically designed for left-hand threads; using it on a right-hand thread will not secure properly.

Q: What tools are needed to install this knob? A: Typically no tools are required—simply hand-tighten onto the matching left-hand threaded stud or shaft.

Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.