Details
4B21-S2-22 North American Aviation standard spacer bushing, steel.
Part Number: 4B21-S2-22
Part Type: Bushing - Spacer
Material: Steel
A spacer bushing slides over a bolt to hold a set gap between parts, such as a bellcrank, rod end, or pulley and its mounting bracket. It lets the joint be torqued fully without crushing the structure or binding the moving part.
Photos are for reference only.
Warranty Information
All NS parts are sold "as-is". Airworthiness to be determined by an appropriately rated certificate holder. No warranty is implied. AirCorps Depot reserves the right to charge a restocking fee when deemed appropriate.
