4021421 PIN LOCK RND 1/4X2-1/2
by Gap Power
SKU 747-9892
Original price
$2.35
-
Original price
$2.35
Original price
$2.35
$2.35
$2.35
-
$2.35
Current price
$2.35
In-Store Only — Visit us in Gap, PA to purchase
Overview
The Koch Industries 4021421 PIN LOCK RND 1/4X2-1/2 (4021421) is designed for Hardware applications, specifically as a PTO (Power Take-Off) lock pin for securing rotating shaft connections on tractors and agricultural implements.
| Specification | Detail |
|---|---|
| Manufacturer Part Number (MPN) | 4021421 |
| Brand | Koch Industries |
| Weight | 1.32 lb |
| Pin Diameter | 0.25 in. (1/4 in.) |
| Pin Length | 2.5 in. (2-1/2 in.) |
| Pin Shape | Round |
| Material / Finish | Zinc Plated |
| Package Quantity | 2 per pack |
| UPC | 719961464218 |
| Compliance | California Prop 65 — see warnings |
Technical Features
- Zinc plated finish: Provides a corrosion-resistant surface coating, extending service life in outdoor and agricultural environments.
- Round pin profile (1/4 in. diameter): Maintains precise fitment within standard PTO collar retaining holes, ensuring consistent locking engagement.
- 2.5 in. pin length: Accommodates standard PTO shaft collar depths, allowing full insertion and secure retention without over-extension.
- 2-pin pack quantity: Supplies an immediate replacement unit alongside the primary pin, reducing downtime in field conditions.
Applications
- Securing PTO (Power Take-Off) shaft collars on tractors and driven implements to prevent inadvertent disengagement during operation.
- Replacement lock pin for worn or lost OEM PTO retaining hardware on standard 1/4 in. diameter pin applications.
- General agricultural and farm equipment maintenance where a zinc plated, round-profile lock pin is specified.

















































