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4021421 PIN LOCK RND 1/4X2-1/2

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 Availability
Stock Status: 5+ Location: Aisle G
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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.
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