O-319 Chain Nest Hooks - Size 1/4" to 9/32"

Product Description

Product Description:
The Crosby O-319 Chain Nest Hook is designed as a replacement hook assembly for chain hoists and lifting systems requiring frequent rotation under load. Featuring a ball bearing swivel and Crosby® 319 shank hook with QUIC-CHECK® deformation indicators, the O-319 provides dependable load engagement and reliable lifting performance in demanding industrial environments.
Manufactured from forged alloy steel and heat treated for durability, the O-319 Chain Nest Hook delivers high strength, smooth rotation, and dependable operation for hoist chain applications. 

Material:
Forged alloy steel hook
Quenched and tempered steel construction
Alloy chain connecting pin
Zinc-plated finish for corrosion resistance

Specifications:
Chain nest hook with ball bearing swivel
Designed for chain hoist replacement applications
Suitable for frequent rotation under load
Utilizes Crosby® 319 shank hook with QUIC-CHECK® deformation and angle indicators
Fits hoist chain sizes from 1/4" through 9/16"
Entire assembly zinc plated for corrosion resistance
Repair kit available consisting of bearing and spring pin
Product Identification Code (PIC) for traceability
4:1 design factor
Meets ASME B30.10 requirements 

Uses:
Chain hoist replacement assemblies
Industrial lifting systems
Manufacturing and material handling
Construction lifting applications
Frequent rotation hoist operations

Key Features:
Ball bearing swivel – Allows smooth rotation under load
QUIC-CHECK® indicators – Helps identify deformation and improper hook angles
Forged construction – Built for demanding lifting environments
Corrosion resistant – Zinc-plated finish extends service life
Traceable identification – PIC system supports inspection and compliance
Frequent rotation capability – Designed for repetitive hoist applications