Value Collection 39727 Split Lock Washer 3/8 in 100 Pack

Product Description

The VALUE COLLECTION 39727 is a split lock washer designed for use with 3/8 inch screws and fasteners. Made from AISI 4037 alloy steel with a zinc yellow dichromate finish, this washer provides resistance to loosening under vibration and dynamic loads. The inside diameter ranges from 0.377 to 0.385 inches, with a maximum outside diameter of 0.68 inches and a thickness of 0.094 inches. This package contains 100 washers, making it suitable for production assembly, maintenance shops, and field service kits. Licensed trades professionals and mechanical contractors use split lock washers across a wide range of structural and mechanical fastening applications.

Split lock washers are used wherever fasteners are subject to vibration, thermal cycling, or repeated stress that can cause nuts and bolts to back out over time. This AISI 4037 alloy steel washer is appropriate for general industrial, mechanical, HVAC equipment mounting, electrical panel assembly, and plumbing fixture installation. The zinc yellow dichromate finish provides a degree of corrosion protection suitable for indoor and sheltered outdoor environments. Sold in a package of 100, this washer is well suited for shops, supply houses, and service vehicles maintaining a broad fastener inventory.

Key Features

• AISI 4037 alloy steel construction for strength and durability
• Zinc yellow dichromate finish for corrosion resistance in typical service environments
• ID range of 0.377 to 0.385 inches fits standard 3/8 inch fasteners
• 0.094 inch thickness meets standard split lock washer profile for 3/8 inch screw size
• Maximum OD of 0.68 inches for consistent bearing surface coverage
• Package of 100 units supports bulk stocking and production use

Compatibility

Designed as a standard split lock washer for use with 3/8 inch screws and bolts across general mechanical, industrial, and trade fastening applications.

Installation Notes

Install split lock washers between the fastener head or nut and the mating surface before final torque is applied. Power down or de-energize any equipment before performing fastener work on electrical or mechanical assemblies. Standard hand tools and torque wrenches apply. Follow applicable codes such as NEC or IFGC for fastener requirements specific to electrical or gas equipment installations.