NSI Industries JLWI5 - Internal Tooth Lock Washer, #10 fastener size, Steel, Fits 3/16 in. bolt size, Zinc Chromate finish, 100 per pack
NSI Industries

JLWI5

Alternate Item Number: 83654

UPC: 639720836547


Documents & Media
Specification Sheet

Contact for Pricing

Minimum Qty: 100

Multiplier: 100

*Contact for lower quantities*

Overview

The NSi Industries JLWI5 Internal Tooth Lock Washer (#10 size, SKU JLWI5) is a precision-engineered steel fastener designed to secure bolted connections against vibration and torque-induced loosening. Manufactured in the USA by NSi Industries, this lock washer features a #10 fastener size and is specifically compatible with 3/16-inch bolts, ensuring a precise fit for industrial applications. Constructed from durable steel and finished with a zinc chromate coating, the JLWI5 provides superior corrosion resistance, extending service life in harsh environments. The internal tooth design bites into mating surfaces, creating a locking mechanism that resists rotational forces and maintains joint integrity under dynamic loads. Packaged in quantities of 100, this lock washer is ideal for bulk purchasing in manufacturing, automotive, electrical, and construction applications where reliable mechanical fastening is critical. Unlike split washers, the internal tooth design distributes pressure evenly across the fastener interface, reducing the risk of surface damage while enhancing grip. The zinc chromate finish offers additional protection against moisture and oxidation, making it suitable for outdoor or chemically exposed environments. Compliance with industrial standards ensures consistent performance in high-stress assemblies. For applications requiring vibration resistance, such as machinery mounts, panel enclosures, or structural connections, the JLWI5 delivers consistent torque retention without the need for additional locking mechanisms. NSi Industries, a trusted name in industrial fasteners, guarantees dimensional accuracy and material integrity for this product.
  • Fits #10 fasteners and 3/16-inch bolts for precise compatibility
  • Internal tooth design prevents loosening from vibration and torque
  • Steel construction with zinc chromate finish for corrosion resistance
  • 100 washers per pack for cost-effective bulk purchasing
  • Made in USA by NSi Industries for industrial-grade reliability

Specifications

Application
Electrical, Plumbing, Heating and Air Conditioning Industries
Color
Zinc Chromate
Fastener Size
#10
Material
Steel
Size
#10
Type
Internal Tooth Lock Washer
Package Dimensions (L x W x H)
3 IN x 3 IN x 2.15 IN
Package Dimensions (L x W x H)
7.62 cm x 7.62 cm x 5.461 cm
Package Weight (Imperial)
0.100 L
Package Weight (Metric)
0.045 kg
#12 External Tooth Lock Washer Zinc 100 per pack

JLWX12

#12 External Tooth Lock Washer Zinc 100 per pack
Internal locking washer for #10 fasteners. Made of steel with a zinc plated finish. The sheet identifies it as a lock washer with internal tooth design.

40615J

Internal locking washer for #10 fasteners. Made of steel with a zinc plated finish. The sheet identifies it as a lock washer with internal tooth design.

Frequently Asked Questions

What products are covered by this specification sheet?

This specification sheet applies to all Internal Tooth Lock Washers made of Steel-Zinc and 410 Stainless Steel in the JLWI series.

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