S-96982A163 25.5 mm ID x 40 mm OD DIN 127B Split Lock Washers

Split Lock Washers

1308FA00143 Split Lock Washers
1308FA00143 Split Lock Washers

Image may differ from product. See technical specification for details.

Part No.
Part No. 1308FA00143
Equivalent to mcmaster :
96982A163

Basic Information

System of Measurement Metric
Washer Type Split Lock
Specifications Met DIN 127B

Dimension Parameters

ID 25.5 mm
OD 40 mm
Thickness 4.8-5.2 mm

Material & Strength Parameters

Material Zinc Yellow-Chromate Plated Steel
Hardness Rockwell C44

Installation & Application Parameters

For Screw Size M24

Finish & Compliance Parameters

RoHS RoHS 3 (2015/863/EU) Compliant

Special Type Parameters

Split Lock Washer Type Standard
Technical Drawings No drawings available at the moment, will be launched soon
In Stock
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Key Features & Benefits at a Glance

  • Superior vibration resistance prevents fastener loosening in high-stress environments, ensuring long-term assembly integrity.
  • Durable zinc yellow-chromate plating provides excellent corrosion resistance, extending service life in harsh industrial conditions.
  • Precision-engineered to DIN 127B standards guarantees consistent dimensions and reliable performance for M24 screw applications.
  • High Rockwell C44 hardness offers exceptional strength and resistance to deformation under heavy loads.
  • RoHS 3 compliance ensures environmental safety and meets global regulatory requirements for hazardous substances.
  • Optimized split lock design creates continuous spring tension, maintaining clamp load despite thermal cycling or impacts.
  • Accurate 25.5mm ID and 40mm OD dimensions enable perfect fit and easy installation with standard M24 fasteners.

Professional Applications & Engineering Value

This M24 split lock washer delivers critical engineering solutions where vibration-induced loosening compromises safety and performance. Manufactured from zinc yellow-chromate plated steel, it combats corrosion in manufacturing plants, automotive assemblies, and heavy machinery. The DIN 127B standard ensures dimensional precision (25.5mm ID × 40mm OD) for seamless integration with M24 screws, while the split design generates persistent radial force that counters rotational slackening. This makes it indispensable for industrial applications requiring reliable locking under dynamic loads—from conveyor systems to structural frameworks—where failure prevention is paramount.

Specification Summary & Compliance

This washer conforms to DIN 127B specifications with precise internal diameter (25.5 mm), outer diameter (40 mm), and thickness (4.8–5.2 mm). It meets Rockwell C44 hardness requirements for mechanical durability and is fully RoHS 3 (2015/863/EU) compliant, adhering to restrictions on hazardous substances. The standard split lock washer type ensures consistent performance for M24 screw sizes in metric measurement systems.

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