Detail & Specs
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Belleville Washer Large O.D. - A4 Stainless NFE 25-511 Form L
Ribbed / "Rip Lock" Pattern
Belleville washers have a concave shape to maintain compressed tension. The Rip-Lock pattern on the top surface enhances the locking force and further prevents against loosening due to vibration or pressure. Also known as serrated conical, coned-disc, cupped spring lock washer
Belleville washers can be used in tandem, one at the nut end and one at the bolt head end of the fastener connection. These washers can also be parallel stacked in multiples for increase loads.
Specification: NFE 25-511, “L”
"L" Large Form (Oversized Outer Diameter)
Less common than ISO or DIN standard washers, AFNOR (French Association Française de Normalisation) washers may be required for specialized applications that have specific dimensional requirements.
Material: A4 Stainless
A4 / 316 Stainless Steel fasteners are "marine grade" corrosion resistant; suitable for salt water applications. A4 fasteners also offer increased resistance to chemicals when compared with A2 stainless fasteners.
Commonly used in wet environments. Popular across a wide range of industries: automotive, agriculture, photographic, medical / surgical, food processing, robotics, architectural detailing, construction, HVAC, healthcare, sanitary, transportation, clean energy, etc
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