Curved (DIN 137) and wave-form washers act as light axial springs, taking up tolerance, damping vibration, and maintaining a preload in bearings and light assemblies.
Conforms to

Wave or curved form maintains preload through movement.
A cross-section of stocked configurations. Not exhaustive — diameters, lengths, grades, and finishes extend across the full range on request.
Representative specifications — not exhaustive · NXB-SPW
Match the line to the load, the environment, and the standard it answers to.
Materials
Finishes
Standards
Typical applications
Served industries
Mating parts and adjacent lines engineers reach for alongside this one.
Sprung helical ring digs in to resist vibration loosening.
M3–M30 · #6–1-1/4"
Conical disc spring delivers high load in a small stack.
M3–M30 · 1/4"–1-1/4"
Spreads clamp load and protects the bearing surface.
M3–M36 · #6–1-1/2"
Bonded elastomer seal keeps weather and fluid out.
M5–M16 · #10–1/2"
Grade, material, finish, and standard — matched to your joint and quoted from stock. Tell us the load case and we’ll confirm the line.