Spring, Internal Tooth, Cup, Full Washers, Form A
Ceramic, Brass, Stainless Steel, Steel, Copper
4.51 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
12.2 mm, 2.25 mm, 13 mm, 4.36 mm, 6.5 mm
0.9 mm, 0.16 mm, 1.8 mm, 3.5 mm, 1.6 mm
M6 (Form A), M3.5, M3 (Form A), M12, M5 (Form A)
ASME B18.22.1
ASTM F844, DIN 6797A, BS 4320:1968, BS 4320B, DIN 7603A