Spring, External Tooth, Cup, Full Washers, Form A
Brass, Fibre, Ceramic, Vulcanised Fibre, TPE
28 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
6.4 mm, 4.85 mm, 5.36 mm, 4.36 mm, 6.5 mm
0.28 mm, 0.7 mm, 0.6 mm, 8.1 mm, 0.16 mm
M8, M3 (Form A), M2, M12, M5 (Form A)
BS 4320, BS 4320:1968, ASME B18.22.1
ASTM F844, DIN 6797J, BS 4320B