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SAE J 489

Helical Spring Lock Washers

SAE J 489B (Table 2) - 1974 弹簧垫圈

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Dimensional Specifications — SAE J 489 (mm)

Size	P	e	r	k_max	k_min	s_max	s_min	ds_max	ds_min	k_nominal	ds_nominal
2#	0.099	0.034	0.239	0.025	0.040	0.107	0.101	0.031	0.047	0.195	0.209
3#	0.125	0.045	0.300	0.031	0.047	0.133	0.127	0.040	0.055	0.236	0.252
4#	0.164	0.057	0.375	0.040	0.055	0.174	0.167	0.047	0.062	0.293	0.307
5#	0.216	0.080	0.497	0.056

Related Standards

GB /T 93 - 1987— Single Coil Spring Lock Washers, Normal Type GB 93 - 1976— Single Coil Spring Lock Washers, Normal Type GB /T 859 - 2025— Single Coil Spring Lock Washers - Light Type GB 9074.26 - 1988— Single Coil Spring Lock Washer for Assembly GB /T 7244 - 1987— Single Coil Spring Lock Washers Heavy Type GB /T 859 - 1987— Single Coil Spring Lock Washers, Light Type DIN 127 (B) - 1987— Spring Lock Washers - Type B, with Square Ends DIN 7980 - 1987— Spring Lock Washers with Square Ends for Cheese Head Screws

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