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SAE J 489

External Tooth Lock Washers

SAE J 489B (Table 5) - 1974 外齿锁紧垫圈

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Dimensional Specifications — SAE J 489 (mm)

Size	P	k_max	k_min	s_max	s_min	k_nominal	ds_nominal
3#	0.112	0.245	0.019	0.123	0.115	0.260	0.014
4#	0.138	0.305	0.022	0.150	0.141	0.320	0.016
5#	0.190	0.395	0.025	0.204	0.195	0.410	0.020
6#	0.250	0.494	0.028	0.267	0.256	0.510	0.023
8#	0.375	0.670	0.040	0.398	0.384	0.694	0.032

Related Standards

GB 9074.27 - 1988— Serrated Lock Washer External Teeth for Assembly GB 9074.28 - 1988— Lountersunk External Toothed Lock Washer for Assembly GB /T 861.1 - 1987— Lock Washers Internal Teeth GB 861.2 - 1987— Serrated Lock Washers Internal Teeth GB 862.1 - 1987— Lock Washers External Teeth GB 862.2 - 1987— Serrated Lock Washers External Teeth GB 956.1 - 1987— Countersunk External Toothed Lock Washers GB 956.2 - 1987— Countersunk Serrated External Toothed Lock Washers

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