Series
AI Disc Springs
    Inch Dimensions f=.75h
Part

No.

NOM.

Bolt

Size

D d t h O.H. P f Pmax fmax Weight

per M

in lbs.

AI-180910 #2 .187 .093 .010 .0051 .015 23 .0038 29 .0051 .98
AI-251213 #4 .250 .125 .013 .0071 .020 39 .0053 50 .0071 .46
AI-311517 #6 .312 .156 .017 .0081 .025 63 .0061 82 .0081 .47
AI-371915 3/16 .375 .195 .015 .0121 .027 49 .0091 59 .0121 .36
AI-502519 1/4 .500 .258 .019 .0162 .035 75 .0121 89 .0162 .80
AI-502523 1/4 .500 .258 .023 .0162 .039 130 .0122 160 .0162 .97
AI-623132 5/16 .625 .317 .032 .0162 .048 213 .0121 273 .0162 2.0
AI-753227   .750 .320 .028 .0242 .052 146 .0181 174 .0242 2.8
AI-753231   .750 .320 .032 .0242 .056 213 .0182 261 .0242 3.2
AI-683823 3/8 .688 .382 .024 .0202 .044 104 .0152 125 .0202 1.7
AI-683827 3/8 .688 .382 .028 .0203 .048 162 .0152 200 .0203 2.0
AI-753831 3/8 .750 .382 .032 .0202 .052 188 .0152 236 .0202 2.9
AI-753835 3/8 .750 .382 .035 .0223 .057 272 .0167 342 .0223 3.3
AI-753840 3/8 .750 .382 .040 .0192 .059 343 .0144 441 .0192 4.5

Note: Disc springs are tested only at f=.75h.

Pmax = load at flat in lbs. fmax = deflection in inches

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