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Maryland Precision Spring

AK-R4 - 0.406 Inch ID 0.618 Inch OD 1075 Steel Disc Spring Washer

Disc spring manufactured from 1075 Steel with an inside diameter of 0.406 Inch and an outside diameter of 0.618 Inch.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Ball Bearing Size R-4
Brand Maryland Precision Spring
Deflection at 75% Height 0.009 in
Display Name AK-R4
Finish Phosphate
Inside Diameter 0.406 in
Load at 75% Height 6.8 lb
Material 1075 Steel
Measurement Units Standard
Outside Diameter 0.618 in
Outside Height 0.022 in
SKU AK-R4
T 0.01 in
Specs (in metric)
Label Value
Ball Bearing Size R-4
Brand Maryland Precision Spring
Deflection at 75% Height 0.23 mm
Display Name AK-R4
Finish Phosphate
Inside Diameter 10.31 mm
Load at 75% Height 3.08 kg
Material 1075 Steel
Measurement Units Standard
Outside Diameter 15.7 mm
Outside Height 0.56 mm
SKU AK-R4
T 0.25 mm

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