Retaining Ring Style Retaining Ring Style |
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![]() | Standard |
System of Measurement System of Measurement |
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Material Material |
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Retaining Ring Type Retaining Ring Type |
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![]() | External |
DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Magnetic Properties Magnetic Properties |
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Minimum Hardness Minimum Hardness |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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Specifications Met Specifications Met |
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Thrust Load Capacity Thrust Load Capacity |
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Finish Finish |
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Mil. Spec. External Retaining Rings

These rings meet military specification MS16624. Open them with retaining ring pliers (sold separately), pass them over the end of a shaft, and release to spring into the groove. Ring ID is measured with the ring uninstalled.
1060-1090 spring steel rings are an economical choice with good strength. The cadmium-plated finish adds some corrosion resistance.
Thrust load capacity, also known as PR, is based on using a shaft that is harder than the ring.
For technical drawings and 3-D models, click on a part number.
For Groove | Ring | ||||||||||
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For OD | Dia. | Wd. | ID | Thick. | Min. Hardness | Thrust Load Capacity, lbs. | Magnetic Properties | Specifications Met | Pkg. Qty. | Pkg. | |
Cadmium-Plated 1060-1090 Spring Steel | |||||||||||
1 3/4" | 1.65" | 0.068" | 1.618" | 0.062" | Rockwell C46 | 12,900 | Magnetic | MS16624 | 1 | 000000000 | 00000 |