# Crescent Retaining Ring, System of Measurement Inch, Location Style External, Thickness 0.035 in, Fits Shaft Diameter 9/16 in, For Bore Diameter Not Applicable, Fits Groove Diameter 0.507 in, Fits Groove Width 0.039 in, Fits Groove Depth 0.028 in, Free Inside Diameter 0.497 in, Free Outside Diameter 0.653 in, Clearance Diameter 0.67 in, Material Steel, Finish Zinc Plated, Material Grade/Class Ungraded, Tensile Strength 120,000 psi, Ring Type Crescent Retaining Ring

**Manufacturer:** Zoro Select  
**MPN:** `C-56ST ZD`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Zoro Select |
| Manufacturer name | Zoro Select |
| Manufacturer | Zoro Select |
| CategoryId | 17152 |
| CategoryIdL1 | 9 |
| CategoryIdL2 | 17153 |
| CategoryIdL3 | 17152 |
| CategoryL1 | Fasteners |
| CategoryL2 | Retaining Rings |
| CategoryL3 | External Retaining Rings |
| DimensionUnit | inch |
| GTIN | 848790003777 |
| GraingerSku | 5CU43 |
| UPC | 848790003777 |
| UnitOfMeasure | PK |
| Weight | 0.04 |
| WeightUnit | lbs |
| cali_prop65_orglabel | False |
| cali_prop65_whtlabel | False |
| countryOfOrigin | US |
| height | 1 |
| jsonUrlData | 924526ffbdad25e5923b |
| length | 4 |
| moq | 1 |
| MPN | C-56ST ZD |
| multiple | 1 |
| qtyInStock | 7 |
| qtyInStockOverride | -2 |
| SKU | G2013444 |
| tierMinQty1 | 1 |
| tierPrice1 | 4.05 |
| url | https://www.zoro.com/zoro-select-external-retaining-ring-steel-yellow-zinc-finish-916-in-shaft-dia-50-pk-c-56st-zd/i/G2013444/ |
| width | 1 |
| For Shaft Dia | 9/16 in |
| Fits Groove Dia | 0.507" |
| Fits Groove Width | 0.039 in |
| Fits Groove Depth | 0.028 in |
| Clearance Dia Free O D | 0.653 in |
| Clearance Dia (Released) | 0.67 in |
| Groove Width Tolerance | +0.003/-0.000 in |
| Groove Dia Tolerance | +/-0.003 in |
| Free Outside Diameter | 0.653 in |
| Free Inside Diameter | 0.497 in |
| Fits Shaft Diameter | 9/16 in |
| Fits Groove Diameter | 0.507 in |
| For Bore Diameter | Not Applicable |
| Groove Diameter Tolerance | +/-0.003 in |
| Clearance Diameter | 0.67 in |
| Item | Retaining Ring |
| Type | External |
| Material | Steel |
| Finish | Yellow Zinc |
| Thickness | 0.035 in |
| System of Measurement | Inch |
| Free I D | 0.497" |
| Free O D | 0.653" |
| Meets/Exceeds | ASME |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Zoro | G2013444 | 4.05 | 1 | 7 | 1 |
| grainger.ca | WWG5CU43 | 8.65886558 | 1 | None | 1 |

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Structured data: `/python/html6/product/500/241000000/241193500/part_--C56STZD---ZoroSelect--8516a97323.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp