# E Retain Ring, Ext, Dia 3/16 In, PK50

**Manufacturer:** Zoro Select  
**MPN:** `E-18ST PA`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Zoro Select |
| Manufacturer name | Zoro Select |
| Manufacturer | Zoro Select |
| DimensionUnit | inch |
| GraingerSku | 6LC55 |
| Extra Product Name | E Retain Ring, Ext, Dia 3/16 In, PK50 |
| WeightUnit | lbs |
| atoms | 50 |
| countryOfOrigin | United States |
| diameter | 0.35 |
| extendedLead | 26 |
| extendedQty | -2 |
| height | 0.35 |
| height_Attrib | Clearance Dia. (Released) |
| length | 0.02 |
| length_Attrib | Fits Groove Depth |
| moq | 1 |
| MPN | E-18ST PA |
| multiple | 1 |
| qtyInStock | 0 |
| SKU | G1872035 |
| tierMinQty1 | 1 |
| tierPrice1 | 1.58 |
| url | https://www.zoro.com/value-brand-e-retain-ring-ext-dia-316-in-pk50-182724/i/G1872035/ |
| width | 0.029 |
| width_Attrib | Fits Groove Width |
| Clearance Dia Free O D | 0.335" |
| Fits Groove Dia | 0.147 in |
| Clearance Dia (Released) | 0.350" |
| Clearance Dia (Compressed) | - |
| Thickness | 0.025" |
| Tensile Strength (PSI) | 120,000 |
| Groove Width Tolerance | +0.003" |
| Height | - |
| Rockwell Hardness | RC48-53 |
| Finish | Black Phosphate |
| Meets/Exceeds | ASME |
| Fits Groove Depth | 0.020" |
| Fits Groove Width | 0.029" |
| Prongs | - |
| Thickness Tolerance | +/-0.002" |
| Package Quantity | 50 |
| For Shaft Dia | 3/16" |
| Material | Carbon Steel |
| Free I D | 0.145" |
| Radial Wall | - |
| Item | E Style Retaining Ring |
| For Bore Dia | - |
| Type | External |
| Free O D | 0.335 in |
| Groove Dia Tolerance | +0.002" |
| Country of Origin (subject to change) | United States |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Zoro | G1872035 | 1.58 | 1 | None | 1 |

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Structured data: `/python/html6/product/500/96500000/96554500/part_--E18STPA---ZoroSelect--14f4401494.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp