# Serrated Lock Nut, 5/16"-18, 316 Stainless Steel, Not Graded, Plain, 10 PK

**Manufacturer:** Zoro Select  
**MPN:** `U55108.031.0001`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Zoro Select |
| Manufacturer name | Zoro Select |
| Manufacturer | Zoro Select |
| CategoryId | 4935 |
| DimensionUnit | inch |
| GraingerSku | 41MG69 |
| Extra Product Name | Serrated Lock Nut, 5/16"-18, 316 Stainless Steel, Not Graded, Plain, 10 PK |
| UPC | None |
| UnitOfMeasure | PK |
| Weight | 0.08 |
| WeightUnit | lbs |
| atoms | 10 |
| cali_prop65_orglabel | True |
| cali_prop65_warnmsgscenario | 7 |
| cali_prop65_whtlabel | True |
| countryOfOrigin | ZZ |
| height | 1.4 |
| jsonUrlData | 924526ffbdad25e5923b |
| length | 5 |
| moq | 1 |
| MPN | U55108.031.0001 |
| multiple | 1 |
| qtyInStock | 85 |
| qtyInStockOverride | -2 |
| SKU | G2527500 |
| tierMinQty1 | 1 |
| tierPrice1 | 13.29 |
| url | https://www.zoro.com/zoro-select-serrated-lock-nut-516-18-316-stainless-steel-not-graded-plain-10-pk-u551080310001/i/G2527500/ |
| width | 2 |
| Thread Size | 5/16"-18 |
| Hex Width | 1/2 in |
| Flange Dia | 0.68 in |
| Pack Size | Small Pack |
| Flange Diameter | 0.68 in |
| Dia /Thread Size | 5/16"-18 |
| Width Across Flats | 1/2 in |
| Item | Lock Nut |
| Hex Type | Flange Hex |
| Lock Type | Serrated |
| Material | 316 Stainless Steel |
| Material Grade/Class | Not Graded |
| Finish | Plain |
| Standards | IFI-145 |
| System of Measurement | Inch |
| Thread Direction | Right Hand |
| Thread Type | UNC |
| Bolt Compatibility | 316 |
| Material Type | Stainless Steel |
| Finish Type | Plain |
| Basic Material | Stainless Steel |
| Nut Style | Self Locking Flange Nut - Serrated |
| Fastener Finish | Plain |
| Nut Standards | IFI-145 |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Zoro | G2527500 | 13.29 | 1 | 85 | 1 |
| grainger.ca | EBP41MG69 | 12.83225008 | 1 | None | 1 |
| Grainger | 41MG69 |  |  | None | 1 |

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Structured data: `/python/html6/product/500/45000000/45398500/part_--U551080310001---ZoroSelect--cdeb290a55.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp