# Flat Washer, Fits Bolt Size 5/16 in Steel, Black Oxide Finish, 10 PK

**Manufacturer:** Zoro Select  
**MPN:** `Z9286`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Zoro Select |
| Manufacturer name | Zoro Select |
| Manufacturer | Zoro Select |
| CategoryId | 4958 |
| CategoryIdL1 | 9 |
| CategoryIdL2 | 4385 |
| CategoryIdL3 | 15199 |
| CategoryIdL4 | 4958 |
| CategoryL1 | Fasteners |
| CategoryL2 | Washers |
| CategoryL3 | General Washers |
| CategoryL4 | Flat Washers |
| DimensionUnit | inch |
| GraingerSku | 1JUV7 |
| Extra Product Name | Flat Washer, Fits Bolt Size 5/16 in Steel, Black Oxide Finish, 10 PK |
| UPC | None |
| UnitOfMeasure | PK |
| Weight | 0.19 |
| WeightUnit | lbs |
| atoms | 10 |
| cali_prop65_orglabel | False |
| cali_prop65_whtlabel | False |
| countryOfOrigin | US |
| height | 0.5 |
| jsonUrlData | 924526ffbdad25e5923b |
| length | 3 |
| moq | 1 |
| MPN | Z9286 |
| multiple | 1 |
| qtyInStock | 166 |
| qtyInStockOverride | -2 |
| SKU | G1462903 |
| tierMinQty1 | 1 |
| tierPrice1 | 9.48 |
| url | https://www.zoro.com/zoro-select-flat-washer-fits-bolt-size-516-in-steel-black-oxide-finish-10-pk-z9286/i/G1462903/ |
| width | 1.2 |
| Fits Bolt Sizes | 5/16 in |
| Washer Outside Dia | 7/8 in |
| Washer Inside Dia | 11/32 in |
| Inside Dia | 0.344 |
| Inside Diameter | 0.344 in |
| Outside Diameter | 7/8 in |
| Outside Diameter Tolerance | +/-0.010 in |
| For Screw Size | 5/16 in |
| Pack Size | Small Pack |
| Dimensional Standards | AMPG 2003 FIT-TIGHT.01 |
| Inside Diameter Tolerance | +/-0.010 in |
| Item | Flat Washer |
| Washer Basic Material | Steel |
| Fastener Finish | Black Oxide |
| Thickness | 0.130 in to 0.150 in |
| Washer Standards | N/A |
| System of Measurement | Inch |
| Flat Washer Type | Flat Washer |
| Package Quantity | 10 |
| Rockwell Hardness | B49 |
| Thickness Tolerance | +/-0.010 in |
| Washer Material Grade | Low Carbon |
| Application | General Purpose |
| Type | Large OD (Fender) |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Zoro | G1462903 | 9.48 | 1 | 166 | 1 |

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Structured data: `/python/html6/product/500/220000000/220080500/part_--Z9286---ZoroSelect--eed1597308.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp