# Slotted Washer, Color Black, Finish Black Oxide, Flat Washer Type Slotted Flat Washer, For Screw Size 3/8 in, Material Steel, Material Grade/Class Grade 5, Maximum Thickness 0.375 in, Minimum Thickness 0.375 in, Outside Diameter 2 in, Pack Size Small Pack, Rockwell Hardness C40 Surface, Slot Width 0.406 in, System of Measurement Inch, Thickness Tolerance +/-0.015 in

**Manufacturer:** Zoro Select  
**MPN:** `Z9439`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Zoro Select |
| Manufacturer name | Zoro Select |
| Manufacturer | Zoro Select |
| CategoryId | 15201 |
| CategoryIdL1 | 9 |
| CategoryIdL2 | 4385 |
| CategoryIdL3 | 15199 |
| CategoryIdL4 | 15201 |
| CategoryL1 | Fasteners |
| CategoryL2 | Washers |
| CategoryL3 | General Washers |
| CategoryL4 | Slotted Washers |
| DimensionUnit | inch |
| GTIN | None |
| GraingerSku | 5RY91 |
| UPC | None |
| UnitOfMeasure | EA |
| Weight | 0.46 |
| WeightUnit | lbs |
| cali_prop65_orglabel | False |
| cali_prop65_whtlabel | False |
| color | Black |
| countryOfOrigin | US |
| height | 0.5 |
| jsonUrlData | 924526ffbdad25e5923b |
| length | 4 |
| moq | 1 |
| MPN | Z9439 |
| multiple | 1 |
| qtyInStock | 1 |
| qtyInStockOverride | 1 |
| qtySource | qtyInStockOverride |
| SKU | G1908593 |
| tierMinQty1 | 1 |
| tierPrice1 | 10.45 |
| url | https://www.zoro.com/zoro-select-slotted-washer-fits-bolt-size-38-in-steel-black-oxide-finish-z9439/i/G1908593/ |
| width | 2.5 |
| Fits Bolt Sizes | 3/8 in |
| Washer Outside Dia | 2 in |
| Washer Inside Dia | 13/32 in |
| Outside Dia | 2" |
| Slot Width | 0.406 in |
| Outside Diameter | 2 in |
| For Screw Size | 3/8 in |
| Flat Washer Type | Slotted Flat Washer |
| Item | Slotted Washer |
| Washer Basic Material | Steel |
| Material | Steel |
| Fastener Finish | Black Oxide |
| Finish | Black Oxide |
| Thickness | 0.375 in |
| Washer Standards | N/A |
| System of Measurement | Inch |
| Type | Easy On Slotted |
| For Use With | For Easy Installation And Removal Without Removing Nut Assembly |
| Washer Material Grade | 12L14 Low Carbon |
| Thickness Tolerance | +/-0.015 in |
| Rockwell Hardness | 15N80 |
| Color | Black |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Zoro | G1908593 | 10.45 | 1 | 1 | 1 |

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Structured data: `/python/html6/product/500/65000000/65313000/part_--Z9439---ZoroSelect--5a16598188.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp