# Castle Nut, Finish Black Oxide, Material Steel, Material Grade/Class Grade 2H, Thread Size 7/8 In.-9, Hex Width 1 7/16 in, Hex Type Heavy Hex, Lock Type Slotted Castle, Dimensional Standards ASME B18.2.2, Material Quality Standards ASTM A1194 Gr.2H, System of Measurement Inch, Thread Direction Right Hand, Pack Size Small Pack, Package Quantity 5

**Manufacturer:** Zoro Select  
**MPN:** `U12040.087.0001`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Zoro Select |
| Manufacturer name | Zoro Select |
| Manufacturer | Zoro Select |
| CategoryId | 17886 |
| CategoryIdL1 | 9 |
| CategoryIdL2 | 4388 |
| CategoryIdL3 | 17886 |
| CategoryL1 | Fasteners |
| CategoryL2 | Nuts |
| CategoryL3 | Castle Nuts |
| DimensionUnit | inch |
| GTIN | None |
| GraingerSku | 41UA09 |
| UPC | None |
| UnitOfMeasure | PK |
| Weight | 1.3 |
| WeightUnit | lbs |
| cali_prop65_orglabel | False |
| cali_prop65_whtlabel | False |
| countryOfOrigin | ZZ |
| height | 1.1 |
| jsonUrlData | 924526ffbdad25e5923b |
| length | 5 |
| moq | 1 |
| MPN | U12040.087.0001 |
| multiple | 1 |
| qtyInStock | 0 |
| qtyInStockOverride | Drop Ship |
| SKU | G2520537 |
| tierMinQty1 | 1 |
| tierPrice1 | 23.39 |
| url | https://www.zoro.com/zoro-select-78-9-grade-2h-plain-finish-steel-round-slotted-castle-nut-5-pk-u120400870001/i/G2520537/ |
| width | 3.7 |
| Dia /Thread Size | 7/8"-9 |
| Thread Size | 7/8"-9 |
| Dimensional Standards | ASME B18.2.2 |
| Hex Width | 1 7/16 in |
| Width Across Flats | 1 7/16 in |
| Item | Castle Nut |
| Nut Style | Hex Slotted Nut-Heavy |
| Hex Type | Heavy Hex |
| Basic Material | Steel |
| Lock Type | Slotted Castle |
| Material Grade | Grade 2H |
| Material | Steel |
| Fastener Finish | Plain |
| Material Grade/Class | Grade 2H |
| Fastener Thread Direction | Right Hand |
| Finish | Black Oxide |
| Nut Standards | ASME B18.2.2 |
| System of Measurement | Inch |
| Thread Direction | Right Hand |
| Thread Type | UNC |
| Fastener Thread Type | UNC (Coarse) |
| Material Quality Standards | ASTM A1194 Gr.2H |
| Type | Slotted |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Zoro | G2520537 | 23.39 | 1 | None | 1 |
| Grainger | 41UA09 |  |  | None | 1 |

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Structured data: `/python/html6/product/500/89000000/89188000/part_--U120400870001---ZoroSelect--828503a073.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp