# Ampg

**Manufacturer:** Ampg  
**MPN:** `Z9478F-SS`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Ampg |
| Manufacturer name | Ampg |
| Manufacturer | Ampg |
| DimensionUnit | inch |
| GraingerSku | 62UV90 |
| Extra Product Name | Ampg |
| UnitOfMeasure | EA |
| Weight | 0.6 |
| WeightUnit | lbs |
| cali_prop65_orglabel | False |
| cali_prop65_whtlabel | False |
| countryOfOrigin | US |
| extendedLead | 11 |
| extendedQty | -2 |
| height | 0.5 |
| jsonUrlData | 924526ffbdad25e5923b |
| length | 2.5 |
| moq | 1 |
| MPN | Z9478F-SS |
| multiple | 1 |
| qtyInStock | 0 |
| qtyInStockOverride | Drop Ship |
| SKU | G8767696 |
| tierMinQty1 | 1 |
| tierPrice1 | 28.29 |
| url | https://www.zoro.com/ampg-spherical-washer-fits-bolt-size-1-18-18-8-ss-unfinished-finish-z9478f-ss/i/G8767696/ |
| width | 2.5 |
| Item | Spherical Washer |
| Material | 18-8 SS |
| Finish | Unfinished |
| Fits Bolt Sizes | 1-1/8 |
| Outside Dia | 2 1/4 in |
| Female I D | 1 1/4 in |
| Radius | 3 in |
| Thickness | 0.345-0.355 |
| Package Quantity | 1 |
| System of Measurement | Inch |
| Washer Material Grade | 303 (18-8 SS) |
| Thickness Tolerance | +/-0.005 in |
| Rockwell Hardness | B83 |
| Application | Clamping & Fixturing |
| Bottom Washer Inside Diameter | 1.25 |
| Bottom Washer Outside Diameter | 2.25 |
| Product Type | Washer |
| Style | Spherical Female |
| Nominal Thickness | 0.35 |
| Country of Origin (subject to change) | United States |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Zoro | G8767696 | 28.29 | 1 | None | 1 |
| Misumi USA | Z9478F-SS | 26.57 | 1 | None | 1 |

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Structured data: `/python/html6/product/500/245000000/245376000/part_--Z9478FSS---Ampg--5c8f8b1dac.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp