# Midwest Fastener provides a full line of welded fastening products. We provide a complete line of fasteners to meet user needs. We set the standard for Insulation Fasteners and Stud Welding products in a wide range of applications. We are committed to make a display resets as hassle-free as possible. Features 2.75 x 3.12 Large O Ring - Rubber Fatigue testing machine Elevated temperature Stress Rupture Hardness testing Plating thickness testing Salt spray testing De-embrittlement testing Made in USA 5 Pieces Specifications Diameter 1: 2-3/4" Diameter 2: 3-1/8" Thickness: 3/16" Material: Rubber Type: O-Ring Length: 3-1/8" Weight: 0.19 lbs - SKU: MWFST58135

**Manufacturer:** Midwest Fastener Corp  
**MPN:** `mf78203`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Midwest Fastener Corp |
| Manufacturer name | Midwest Fastener Corp |
| Manufacturer | Midwest Fastener Corp |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Walmart | 467174822 | 8.25 | 1 | None | 1 |

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Structured data: `/python/html6/product/500/63000000/63247000/part_--mf78203---MidwestFastenerCorp--02696429fd.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp