QA1 JNR12S Carbon Jam Nut. The QA1 JNR12S is a precision carbon jam nut designed for automotive and engine applications, offering a partially threaded #2-56 configuration with an external hex drive. Constructed from carbon steel with a carbon fiber exterior finish (unfinished), this jam nut provides reliable fastening for connecting rod and engine part assemblies. Item weight is 13.61 g and item dimensions are 4 x 2 x 1 inches. Manufacturer: QA1 Precision Products, Inc. UPC/GTIN: 806990010681. Fastener features include partially threaded coverage, Unified National thread style/type, and classification as a jam type fastener.
- Product Name: Carbon Nut
- Fastener Type: Jam
- Metal Type: Carbon Steel
- Finish Type: Unfinished
- Exterior Finish: Carbon Fiber
- Thread Style: Unified National
- Thread Coverage: Partially Threaded
- Product Type: NUTS
- Item Type Name: Nut
Specifications:
| Materials & Construction |
| Material | Carbon |
| Outer Material | Carbon |
| Product Details |
| Drive Style | External Hex |
| Exterior Finish | Carbon Fiber |
| Fastener Type | Jam |
| Finish Types | Carbon Fiber |
| Global Trade Identification Number | 00806990010681 |
| GTIN | 806990010681 |
| Material | Carbon |
| Material Type | Carbon |
| Metal Type | Carbon Steel |
| Thread Coverage | Partially Threaded |
| Thread Size | #2-56 |
| Thread Style | Unified National |
| Thread Type | Unified National |
| Sizing & Dimensions |
| Height | 1 inches |
| Length | 4 inches |
| Product Dimensions | 4 x 2 x 1 inches |
| Size | 4 x 2 x 1 inches |
| Weight | 0.48 ounces |
| Width | 2 inches |
| Technical Specifications |
| Item Dimensions | 4 x 2 x 1 inches |
