18Z59
View detailed technical data, stock status, and sourcing information for: 18Z59
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A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The maximum tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use shim. For items fabricated from ceramic or electrically rated materials by specification or industry standards use insulator (1), washer. Excludes:disk, valve, graphite impregnated and lubricated items.
round center hole shape style, round peripheral shape style, 0.115 inches minimum and 0.125 inches maximum thickness, rectangular cross-sectional shape style, 0.802 inches minimum and 0.822 inches maximum hole diameter
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Cross-Sectional Shape Style
- rectangular
- Hole Diameter
- 0.802 inches minimum and 0.822 inches maximum
- Peripheral Shape Style
- round
- Center Hole Shape Style
- round
- Thickness
- 0.115 inches minimum and 0.125 inches maximum
- Overall Diameter
- 1.369 inches minimum and 1.373 inches maximum
- Hardness Rating
- 80.0 rockwell b nominal
- Material
- steel comp 1010 overall
- Material Document And Classification
- qq-s-633-canceled fed spec single material response overall
- Surface Treatment
- copper overall
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 5310-00-537-0769 | No Name Available | 01/01/1960 |
Related Parts
This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5310-00-188-4175?
Does the NSN 5310-00-188-4175 have a Schedule B code assigned?
Does NSN 5310-00-188-4175 require demilitarization?
Does NSN 5310-00-188-4175 contain precious materials?
Does NSN 5310-00-188-4175 contain hazardous materials?
When the NSN 5310-00-188-4175 was assigned to the Federal Catalog?
Professional Distribution
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Pricing
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