218017881
View detailed technical data, stock status, and sourcing information for: 218017881
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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.
0.260 inches nominal hole diameter, 0.062 inches nominal thickness, round peripheral shape style, rectangular cross-sectional shape style, round center hole shape style
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
- 0.260 inches nominal
- Peripheral Shape Style
- round
- Center Hole Shape Style
- round
- Thickness
- 0.062 inches nominal
- Overall Diameter
- 0.688 inches nominal
- Material
- steel comp 301 or steel comp 302 or steel comp 316 overall
- Material Document And Classification
- 66 fed std all material responses overall
- Surface Treatment
- passivate overall
- Surface Treatment Document And Classification
- qq-p-35 fed spec single treatment response overall
- Nondefinitive Spec/Std Data
- a type and 1 grade and b class
- Departure From Cited Document
- as modified by id and od dim.
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 5310-00-480-2701 | No Name Available | 01/01/1983 |
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:
| Part Number | Name |
|---|---|
| 218017881 | Flat Washer |
| 2W1C16-22-62 | Flat Washer |
| 60-28-0723 | Flat Washer |
| FFW92TYPEAGRADE1CLASSB | Flat Washer |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5310-00-087-1471?
Does the NSN 5310-00-087-1471 have a Schedule B code assigned?
Does NSN 5310-00-087-1471 require demilitarization?
Does NSN 5310-00-087-1471 contain precious materials?
Does NSN 5310-00-087-1471 contain hazardous materials?
When the NSN 5310-00-087-1471 was assigned to the Federal Catalog?
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