5320-00-637-2746
Find complete technical information, availability, and procurement data for: 5320-00-637-2746
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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.
flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style, 0.302 inches minimum and 0.322 inches maximum fastener length, straight shank style, 0.090 inches minimum and 0.135 inches maximum head major diameter, 0.061 inches minimum and 0.065 inches maximum shank diameter
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Fastener Length
- 0.302 inches minimum and 0.322 inches maximum
- Head Style
- flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer)
- Shank Diameter
- 0.061 inches minimum and 0.065 inches maximum
- Shank Style
- straight
- Head Major Diameter
- 0.090 inches minimum and 0.135 inches maximum
- Grip Length
- 0.218 inches nominal
- Shear Strength
- 49000 single pounds per square inch
- Countersink Angle
- 98.5 degrees minimum and 101.5 degrees maximum
- Material
- nickel alloy 400 or nickel alloy r-405 overall
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 5320-00-270-2987 | 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:
| Part Number | Name |
|---|---|
| AN427M2-5 | Solid Rivet |
| MS20427M2-5 | Solid Rivet |
FAQs
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Does NSN 5320-00-637-2746 require demilitarization?
Does NSN 5320-00-637-2746 contain precious materials?
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When the NSN 5320-00-637-2746 was assigned to the Federal Catalog?
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