5306-00-876-5657
Find complete technical information, availability, and procurement data for: 5306-00-876-5657
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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.
3a thread class, 1.750 inches nominal head diameter, 7.470 inches minimum and 7.490 inches maximum fastener length, dee chamfer head style, 0.410 inches minimum and 0.460 inches maximum thread length
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Thread Class
- 3a
- Thread Length
- 0.410 inches minimum and 0.460 inches maximum
- Fastener Length
- 7.470 inches minimum and 7.490 inches maximum
- Head Style
- dee chamfer
- Head Diameter
- 1.750 inches nominal
- Head Height
- 0.350 inches minimum and 0.410 inches maximum
- Distance From Centerline To Flat
- 0.800 inches minimum and 0.810 inches maximum
- Shank Unthreaded Hole Diameter
- 0.139 inches minimum and 0.145 inches maximum first hole
- Nominal Thread Diameter
- 0.875 inches
- Thread Quantity Per Inch
- 14
- Minimum Tensile Strength
- 180000 pounds per square inch
- Distance From Head Largest Bearing Surface To Shank Hole Center
- 7.070 inches minimum and 7.090 inches maximum first hole
- Thread Series Designator
- unf
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 |
|---|---|
| 388119-1 | Shoulder Bolt |
FAQs
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