5305-00-576-2353
Find complete technical information, availability, and procurement data for: 5305-00-576-2353
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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, right-hand thread direction, 0.750 inches maximum thread length, 0.750 inches nominal fastener length, flat chamfer head style
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 Direction
- right-hand
- Thread Length
- 0.750 inches maximum
- Fastener Length
- 0.750 inches nominal
- Head Style
- flat chamfer
- Head Diameter
- 0.265 inches minimum and 0.275 inches maximum
- Head Height
- 0.160 inches minimum and 0.164 inches maximum
- Internal Drive Style
- hexagon
- Nominal Thread Diameter
- 0.164 inches
- Width Across Flats
- 0.125 inches minimum and 0.127 inches maximum
- Thread Quantity Per Inch
- 32
- Minimum Tensile Strength
- 170000 pounds per square inch
- Hardness Rating
- 38.0 rockwell c minimum and 42.0 rockwell c maximum overall
- Material
- steel overall
- Surface Treatment
- cadmium overall
- Thread Series Designator
- unc
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 5305-00-576-2253 | No Name Available | 01/01/1963 |
FAQs
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When the NSN 5305-00-576-2353 was assigned to the Federal Catalog?
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