5310-01-304-7972
Find complete technical information, availability, and procurement data for: 5310-01-304-7972
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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.
0.250 inches minimum and 0.280 inches maximum washer counterbore diameter, 3b thread class, prevailing torque all metal design locking feature, 0.420 inches maximum washer outside diameter, right-hand thread direction
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Thread Class
- 3b
- Thread Direction
- right-hand
- Locking Feature
- prevailing torque all metal design
- Washer Outside Diameter
- 0.420 inches maximum
- Counterbore Diameter
- 0.250 inches minimum and 0.280 inches maximum washer
- Lubrication
- dry film lubricant
- Overall Height
- 0.204 inches minimum and 0.219 inches maximum
- Nut Style
- hexagon
- Washer Thickness
- 0.019 inches minimum
- Nut Counterbore Depth
- 0.007 inches minimum and 0.036 inches maximum washer
- Width Across Flats
- 0.304 inches minimum and 0.316 inches maximum
- Temp Rating
- 450.0 fahrenheit maximum
- Thread Series
- unjf
- Thread Quantity Per Inch
- 28
- Nominal Thread Size
- 0.250 inches
- Material
- iron alloy 660 overall
- Material Document And Classification
- ams 5525 assn std single material response or ams 5732 assn std single material response overall
- Surface Treatment
- cadmium and chromate overall
- Surface Treatment Document And Classification
- qq-p-416,type 2,class 2 fed spec single treatment response overall
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 5310-01-626-6541 | No Name Available | 05/01/2017 |
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FAQs
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When the NSN 5310-01-304-7972 was assigned to the Federal Catalog?
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