571409-2
View detailed technical data, stock status, and sourcing information for: 571409-2
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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.
7.410 inches minimum and 7.450 inches maximum fastener length, double hexagon extended washer head style, 1.260 inches minimum and 1.300 inches maximum thread length, right-hand thread direction, 3a thread class
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
- 1.260 inches minimum and 1.300 inches maximum
- Fastener Length
- 7.410 inches minimum and 7.450 inches maximum
- Head Style
- double hexagon extended washer
- Head Height
- 0.395 inches minimum and 0.415 inches maximum
- Width Between Flats
- 0.430 inches minimum and 0.439 inches maximum
- Extended Washer Diameter
- 0.820 inches minimum and 0.840 inches maximum
- Extended Washer Thickness
- 0.065 inches minimum and 0.085 inches maximum
- First Diameter From Head
- 0.373 inches minimum and 0.374 inches maximum
- Second Diameter From Head
- 0.315 inches minimum and 0.320 inches maximum
- Third Diameter From Head
- 0.373 inches minimum and 0.374 inches maximum
- Fourth Diameter From Head
- 0.315 inches minimum and 0.320 inches maximum
- Fifth Diameter From Head
- 0.373 inches minimum and 0.374 inches maximum
- Distance From Largest Bearing Surface Of Head To End Of First Diameter
- 0.400 inches minimum and 0.440 inches maximum
- Distance From Largest Bearing Surface Of Head To End Of Second Diameter
- 3.400 inches minimum and 3.440 inches maximum
- Distance From Largest Bearing Surface Of Head To End Of Third Diameter
- 3.780 inches minimum and 3.860 inches maximum
- Distance From Largest Bearing Surface Of Head To End Of Fourth Diameter
- 5.690 inches minimum and 5.810 inches maximum
- Distance From Largest Bearing Surface Of Head To End Of Fifth Diameter
- 6.070 inches minimum and 6.230 inches maximum
- Nominal Thread Diameter
- 0.375 inches
- Thread Quantity Per Inch
- 24
- Minimum Tensile Strength
- 210000 pounds per square inch
- Externally Relieved Body Diameter Quantity
- 5
- Material
- steel overall
- Material Document And Classification
- ams 5629 assn std single material response overall
- Thread Series Designator
- unjf
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 |
|---|---|
| 571409-2 | Externally Relieved Body Bolt |
FAQs
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What is the FSCG of the NSN 5306-00-298-9204?
Does the NSN 5306-00-298-9204 have a Schedule B code assigned?
Does NSN 5306-00-298-9204 require demilitarization?
Does NSN 5306-00-298-9204 contain precious materials?
Does NSN 5306-00-298-9204 contain hazardous materials?
When the NSN 5306-00-298-9204 was assigned to the Federal Catalog?
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