5305-01-399-2043
Find complete technical information, availability, and procurement data for: 5305-01-399-2043
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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.
1.740 inches nominal thread length, 3.406 inches minimum and 3.500 inches maximum fastener length, 2a thread class, hexagon head style, 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
- 2a
- Thread Direction
- right-hand
- Thread Length
- 1.740 inches nominal
- Fastener Length
- 3.406 inches minimum and 3.500 inches maximum
- Head Style
- hexagon
- Head Height
- 0.455 inches minimum and 0.483 inches maximum
- Width Between Flats
- 1.100 inches minimum and 1.125 inches maximum
- Shank Unthreaded Hole Diameter
- 0.140 inches nominal grip
- Nominal Thread Diameter
- 0.375 inches
- Thread Quantity Per Inch
- 10
- Minimum Tensile Strength
- 70000 pounds per square inch
- Hardness Rating
- 235.0 brinell b maximum overall
- Minimum Yield Strength
- 40000 pounds per square inch
- Distance From Head Largest Bearing Surface To Shank Hole Center
- 3.197 inches minimum and 3.271 inches maximum grip
- Material
- steel comp 410 or steel comp 416 or steel comp 430 overall
- Material Document And Classification
- fed std 66 fed std all material responses overall
- Surface Treatment
- passivate overall
- Surface Treatment Document And Classification
- qq-p-35 fed spec single treatment response overall
- Thread Series Designator
- unc
- Nondefinitive Spec/Std Data
- 1 type and 10p style
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 |
|---|---|
| MS51109-167 | Hexagon Head Cap Screw |
FAQs
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