3140089-3
View detailed technical data, stock status, and sourcing information for: 3140089-3
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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.
right-hand thread direction, 5.50 millimeters minimum and 5.80 millimeters maximum head diameter, 20.0 millimeters minimum and 21.0 millimeters maximum thread length, 20.2 millimeters minimum and 21.0 millimeters maximum fastener length, pan 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 Direction
- right-hand
- Thread Length
- 20.0 millimeters minimum and 21.0 millimeters maximum
- Fastener Length
- 20.2 millimeters minimum and 21.0 millimeters maximum
- Head Style
- pan
- Head Diameter
- 5.50 millimeters minimum and 5.80 millimeters maximum
- Head Height
- 2.05 millimeters minimum and 2.30 millimeters maximum
- Locking Feature
- patch
- Internal Drive Style
- cross recess type 1
- Nominal Thread Diameter
- 3.0 millimeters
- Minimum Tensile Strength
- 80000 pounds per square inch
- Thread Pitch In Millimeters
- 0.5
- External Thread Tolerance Class
- 6g
- Screw Material
- steel
- Locking Feature Material
- plastic polyamide (nylon)
- Screw Material Document And Classification
- fed 66, 300 series fed std all material responses
- Screw Surface Treatment
- passivate
- Screw Surface Treatment Document And Classification
- qq-p-35 fed spec single treatment response
- Color
- black
- Thread Series Designator
- m
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 |
|---|---|
| 3140089-3 | Machine Screw |
FAQs
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What is the FSCG of the NSN 5305-01-390-1880?
Does NSN 5305-01-390-1880 require demilitarization?
Does NSN 5305-01-390-1880 contain precious materials?
Does NSN 5305-01-390-1880 contain hazardous materials?
When the NSN 5305-01-390-1880 was assigned to the Federal Catalog?
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