P330-4057-040
View detailed technical data, stock status, and sourcing information for: P330-4057-040
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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.
0.420 inches minimum and 0.451 inches maximum thread length, 2a thread class, 0.469 inches minimum and 0.500 inches maximum fastener length, flat countersunk 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
- 0.420 inches minimum and 0.451 inches maximum
- Fastener Length
- 0.469 inches minimum and 0.500 inches maximum
- Head Style
- flat countersunk
- Head Diameter
- 0.191 inches minimum and 0.225 inches maximum
- Internal Drive Style
- cross recess type 1
- Nominal Thread Diameter
- 0.112 inches
- Thread Quantity Per Inch
- 40
- Countersink Angle
- 99.0 degrees minimum and 101.0 degrees maximum
- Screw Material
- steel corrosion resisting
- Screw Material Document And Classification
- qq-s-763,300 series fed spec single material response or 66,300 series fed std single material response or comp 16-18 or 18-8 assn std single material response
- Screw Surface Treatment
- oxide
- Screw Surface Treatment Document And Classification
- mil-c-13924 mil spec single treatment response
- Special Features
- thd fully to base of head
- Thread Series Designator
- unc
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 |
|---|---|
| 330-4057-040 | Machine Screw |
| 415-02-606 | Machine Screw |
| P330-4057-040 | Machine Screw |
FAQs
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What is the FSCG of the NSN 5305-00-432-3851?
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When the NSN 5305-00-432-3851 was assigned to the Federal Catalog?
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