752-6404390-88
View detailed technical data, stock status, and sourcing information for: 752-6404390-88
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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, 2.300 inches nominal fastener length, 2a thread class, 0.600 inches nominal thread length, knurled no. 5 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 Class
- 2a
- Thread Direction
- right-hand
- Thread Length
- 0.600 inches nominal
- Fastener Length
- 2.300 inches nominal
- Head Style
- knurled no. 5
- Head Diameter
- 0.750 inches nominal
- Head Height
- 0.500 inches nominal
- First Diameter From Head
- 0.188 inches nominal
- Distance From Largest Bearing Surface Of Head To End Of First Diameter
- 1.700 inches nominal
- Internal Drive Style
- slot
- Nominal Thread Diameter
- 0.250 inches
- Thread Quantity Per Inch
- 20
- Externally Relieved Body Diameter Quantity
- 1
- Material
- steel comp 304 overall
- Material Document And Classification
- qq-s-763 fed spec single material response overall
- 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 |
|---|---|
| 752-6404390-88 | Externally Relieved Body Screw |
FAQs
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What is the FSCG of the NSN 5305-01-444-1054?
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Does NSN 5305-01-444-1054 require demilitarization?
Does NSN 5305-01-444-1054 contain precious materials?
Does NSN 5305-01-444-1054 contain hazardous materials?
When the NSN 5305-01-444-1054 was assigned to the Federal Catalog?
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