NAS1731-4-6
View detailed technical data, stock status, and sourcing information for: NAS1731-4-6
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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, serrated with pilot head style, 3b thread class, 0.353 inches maximum head diameter, 0.020 inches minimum and 0.030 inches maximum head height
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Thread Class
- 3b
- Thread Direction
- right-hand
- Head Style
- serrated with pilot
- Head Diameter
- 0.353 inches maximum
- Head Height
- 0.020 inches minimum and 0.030 inches maximum
- Locking Feature
- prevailing torque all metal design
- Nut Style
- blind rivet w/smooth round shank
- Nut Diameter
- 0.325 inches minimum and 0.327 inches maximum
- Nut Length
- 0.377 inches minimum and 0.407 inches maximum
- Nut Grip Range
- +0.240 to 0.280 inches
- Shank End Type
- open
- Temp Rating
- 450.0 fahrenheit nominal
- Thread Series
- unjf
- Thread Quantity Per Inch
- 28
- Nominal Thread Size
- 0.250 inches
- Material
- steel comp 304 or steel comp 305 overall
- Material Document And Classification
- qq-s-763 fed spec single material response overall
- Surface Treatment
- passivate overall
- Surface Treatment Document And Classification
- qq-p-35 fed spec single treatment response overall
- Specification/Standard Data
- 80205-nas1731 professional/industrial association standard
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 |
|---|---|
| NAS1731-4-6 | Blind Rivet Self-Locking Nut |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5310-01-396-1758?
Does the NSN 5310-01-396-1758 have a Schedule B code assigned?
Does NSN 5310-01-396-1758 require demilitarization?
Does NSN 5310-01-396-1758 contain precious materials?
Does NSN 5310-01-396-1758 contain hazardous materials?
When the NSN 5310-01-396-1758 was assigned to the Federal Catalog?
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