C7530-4
View detailed technical data, stock status, and sourcing information for: C7530-4
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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.
prevailing torque all metal design locking feature, 0.086 inches minimum and 0.111 inches maximum pilot length, dry film lubricant lubrication, 3b thread class, 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
- 3b
- Thread Direction
- right-hand
- Locking Feature
- prevailing torque all metal design
- Pilot Length
- 0.086 inches minimum and 0.111 inches maximum
- Lubrication
- dry film lubricant
- Nut Style
- spline
- Nut Diameter
- 0.531 inches maximum
- Nut Height
- 0.199 inches maximum
- Thread Series
- unjf
- Thread Quantity Per Inch
- 28
- Hardness Rating
- 38.0 rockwell c minimum and 46.0 rockwell c maximum
- Nominal Thread Size
- 0.250 inches
- Material
- steel overall
- Material Document And Classification
- aisi 8740 assn std single material response or ams 6322 assn std single material response overall
- Surface Treatment
- cadmium overall
- Surface Treatment Document And Classification
- qq-p-416,type 2,class 2 fed spec single treatment response overall
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 |
|---|---|
| 5310PL0741346 | Spline Self-Locking Nut |
| 77377-4 | Spline Self-Locking Nut |
| C7530-4 | Spline Self-Locking Nut |
| LH11922-4 | Spline Self-Locking Nut |
| MN23-4 | Spline Self-Locking Nut |
| RMLH1192-4 | Spline Self-Locking Nut |
| SP50324-4 | Spline Self-Locking Nut |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5310-01-050-4255?
Does the NSN 5310-01-050-4255 have a Schedule B code assigned?
Does NSN 5310-01-050-4255 require demilitarization?
Does NSN 5310-01-050-4255 contain precious materials?
Does NSN 5310-01-050-4255 contain hazardous materials?
When the NSN 5310-01-050-4255 was assigned to the Federal Catalog?
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