MS21086-5K
View detailed technical data, stock status, and sourcing information for: MS21086-5K
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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.
3b thread class, plate nut style, right-hand thread direction, prevailing torque all metal design locking feature, 0.130 inches minimum and 0.135 inches maximum mounting hole diameter
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
- Mounting Hole Diameter
- 0.130 inches minimum and 0.135 inches maximum
- Nut Style
- plate
- Nut Length
- 0.747 inches maximum
- Nut Height
- 0.328 inches maximum
- Plate Thickness
- 0.065 inches maximum
- Plate Width
- 0.475 inches minimum and 0.505 inches maximum
- Nut Mounting Provision
- dimpled holes
- Mounting Hole Arrangement Style
- 2 holes
- Distance From Aperture Center To Mounting Hole Center
- 0.354 inches minimum and 0.364 inches maximum
- Center To Center Distance Between Mounting Holes Along Width
- 0.267 inches minimum and 0.271 inches maximum
- Thread Series
- unf
- Thread Quantity Per Inch
- 24
- Hardness Rating
- 49.0 rockwell c maximum
- Nominal Thread Size
- 0.312 inches
- Material
- steel overall
- Surface Treatment
- cadmium overall
- Specification/Standard Data
- 96906-ms21086-5k government specification
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 |
|---|---|
| MS21086-5K | Plate Self-Locking Nut |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5310-01-106-3880?
Does the NSN 5310-01-106-3880 have a Schedule B code assigned?
Does NSN 5310-01-106-3880 require demilitarization?
Does NSN 5310-01-106-3880 contain precious materials?
Does NSN 5310-01-106-3880 contain hazardous materials?
When the NSN 5310-01-106-3880 was assigned to the Federal Catalog?
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