F12090-1-4
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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.
dry film lubricant lubrication, right-hand thread direction, 0.098 inches minimum and 0.103 inches maximum mounting hole diameter, 3b thread class, prevailing torque all metal design locking feature
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
- Lubrication
- dry film lubricant
- Mounting Hole Diameter
- 0.098 inches minimum and 0.103 inches maximum
- Nut Style
- plate
- Nut Length
- 1.296 inches maximum
- Nut Height
- 0.282 inches maximum
- Plate Thickness
- 0.040 inches maximum
- Plate Width
- 0.516 inches maximum
- Nut Counterbore Depth
- 0.062 inches minimum nut
- Nut Mounting Provision
- straight holes
- Mounting Hole Arrangement Style
- 2 holes
- Distance From Aperture Center To Mounting Hole Center
- 0.495 inches minimum and 0.505 inches maximum
- Center To Center Distance Between Mounting Holes Along Length
- 0.998 inches minimum and 1.002 inches maximum
- Thread Series
- unjf
- Features Provided
- floating nut
- Thread Quantity Per Inch
- 28
- Nominal Thread Size
- 0.250 inches
- Special Features
- nut surfaces dyed yellow
- Material
- iron alloy 660 overall
- Material Document And Classification
- ams 5525 assn std single material response or ams 5732 assn std single material response overall
- Specification/Standard Data
- 76301-st3-719 manufacturers standard
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| Part Number | Name |
|---|---|
| 10122054 | Plate Self-Locking Nut |
| BFN719C4M1 | Plate Self-Locking Nut |
| F12090-1-4 | Plate Self-Locking Nut |
| F50339-4-1 | Plate Self-Locking Nut |
| MCRF220C3M1 | Plate Self-Locking Nut |
| NS202211-048-1 | Plate Self-Locking Nut |
| ST3M719C4M1 | Plate Self-Locking Nut |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5310-01-050-6165?
Does the NSN 5310-01-050-6165 have a Schedule B code assigned?
Does NSN 5310-01-050-6165 require demilitarization?
Does NSN 5310-01-050-6165 contain precious materials?
Does NSN 5310-01-050-6165 contain hazardous materials?
When the NSN 5310-01-050-6165 was assigned to the Federal Catalog?
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