STSCD002-12
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A high strength, 160,000 pounds per square inch (1100 megapascals) minimum tensile strength externally threaded fastener designed for use in applications involving great shear stress. The head is designed to accommodate an external wrench or driver. The head is not designed to be held or driven with an inserted driver, nor is it designed for rotation by the thumb and fingers. The unthreaded portion is of specific grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001) of an inch (0.025 mm) or less of a specific diameter for items one inch (25 mm) or less in diameter. Items over one inch (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015) of an inch (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001) of an inch (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the screw thread standards, fed std h28 and/or other nationally recognized standards. A locking feature may be incorporated in the design of the head or threads. See bolt, machine and bolt, clevis.
soluble lubricant lubrication, 3b thread class, right-hand thread direction, double hexagon nut style, 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
- soluble lubricant
- Nut Style
- double hexagon
- Nut Height
- 0.312 inches maximum
- Width Across Flats
- 0.553 inches minimum and 0.564 inches maximum
- Temp Rating
- -65.0 fahrenheit minimum and 450.0 fahrenheit maximum
- Thread Series
- unjf
- Thread Quantity Per Inch
- 24
- Hardness Rating
- 38.0 rockwell c minimum and 45.0 rockwell c maximum
- Nominal Thread Size
- 0.375 inches
- Bearing Surface Type
- chamfered
- Bearing Surface Finish
- 125.0 microinches
- Material
- steel comp 8630 or steel comp 601 or steel comp 8740 overall
- Material Document And Classification
- ams 6280 assn std 1st material response or ams 6304 assn std 2nd material response or ams 6322 assn std 3rd material response overall
- Surface Treatment
- cadmium overall
- Surface Treatment Document And Classification
- qq-p-416,ty 2,cl 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 |
|---|---|
| 68456-6 | Double Hexagon Self-Locking Nut |
| STSCD002-12 | Double Hexagon Self-Locking Nut |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5310-00-490-2784?
Does the NSN 5310-00-490-2784 have a Schedule B code assigned?
Does NSN 5310-00-490-2784 require demilitarization?
Does NSN 5310-00-490-2784 contain precious materials?
Does NSN 5310-00-490-2784 contain hazardous materials?
When the NSN 5310-00-490-2784 was assigned to the Federal Catalog?
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