5305-00-283-0316
Find complete technical information, availability, and procurement data for: 5305-00-283-0316
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A screw, machine or screw, cap, socket head whose unthreaded portion is of specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001 in.) (0.025 mm) or less of a specific diameter for items (1.000 in.) (25 mm) or less in diameter. Items over (1.000 in.) (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015 in.) (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001 in.) (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. The head is designed to be held or driven with an inserted driver. It is not designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads.
3a thread class, flat countersunk head style, 0.505 inches minimum and 0.572 inches maximum thread length, 1.703 inches minimum and 1.750 inches maximum fastener length, 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
- 3a
- Thread Direction
- right-hand
- Thread Length
- 0.505 inches minimum and 0.572 inches maximum
- Fastener Length
- 1.703 inches minimum and 1.750 inches maximum
- Head Style
- flat countersunk
- Head Diameter
- 0.625 inches minimum and 0.635 inches maximum
- Grip Diameter
- 0.3112 inches minimum and 0.3117 inches maximum
- Shank Unthreaded Hole Diameter
- 0.076 inches nominal first hole
- Internal Drive Style
- hexagon
- Nominal Thread Diameter
- 0.312 inches
- Grip Length
- 1.178 inches minimum and 1.198 inches maximum
- Width Across Flats
- 0.188 inches minimum and 0.190 inches maximum
- Thread Quantity Per Inch
- 24
- Minimum Tensile Strength
- 160000 pounds per square inch
- Hardness Rating
- 36.0 rockwell c minimum and 40.0 rockwell c maximum overall
- Countersink Angle
- 99.0 degrees minimum and 101.0 degrees maximum
- Distance From Head Largest Bearing Surface To Shank Hole Center
- 1.537 inches minimum and 1.557 inches maximum first hole
- Surface Finish
- 32.0 microinches grip
- Material
- steel comp 4140 or steel comp e4340 or steel comp 6150 or steel comp 8735 or steel comp 8740 overall
- Material Document And Classification
- mil-s-5626 mil spec 1st material response or mil-s-5000 mil spec 2nd material response or mil-s-8503 mil spec 3rd material response or mil-s-6098 mil spec 4th material response or mil-s-6049 mil spec 5th material response overall
- Thread Series Designator
- unf
- Specification/Standard Data
- 80205-nas335 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 |
|---|---|
| NAS335-15 | Close Tolerance Screw |
FAQs
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