5305-01-329-7668
Find complete technical information, availability, and procurement data for: 5305-01-329-7668
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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, 1.460 inches minimum and 1.500 inches maximum fastener length, flat chamfer head style, 1.000 inches minimum thread 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
- 1.000 inches minimum
- Fastener Length
- 1.460 inches minimum and 1.500 inches maximum
- Head Style
- flat chamfer
- Head Diameter
- 0.365 inches minimum and 0.375 inches maximum
- Head Height
- 0.244 inches minimum and 0.250 inches maximum
- Hole Diameter
- 0.044 inches minimum and 0.050 inches maximum
- Internal Drive Style
- hexagon
- Nominal Thread Diameter
- 0.250 inches
- Width Across Flats
- 0.187 inches minimum and 0.190 inches maximum
- Hole Quantity
- 6
- Hole Type
- drilled
- Thread Quantity Per Inch
- 28
- Minimum Tensile Strength
- 180000 pounds per square inch
- Hardness Rating
- 39.0 rockwell c minimum and 45.0 rockwell c maximum overall
- Minimum Yield Strength
- 155000 pounds per square inch
- Hole Configuration Style
- round internal hexagon
- Color
- black overall
- Material
- steel overall
- Surface Treatment
- oxide overall
- Surface Treatment Document And Classification
- mil-s-13924,cl 3 mil spec single treatment response overall
- Thread Series Designator
- unrf
- Specification/Standard Data
- 80205-nas1351 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 |
|---|---|
| NAS1351-4H24 | Socket Head Cap Screw |
FAQs
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