5305-01-311-6249
Find complete technical information, availability, and procurement data for: 5305-01-311-6249
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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.
1.121 inches nominal fastener length, 3a thread class, fillister countersunk head style, right-hand thread direction, 0.668 inches minimum and 0.698 inches maximum thread length
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
- 0.668 inches minimum and 0.698 inches maximum
- Fastener Length
- 1.121 inches nominal
- Head Style
- fillister countersunk
- Grip Diameter
- 0.4360 inches minimum and 0.4370 inches maximum
- Internal Drive Style
- hexagon
- Nominal Thread Diameter
- 0.438 inches
- Grip Length
- 0.428 inches minimum and 0.448 inches maximum
- Thread Quantity Per Inch
- 20
- Minimum Tensile Strength
- 220000 pounds per square inch
- Material
- steel overall
- Material Document And Classification
- ams6487 assn std single material response overall
- Surface Treatment
- cadmium overall
- Surface Treatment Document And Classification
- nas672 assn std single treatment response overall
- Thread Series Designator
- unjf
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FAQs
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