5305-01-250-0640
Find complete technical information, availability, and procurement data for: 5305-01-250-0640
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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.
flat countersunk head style, 3a thread class, 0.444 inches minimum and 0.494 inches maximum thread length, right-hand thread direction, 1.204 inches minimum and 1.234 inches maximum fastener 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
- 0.444 inches minimum and 0.494 inches maximum
- Fastener Length
- 1.204 inches minimum and 1.234 inches maximum
- Head Style
- flat countersunk
- Head Diameter
- 0.497 inches minimum and 0.507 inches maximum
- Grip Diameter
- 0.2490 inches minimum and 0.2495 inches maximum
- Internal Drive Style
- high-torque
- Nominal Thread Diameter
- 0.250 inches
- Grip Length
- 0.740 inches minimum and 0.760 inches maximum
- Thread Quantity Per Inch
- 28
- Countersink Angle
- 99.0 degrees minimum and 101.0 degrees maximum
- Special Features
- tapped hole in head 0.1380-32,unjc-3b threads; distance from head top to injection port 0.140 in.; injection port 0.120 in. lg,0.060 in. w
- Material
- titanium alloy uns r56400 overall
- Material Document And Classification
- ams4928 assn std single material response or ams4967 assn std single material response overall
- Thread Series Designator
- unf
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| 11839V4-12-14 | Close Tolerance Screw |
| 3M1034V4-12-14 | Close Tolerance Screw |
| HT4075V4-12-14 | Close Tolerance Screw |
FAQs
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When the NSN 5305-01-250-0640 was assigned to the Federal Catalog?
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