5305-01-272-9976
Find complete technical information, availability, and procurement data for: 5305-01-272-9976
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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.
1.150 inches nominal thread length, right-hand thread direction, 1.250 inches nominal fastener length, flat chamfer head style, 2a thread class
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Thread Class
- 2a
- Thread Direction
- right-hand
- Thread Length
- 1.150 inches nominal
- Fastener Length
- 1.250 inches nominal
- Head Style
- flat chamfer
- Head Diameter
- 0.500 inches nominal
- Head Height
- 0.250 inches nominal
- Shoulder Diameter
- 0.272 inches minimum and 0.274 inches maximum first shoulder
- Shoulder Length
- 0.438 inches nominal first shoulder
- Locking Feature
- pellet threads
- Internal Drive Style
- hexagon
- Nominal Thread Diameter
- 0.250 inches
- Width Across Flats
- 0.188 inches nominal
- Thread Quantity Per Inch
- 20
- Minimum Tensile Strength
- 170000 pounds per square inch
- Hardness Rating
- 38.0 rockwell c minimum and 45.0 rockwell c maximum fastener
- Minimum Yield Strength
- 150000 pounds per square inch
- Shoulder Shape
- round first shoulder
- Material
- plastic locking feature
- Material
- steel overall
- Material Document And Classification
- astm a108 assn std single material response overall
- Thread Series Designator
- unc
- Nondefinitive Spec/Std Data
- 6 type
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 |
|---|---|
| 1/4-20UNC-2AX1-1/4IN. LG | Shoulder Screw |
FAQs
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