5305-01-243-0157
Find complete technical information, availability, and procurement data for: 5305-01-243-0157
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An insulator that is essentially thin and flat, with one through hole centrally located. The general shape may vary by the addition of features such as beveled edges, indented surfaces, through hole keys, and/or peripheral flats. The thickness measured between the two parallel bearing surfaces must not exceed 25 percent of the outside diameter or the shortest distance between peripheral flats. The thickness measured between the two parallel bearing surfaces must not exceed 25 percent of the outside diameter or the shortest distance between peripheral flats. Excludes:items with more than one hole. See also insulator, disk; insulator, bead; insulator, bushing; and insulator, plate
0.331 inches minimum and 0.438 inches maximum thread length, flat countersunk head style, 1.356 inches minimum and 1.376 inches maximum fastener length, 3a thread class, 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
- 0.331 inches minimum and 0.438 inches maximum
- Fastener Length
- 1.356 inches minimum and 1.376 inches maximum
- Head Style
- flat countersunk
- Head Diameter
- 0.449 inches minimum and 0.507 inches maximum
- Locking Feature
- detent ball threads
- Grip Diameter
- 0.2483 inches minimum and 0.2492 inches maximum
- Internal Drive Style
- offset cruciform (torque set)
- Nominal Thread Diameter
- 0.250 inches
- Grip Length
- 0.938 inches minimum and 0.954 inches maximum
- Thread Quantity Per Inch
- 28
- Hardness Rating
- 36.0 rockwell c minimum and 41.0 rockwell c maximum overall
- Countersink Angle
- 99.0 degrees minimum and 101.0 degrees maximum
- Surface Finish
- 32.0 microinches grip
- Surface Finish
- 32.0 microinches threads
- Special Features
- internal drive ribbed
- Material
- steel comp e4340 or steel comp 4140 or steel comp 8740 or steel comp 4130 or steel comp 6150 overall
- Surface Treatment
- cadmium and chromate overall
- Surface Treatment Document And Classification
- qq-p-416 ty2,cl2 fed spec single treatment response overall
- Thread Series Designator
- unjf
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|---|---|
| 123256-4R-2415 | Close Tolerance Screw |
| AS303-24-15 | Close Tolerance Screw |
| LE111-0044-2415 | Close Tolerance Screw |
FAQs
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