NSN 5305-01-262-4721
High Torque Screw
Between 0.453 inches and 0.500 inches fastener length, flat countersunk head style, between 0.501 inches and 0.506 inches head diameter, grip diameter: between 0.2487 inches and 0.2495 inches .
Manufacturer part number 3M123-4D5P for national stock number 5305012624721.
Datasheet
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Product description
Close Tolerance Screw NSN 5305-01-262-4721.
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MPN or Model
3M123-4D5P
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Schedule B
7318.15.2000 (Bolts and bolts and their nuts or washers exported in the same shipment) -
Thread Class
3a -
Thread Direction
Right-hand -
Thread Length
Between 0.302 inches and 0.322 inches -
Fastener Length
Between 0.453 inches and 0.500 inches -
Head Style
Flat countersunk -
Head Diameter
Between 0.501 inches and 0.506 inches -
Grip Diameter
Between 0.2487 inches and 0.2495 inches -
Shank Unthreaded Hole Diameter
0.076 inches first hole -
Internal Drive Style
High-torque -
Thread Diameter
0.250 inches -
Grip Length
Between 0.296 inches and 0.343 inches -
Thready Qty Per Inch (tpi)
28 -
Hardness Rating
24.0 rockwell c and 44.0 rockwell c -
Countersink Angle
100.0 degrees -
Distance From Head Largest Bearing Surface To Shank Hole Center
0.624 inches first hole -
Material
Iron alloy 660 -
Surface Treatment
Passivate -
Surface Treatment Specification
Qq-p-35 federal specification single treatment response -
Thread Series Designator
Unf
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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.
![Mechanic Bill explains High Torque Screw](/public/images/billy-thinking.png)
Pricing and Availability
Get a quote for 5305-01-262-4721 close tolerance screwManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
---|---|
3M123-4D5P | Boeing Company, The |
HT123-4-5DP | Huck International, Inc. |
HT123-4-5DP | Huck Intl Inc |
Stock Check
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