NSN 5305-01-588-3870
High Torque Screw
Between 1.888 inches and 1.918 inches fastener length, flat countersunk head style, 0.464 inches head diameter, grip diameter: between 0.249 inches and 0.250 inches .
Manufacturer part number NAS1580A4T24 for national stock number 5305015883870.
Datasheet
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Product description
Close Tolerance Screw NSN 5305-01-588-3870.
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MPN or Model
NAS1580A4T24
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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
0.403 inches -
Fastener Length
Between 1.888 inches and 1.918 inches -
Head Style
Flat countersunk -
Head Diameter
0.464 inches -
Grip Diameter
Between 0.249 inches and 0.250 inches -
Internal Drive Style
Offset cruciform (torque set) -
Thread Diameter
0.250 inches -
Grip Length
1.500 inches -
Thready Qty Per Inch (tpi)
28 -
Min. Tensile Strength (psi)
5790 pounds per square inch -
Countersink Angle
100.0 degrees -
Material
Steel comp 4140 or steel comp 4340 or steel comp 8740 -
Surface Treatment
Cadmium -
Surface Treatment Specification
Qq-p-416, type ii, class 2 federal specification single treatment response -
Thread Series Designator
Unjf
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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 5305-01-588-3870 close tolerance screwManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
---|---|
NAS1580A4T24 | National Aerospace Standards |
Stock Check
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