NSN 5305-01-631-6471
High Torque Screw
Drilled threads and internal drive ribbed.
Manufacturer part number NAS1580C3R7D for national stock number 5305016316471.
Datasheet
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Product description
Close Tolerance Screw NSN 5305-01-631-6471.
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MPN or Model
NAS1580C3R7D
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Schedule B
7318.15.2000 (Bolts and bolts and their nuts or washers exported in the same shipment) -
NMF (National Motor Freight)
096640 - Screws, Iron Or Steel -
Thread Class
3a -
Thread Direction
Right-hand -
Thread Length
Between 0.338 inches and 0.388 inches -
Fastener Length
Between 0.786 inches and 0.816 inches -
Head Style
Flat countersunk -
Head Diameter
Between 0.339 inches and 0.381 inches -
Grip Diameter
Between 0.188 inches and 0.189 inches -
Internal Drive Style
Offset cruciform (torque set) -
Thread Diameter
0.190 inches -
Grip Length
Between 0.428 inches and 0.448 inches -
Thready Qty Per Inch (tpi)
32 -
Min. Tensile Strength (psi)
160000 pounds per square inch -
Countersink Angle
Between 99.0 degrees and 101.0 degrees -
Material
Iron alloy 660 -
Surface Treatment
Passivate -
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.
Pricing and Availability
Get a quote for 5305-01-631-6471 close tolerance screwManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
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NAS1580C3R7D | National Aerospace Standards |