NSN 5305-01-186-2178
High Torque Screw
Painted black.
Manufacturer part number NAS4403B10 for national stock number 5305011862178.
Datasheet
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Product description
Close Tolerance Screw NSN 5305-01-186-2178.
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MPN or Model
NAS4403B10
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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
0.323 inches -
Fastener Length
Between 0.933 inches and 0.963 inches -
Head Style
Flat countersunk -
Head Diameter
0.381 inches -
Grip Diameter
Between 0.1885 inches and 0.1895 inches -
Internal Drive Style
Tri-wing recess -
Thread Diameter
0.190 inches -
Grip Length
Between 0.615 inches and 0.635 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
Steel comp 4340 or steel comp 8740 -
Material Specification
Mil-s-5000 military specification 1st material response or mil-s-6049 military specification 2nd material response -
Surface Treatment
Cadmium and paint -
Surface Treatment Specification
Qq-p-416a, type 2, cl 3 federal specification 1st treatment response -
Thread Series Designator
Unjf -
Specification Data
80205-nas4403 professional/industrial association standard
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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 5305-01-186-2178 close tolerance screwManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
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NAS4403B10 | National Aerospace Standards |