NSN 5305-00-558-3490
High Torque Screw
Between 2.953 inches and 3.000 inches fastener length, flat countersunk head style, between 1.007 inches and 1.017 inches head diameter, grip diameter: between 0.4982 inches and 0.4991 inches .
Manufacturer part number NAS338CP27 for national stock number 5305005583490.
Datasheet
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Product description
Close Tolerance Screw NSN 5305-00-558-3490.
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MPN or Model
NAS338CP27
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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)
093486 - Bolts, Nuts Or Screws, NOI (sub 3) -
Thread Class
3a -
Thread Direction
Right-hand -
Thread Length
Between 0.755 inches and 0.822 inches -
Fastener Length
Between 2.953 inches and 3.000 inches -
Head Style
Flat countersunk -
Head Diameter
Between 1.007 inches and 1.017 inches -
Grip Diameter
Between 0.4982 inches and 0.4991 inches -
Shank Unthreaded Hole Diameter
0.106 inches first hole -
Internal Drive Style
Cross recess type 1 -
Thread Diameter
0.500 inches -
Grip Length
Between 2.178 inches and 2.198 inches -
Thready Qty Per Inch (tpi)
20 -
Min. Tensile Strength (psi)
160000 pounds per square inch -
Hardness Rating
36.0 rockwell c and 40.0 rockwell c -
Countersink Angle
Between 99.0 degrees and 101.0 degrees -
Distance From Head Largest Bearing Surface To Shank Hole Center
2.787 inches first hole and 2.807 inches first hole -
Surface Finish
32.0 microinches grip -
Material
Steel comp e4340 or steel comp 4140 or steel comp 8740 or steel comp 8735 or steel comp 6150 -
Surface Treatment
Cadmium and chromate -
Surface Treatment Specification
Qq-p-416, type 2, cl 3 federal specification single treatment response -
Thread Series Designator
Unf -
Specification Data
80205-nas338 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 5305-00-558-3490 close tolerance screwManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
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NAS338CP27 | National Aerospace Standards |