NSN 5305-01-647-7018
High Torque Screw
1.703 inches fastener length, flat countersunk head style, 0.959 inches head diameter, head height: 0.215 inches .
Manufacturer part number NAS1158E20 for national stock number 5305016477018.
Datasheet
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Product description
Close Tolerance Screw NSN 5305-01-647-7018.
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MPN or Model
NAS1158E20
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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
0.453 inches -
Fastener Length
1.703 inches -
Head Style
Flat countersunk -
Head Diameter
0.959 inches -
Head Height
0.215 inches -
Grip Diameter
Between 0.4985 inches and 0.4995 inches -
Shank Unthreaded Hole Diameter
0.106 inches and 0.116 inches all holes -
Point Style
Flat -
Internal Drive Style
Offset cruciform (torque set) -
Thread Diameter
0.5000 inches -
Grip Length
1.250 inches -
Thready Qty Per Inch (tpi)
20 -
Min. Tensile Strength (psi)
17460 pounds per square inch -
Countersink Angle
Between 99.0 degrees and 101.0 degrees -
Distance From Head Largest Bearing Surface To Shank Hole Center
1.58 inches all holes -
Part Name Assigned By Controlling Agency
Screw machine-flat 100 degrees head close tolerance short thread offset cruciform 160 ksi -
Material
Iron alloy 660 -
Material Specification
Ams5737 assn standard single material response -
Surface Treatment
Passivate -
Surface Treatment Specification
Qq-p-35 type ii or viii 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.
Pricing and Availability
Get a quote for 5305-01-647-7018 close tolerance screwManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
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NAS1158E20 | National Aerospace Standards |