NSN 5305-01-620-3987
High Torque Screw
2.063 inches fastener length, flat countersunk head style, between 0.577 inches and 0.635 inches head diameter, internal drive style: offset cruciform (torque set).
Manufacturer part number NAS1155-27 for national stock number 5305016203987.
Datasheet
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Product description
Close Tolerance Screw NSN 5305-01-620-3987.
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MPN or Model
NAS1155-27
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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
0.375 inches -
Fastener Length
2.063 inches -
Head Style
Flat countersunk -
Head Diameter
Between 0.577 inches and 0.635 inches -
Internal Drive Style
Offset cruciform (torque set) -
End Application
Powerplant/en -
Thread Diameter
0.312 inches -
Grip Length
1.688 inches -
Thready Qty Per Inch (tpi)
24 -
Min. Tensile Strength (psi)
160000 pounds per square inch -
Countersink Angle
Between 99.0 degrees and 101.0 degrees -
Part Name Assigned By Controlling Agency
Screw close tolerance -
Material
Steel comp 4140 or steel comp e4340 or steel comp 6150 or steel comp 8735 or steel comp 8740 -
Surface Treatment
Cadmium and chromate -
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 5305-01-620-3987 close tolerance screwManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
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NAS1155-27 | National Aerospace Standards |