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NSN 5305-01-461-8936

High Torque Screw

About this product

0.813 inches fastener length, flat countersunk head style, between 0.4289 inches and 0.4787 inches head diameter, head height: 0.707 inches .

Manufacturer part number NAS1581C5R4 for national stock number 5305014618936.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-461-8936.

  • MPN or Model

    NAS1581C5R4

  • 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)
  • Unit Weight (Est.)
    0.1 lb
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    Between 0.736 inches and 0.766 inches
  • Fastener Length
    0.813 inches
  • Head Style
    Flat countersunk
  • Head Diameter
    Between 0.4289 inches and 0.4787 inches
  • Head Height
    0.707 inches
  • Grip Diameter
    Between 0.3110 inches and 0.3120 inches
  • Internal Drive Style
    Torque-set ribbed
  • Thread Diameter
    0.312 inches
  • Grip Length
    Between 0.240 inches and 0.260 inches
  • Thready Qty Per Inch (tpi)
    24
  • Countersink Angle
    Between 99.0 degrees and 101.0 degrees
  • Material
    Stainless steel
  • Material Specification
    Ams5731 assn standard single material response or ams5732 assn standard single material response or ams5737 assn standard single material response or ams5853 assn standard single material response
  • Surface Treatment
    Passivate
  • Surface Treatment Specification
    Qq-p-35 federal specification single treatment response
  • Thread Series Designator
    Unjf
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Close Tolerance Screw

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.

Mechanic Bill explains High Torque Screw

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NSN 5305014618936

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
NAS1581C5R4 National Aerospace Standards
NAS1581C5R4 National Aerospace Standards
NAS1581C5R4 National Aerospace Standards
NAS1581C5R4 National Aerospace Standards
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