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NSN 5305-00-411-6534

High Torque Screw

About this product

Between 1.758 inches and 1.805 inches fastener length, flat countersunk head style, between 1.007 inches and 1.017 inches head diameter, grip diameter: between 0.4985 inches and 0.4995 inches .

Manufacturer part number 66117H8-18 for national stock number 5305004116534.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-00-411-6534.

  • MPN or Model

    66117H8-18

  • 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 0.623 inches and 0.690 inches
  • Fastener Length
    Between 1.758 inches and 1.805 inches
  • Head Style
    Flat countersunk
  • Head Diameter
    Between 1.007 inches and 1.017 inches
  • Grip Diameter
    Between 0.4985 inches and 0.4995 inches
  • Internal Drive Style
    High-torque
  • Thread Diameter
    0.500 inches
  • Grip Length
    Between 1.115 inches and 1.135 inches
  • Thready Qty Per Inch (tpi)
    20
  • Min. Tensile Strength (psi)
    220000 pounds per square inch
  • Hardness Rating
    46.0 rockwell c and 50.0 rockwell c
  • Countersink Angle
    Between 99.0 degrees and 101.0 degrees
  • Part Name Assigned By Controlling Agency
    Navy special project
  • Material
    Steel comp h11
  • Material Specification
    Ams 6487 assn standard single material response
  • Surface Treatment
    Cadmium and chromate
  • Surface Treatment Specification
    Macps13145 fscm 76301 mfr ref 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 5305004116534

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
66117H8-18 Sps Technologies, Llc
HT195-8-18 Hi-shear Corporation
HT195-8-18 Lisi Aerospace Canada Corp
HS2623-8Z18 Huck International, Inc.
66117H8-18 Sps Technologies Inc
HS2623-8Z18 Huck Intl Inc
66117H8-18 Sps Technologies, Llc
HT195-8-18 Hi-shear Corporation
66117H8-18 Sps Technologies Inc
HS2623-8Z18 Huck Intl Inc
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