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NSN 5305-00-842-7561

High Torque Screw

About this product

Between 1.250 inches and 1.297 inches fastener length, flat countersunk head style, between 0.752 inches and 0.762 inches head diameter, grip diameter: between 0.3735 inches and 0.3745 inches .

Manufacturer part number 66117H6-12 for national stock number 5305008427561.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-00-842-7561.

  • MPN or Model

    66117H6-12

  • 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 0.490 inches and 0.557 inches
  • Fastener Length
    Between 1.250 inches and 1.297 inches
  • Head Style
    Flat countersunk
  • Head Diameter
    Between 0.752 inches and 0.762 inches
  • Grip Diameter
    Between 0.3735 inches and 0.3745 inches
  • Internal Drive Style
    High-torque
  • Thread Diameter
    0.375 inches
  • Grip Length
    Between 0.740 inches and 0.760 inches
  • Thready Qty Per Inch (tpi)
    24
  • 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
  • Material
    Steel comp h11
  • Material Specification
    Ams 6487 assn standard single material response
  • Surface Treatment
    Cadmium and chromate
  • 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 5305008427561

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
66117H6-12 Sps Technologies, Llc
66117H6A12 Sps Technologies, Llc
HS2623-6Z12 Huck International, Inc.
HT195-6-12 Alcoa Fastening Systems
HT195-6-12 Hi-shear Corporation
HT195-6-12 Lisi Aerospace Canada Corp
3M263-6-12 Boeing Company, The
HT195-6-12 Satair A/s
66117H6-12 Sps Technologies Inc
HS2623-6Z12 Huck Intl Inc
HS2623-6Z-12 Precision Fastening Sub Omark
Stock Check
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