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NSN 5305-01-074-9045

High Torque Screw

About this product

1.217 inches fastener length, flat countersunk head style, between 0.625 inches and 0.635 inches head diameter, grip diameter: between 0.3266 inches and 0.3276 inches .

Manufacturer part number 66908H5-12 for national stock number 5305010749045.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-074-9045.

  • MPN or Model

    66908H5-12

  • Schedule B
    7318.15.2000 (Bolts and bolts and their nuts or washers exported in the same shipment)
  • NMF (National Motor Freight)
    096630 - Screws NOI Brass/bronze/copper
  • Unit Weight (Est.)
    0.1 lb
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    0.467 inches
  • Fastener Length
    1.217 inches
  • Head Style
    Flat countersunk
  • Head Diameter
    Between 0.625 inches and 0.635 inches
  • Grip Diameter
    Between 0.3266 inches and 0.3276 inches
  • Single Shear Strength
    132000 pounds per square inch
  • Internal Drive Style
    High-torque
  • Thread Diameter
    0.312 inches
  • Grip Length
    0.750 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
    100.0 degrees
  • Material
    Steel
  • Material Specification
    Ams 6487 assn standard single material response
  • Surface Treatment
    Cadmium and chromate
  • Surface Treatment Specification
    Mac ps-13145 fscm 76301 mfr ref all treatment responses
  • 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 5305010749045

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
66908H5-12 Sps Technologies, Llc
66908H5-12 Sps Technologies, Llc
ST3M559-5-12 Arconic Global Fasteners & Rings,
HS2623-5-12 Huck International, Inc.
ST3M559-5-12 Sps Technologies, Llc
ST3M559-5-12 Hi-shear Corporation
ST3M559-5-12 Lisi Aerospace Canada Corp
ST3M559-5-12 Boeing Company, The
HT307-5-12 Foster Bros Mfg Co
HS2623-5-12 Huck Intl Inc
ST3M559-5-12 Grimes Aerospace Co
ST3M559-5-12 Alcoa Global Fasteners, Inc.
Stock Check
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