1-321-802-5889

NSN 5305-01-243-0758

High Torque Screw

About this product

Furnished with one o ring,cetyl alcohol lubricant,white paint on nonbearing surface of head.

Manufacturer part number ST3M652C6-21A for national stock number 5305012430758.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-243-0758.

  • MPN or Model

    ST3M652C6-21A

  • 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 0.615 inches and 0.682 inches
  • Fastener Length
    Between 1.937 inches and 1.984 inches
  • Head Style
    Flat countersunk undercut
  • Head Diameter
    Between 0.7556 inches and 0.7604 inches
  • Head Height
    Between 0.1147 inches and 0.1167 inches
  • Grip Diameter
    Between 0.3740 inches and 0.3745 inches
  • Internal Drive Style
    High-torque
  • Thread Diameter
    0.375 inches
  • Grip Length
    Between 1.302 inches and 1.322 inches
  • Thready Qty Per Inch (tpi)
    24
  • Countersink Angle
    Between 99.0 degrees and 101.0 degrees
  • Surface Finish
    32.0 microinches threads
  • Material
    Steel comp xm-13
  • Material Specification
    Ams 5629 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 5305012430758

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
ST3M652C6-21A Boeing Company, The
HT4020-6-21A Arconic Global Fasteners & Rings,
ST3M652C6-21A Huck International, Inc.
ST3M652C6-21A Fastener Innovation Technology, Inc.
ST3M652C6-21A Reid Products Inc.
ST3M652C6-21A West Coast Aerospace Inc
HT4020-6-21A Hi-shear Corporation
HT4020-6-21A Sps Technologies, Llc
HT4020-6-21A Lisi Aerospace Canada Corp
HT4020-6-21A Huck Intl Inc
10113579 Nimikkeistokeskus Ncb Finland
HT4020-6-21A Alcoa Global Fasteners, Inc.
ST3M652C6-21A Boeing Company, The
HT4020-6-21A Arconic Global Fasteners & Rings,
ST3M652C6-21A Huck International, Inc.
ST3M652C6-21A Fastener Innovation Technology, Inc.
ST3M652C6-21A Reid Products Inc.
ST3M652C6-21A West Coast Aerospace Inc
HT4020-6-21A Hi-shear Corporation
HT4020-6-21A Sps Technologies, Llc
HT4020-6-21A Lisi Aerospace Canada Corp
HT4020-6-21A Alcoa Global Fasteners, Inc.
HT4020-6-21A Huck Intl Inc
10113579 Nimikkeistokeskus Ncb Finland
ST3M652C6-21A Boeing Company, The
HT4020-6-21A Arconic Global Fasteners & Rings,
ST3M652C6-21A Huck International, Inc.
ST3M652C6-21A Reid Products Inc.
ST3M652C6-21A Fastener Innovation Technology, Inc.
ST3M652C6-21A West Coast Aerospace Inc
HT4020-6-21A Hi-shear Corporation
HT4020-6-21A Sps Technologies, Llc
HT4020-6-21A Lisi Aerospace Canada Corp
HT4020-6-21A Alcoa Global Fasteners, Inc.
HT4020-6-21A Huck Intl Inc
10113579 Nimikkeistokeskus Ncb Finland
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