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NSN 5305-01-285-2753

High Torque Screw

About this product

Between 1.704 inches and 1.734 inches fastener length, fillister countersunk head style, between 0.390 inches and 0.395 inches head diameter, head height: 0.015 inches .

Manufacturer part number 3M27-4L20 for national stock number 5305012852753.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-285-2753.

  • MPN or Model

    3M27-4L20

  • 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 0.444 inches and 0.494 inches
  • Fastener Length
    Between 1.704 inches and 1.734 inches
  • Head Style
    Fillister countersunk
  • Head Diameter
    Between 0.390 inches and 0.395 inches
  • Head Height
    0.015 inches
  • Grip Diameter
    Between 0.2485 inches and 0.2495 inches
  • Internal Drive Style
    High-torque
  • Thread Diameter
    0.250 inches
  • Grip Length
    Between 1.240 inches and 1.260 inches
  • Features Provided
    Cetyl alcohol lubricant
  • Thready Qty Per Inch (tpi)
    28
  • Min. Tensile Strength (psi)
    125000 pounds per square inch
  • Countersink Angle
    Between 99.0 degrees and 101.0 degrees
  • Color
    White top of head
  • Material
    Steel comp xm-13
  • Surface Treatment
    Aluminum
  • Surface Treatment Specification
    Mil-c-83488, type 2 class 3 military 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 5305012852753

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
3M27-4L20 Sps Technologies, Llc
3M27-4L20 Huck International, Inc.
HT4069-4-20A Arconic Global Fasteners & Rings,
HT4069-4-20A Sps Technologies, Llc
HT4069-4-20A Hi-shear Corporation
HT4069-4-20A Lisi Aerospace Canada Corp
3M926-4L20 Boeing Company, The
HT4096-4-20A Sps Technologies, Llc
3M927-4L20 Valley-todeco, Inc.
3M927-4L20 Saturn Fasteners Inc
3M927-4L20 Heartland Precision Fasteners, Inc.
HT4096-4-20A Huck International, Inc.
3M927-4L20 Houston Precision Fasteners I, Lp
HT4096-4-20A Sps Technologies, Llc
3M927-4L20 Camcar Llc
3M927-4L20 Fastener Innovation Technology, Inc.
11885-4L20 Reid Products Inc.
WC4069-4-20 West Coast Aerospace Inc
HT4069-4-20A Sps Technologies, Llc
HT4069-4-20A Sps Technologies Ltd Tj Brooks
3M927-4L20 Boeing Company, The
HT4069-4-20A Sps Technologies Inc
HT4068-4-20A Huck Intl Inc
3M27-4L20 Valley-todeco, Inc.
3M27-4L20 Saturn Fasteners Inc
3M27-4L20 Heartland Precision Fasteners, Inc.
11883-4L20 Reid Products Inc.
HT4068-4-20A Sps Technologies, Llc
HT4068-4-20A Hi-shear Corporation
HT4069-4-20A Sps Technologies, Llc
HT4069-4-20A Huck International, Inc.
HT4069-4-20A Sps Technologies, Llc
HT4069-4-20A Alcoa Global Fasteners, Inc.
3M927-4L20 Linread Ltd
3M927-4L20 Twist Tite Mfg, Inc
Stock Check
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