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NSN 5305-01-121-5498

High Torque Screw

About this product

Furnished with one o-ring.

Manufacturer part number 3M925C4-11A for national stock number 5305011215498.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-121-5498.

  • MPN or Model

    3M925C4-11A

  • 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 0.443 inches and 0.493 inches
  • Fastener Length
    Between 1.141 inches and 1.171 inches
  • Head Style
    Flat countersunk undercut
  • Head Diameter
    Between 0.502 inches and 0.507 inches
  • Head Height
    Between 0.071 inches and 0.073 inches
  • Grip Diameter
    Between 0.2485 inches and 0.2495 inches
  • Internal Drive Style
    High-torque
  • Thread Diameter
    0.250 inches
  • Grip Length
    Between 0.678 inches and 0.698 inches
  • Thready Qty Per Inch (tpi)
    28
  • Countersink Angle
    Between 99.0 degrees and 101.0 degrees
  • Surface Finish
    32.0 microinches threads
  • Material
    Steel comp xm-13
  • Surface Treatment
    Aluminum and chromate
  • 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 5305011215498

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
3M925C4-11A Boeing Company, The
HT4067-4-11A Hi-shear Corporation
HT4067-4-11A Sps Technologies, Llc
HT4067-4-11A Huck International, Inc.
HT4067-4-11A Arconic Global Fasteners & Rings,
HT4067-4-11A Fastener Innovation Technology, Inc.
HT4067-4-11A West Coast Aerospace Inc
HT4067-4-11A Sps Technologies Ltd Tj Brooks
HT4067-4-11A Lisi Aerospace Canada Corp
HT4067-4-11A Alcoa Global Fasteners, Inc.
11881C4-11A Reid Products Inc.
HT4067-4-11A Huck Intl Inc
3M925C4-11A Twist Tite Mfg, Inc
Stock Check
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