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NSN 5305-00-324-9249

High Torque Screw

About this product

Between 0.641 inches and 0.671 inches fastener length, flat countersunk head style, between 0.376 inches and 0.385 inches head diameter, grip diameter: between 0.1890 inches and 0.1895 inches .

Manufacturer part number HT4025L3-4 for national stock number 5305003249249.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-00-324-9249.

  • MPN or Model

    HT4025L3-4

  • 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 0.381 inches and 0.431 inches
  • Fastener Length
    Between 0.641 inches and 0.671 inches
  • Head Style
    Flat countersunk
  • Head Diameter
    Between 0.376 inches and 0.385 inches
  • Grip Diameter
    Between 0.1890 inches and 0.1895 inches
  • Internal Drive Style
    High-torque
  • End Application
    Aircraft, hornet f/a-18 (e/f); aircraft, eagle f-15; aircraft, hornet f/a-18; aircraft, harrier av-8b; aircraft, b-1b
  • Thread Diameter
    0.190 inches
  • Grip Length
    Between 0.240 inches and 0.260 inches
  • Thready Qty Per Inch (tpi)
    32
  • Countersink Angle
    Between 99.0 degrees and 101.0 degrees
  • Material
    Steel
  • Material Specification
    23-112 fscm 76301 mfr ref single material response
  • Surface Treatment
    Passivate
  • Thread Series Designator
    Unjf
More from these suppliers
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 5305003249249

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
HT4025L3-4 Huck International, Inc.
HT4025L3-4 Arconic Global Fasteners & Rings,
ST3M454-3L4 Valley-todeco, Inc.
HT4025L3-4 Sps Technologies, Llc
ST3M454-3L4 Heartland Precision Fasteners, Inc.
ST3M454-3L4 Houston Precision Fasteners I, Lp
HT4025L3-4 Sps Technologies, Llc
11905-3L4 Reid Products Inc.
ST3M454-3L4 West Coast Aerospace Inc
ST3M454-3L4 Hi-shear Corporation
ST3M454-3L4 Sps Technologies, Llc
ST3M454-3L4 Lisi Aerospace Canada Corp
HT4025L3-4 Hi-shear Corporation
HT4025L3-4 Sps Technologies, Llc
HT4025L3-4 Lisi Aerospace Canada Corp
ST3M454-3L4 Fastener Innovation Technology, Inc.
HT4025L3-4 Alcoa Global Fasteners, Inc.
WC4025L3-4 West Coast Aerospace Inc
ST3M454-3L4 Sps Technologies Ltd Tj Brooks
ST3M454-3L4 Boeing Company, The
ST3M454-3L4 Sps Technologies Inc
HT4025L3-4 Huck Intl Inc
10125186 Nimikkeistokeskus Ncb Finland
CHT4025-3-4 Arconic Global Fasteners & Rings,
CHT4025-3-4 Deutsch Co The
CHT4025-3-4 Sps Technologies, Llc
CHT4025-3-4 Alcoa Global Fasteners, Inc.
HT4025L3-4 Sps Technologies Inc
ST3M454-3L4 Twist Tite Mfg, Inc
Stock Check
Availability for this item was last checked on 07/17/23. The quantities and conditions available at the time were:
  • NS: 182
  • NE: 3270