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NSN 5305-01-142-7197

Panel Assembly Fastener

About this product

Between 2.051 inches and 2.081 inches fastener length, flat countersunk head style, between 0.497 inches and 0.507 inches head diameter, shoulder diameter: 0.2802 inches first shoulder and 0.2807 inches first shoulder.

Manufacturer part number HT4049-4D28Y for national stock number 5305011427197.

Datasheet

  • Product description

    Shoulder Screw NSN 5305-01-142-7197.

  • MPN or Model

    HT4049-4D28Y

  • 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 0.291 inches and 0.341 inches
  • Fastener Length
    Between 2.051 inches and 2.081 inches
  • Head Style
    Flat countersunk
  • Head Diameter
    Between 0.497 inches and 0.507 inches
  • Shoulder Diameter
    0.2802 inches first shoulder and 0.2807 inches first shoulder
  • Shoulder Length
    1.645 inches first shoulder and 1.665 inches first shoulder
  • Shank Unthreaded Hole Diameter
    0.076 inches first hole and 0.081 inches first hole
  • Internal Drive Style
    High-torque
  • Thread Diameter
    0.250 inches
  • Thready Qty Per Inch (tpi)
    28
  • Countersink Angle
    Between 99.0 degrees and 101.0 degrees
  • Distance From Head Largest Bearing Surface To Shank Hole Center
    1.928 inches first hole and 1.968 inches first hole
  • Shoulder Shape
    Round first shoulder
  • Material
    Steel comp xm-13
  • Material Specification
    Ams5629 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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Shoulder Screw

An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in.) (1.5 mm) or larger. It has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. The head is designed to be driven with either a wrench or an inserted driver or both in sizes below no. 10 (0.190 in.) (5 mm) nominal diameter. No. 10 (0.190 in.) (5 mm) and larger sizes must be designed for any type of inserted driver, but may also provide for external wrenching of the head. A locking feature may be incorporated in the design of the head or threads. For items which are both shouldered and have an externally relieved body, use screw, externally relieved body. For items with a no. 10 (0.190 in.) (5 mm) or larger thread diameter without an inserted driver head, use bolt, shoulder. Excludes bolt, internal wrenching and screw, cap, socket head.

Mechanic Bill explains Panel Assembly Fastener

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NSN 5305011427197

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
HT4049-4D28Y Huck International, Inc.
HT4049-4D28Y Arconic Global Fasteners & Rings,
HT4049-4D28Y Hi-shear Corporation
3M959-4D28 Boeing Company, The
HT4049-4D28Y Sps Technologies, Llc
HT4049-4D28Y Lisi Aerospace Canada Corp
11901-4D28 Reid Products Inc.
ST3M959-4D28 Alcoa Global Fasteners, Inc.
HT4049-4D28Y Huck Intl Inc
ST3M959-4D28 Boeing Company, The
HT4049-4D28Y Alcoa Global Fasteners, Inc.
Stock Check
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