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NSN 5305-01-142-8391

Panel Assembly Fastener

About this product

Between 2.011 inches and 2.041 inches fastener length, flat countersunk head style, between 0.376 inches and 0.385 inches head diameter, shoulder diameter: 0.2021 inches first shoulder and 0.2026 inches first shoulder.

Manufacturer part number HT4049-4-28X for national stock number 5305011428391.

Datasheet

  • Product description

    Shoulder Screw NSN 5305-01-142-8391.

  • MPN or Model

    HT4049-4-28X

  • 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 0.251 inches and 0.301 inches
  • Fastener Length
    Between 2.011 inches and 2.041 inches
  • Head Style
    Flat countersunk
  • Head Diameter
    Between 0.376 inches and 0.385 inches
  • Shoulder Diameter
    0.2021 inches first shoulder and 0.2026 inches first shoulder
  • Shoulder Length
    1.667 inches first shoulder and 1.687 inches first shoulder
  • Internal Drive Style
    High-torque
  • Thread Diameter
    0.190 inches
  • Thready Qty Per Inch (tpi)
    32
  • Countersink Angle
    Between 99.0 degrees and 101.0 degrees
  • 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 5305011428391

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
HT4049-4-28X Huck International, Inc.
3M958-3-28 Boeing Company, The
HT4049-3-28X Huck International, Inc.
HT4049-3-28X Alcoa Global Fasteners, Inc.
HT4049-3-28X Hi-shear Corporation
HT4049-3-28X Sps Technologies, Llc
HT4049-3-28X Lisi Aerospace Canada Corp
HT4049-4-28X Huck Intl Inc
3M958 Boeing Company, The
Stock Check
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