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NSN 5305-01-268-5956

Panel Assembly Fastener

About this product

Between 1.234 inches and 1.281 inches fastener length, flat countersunk undercut head style, between 0.575 inches and 0.635 inches head diameter, head height: between 0.082 inches and 0.084 inches .

Manufacturer part number HT4020-5-20X for national stock number 5305012685956.

Datasheet

  • Product description

    Shoulder Screw NSN 5305-01-268-5956.

  • MPN or Model

    HT4020-5-20X

  • 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)
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    0.531 inches
  • Fastener Length
    Between 1.234 inches and 1.281 inches
  • Head Style
    Flat countersunk undercut
  • Head Diameter
    Between 0.575 inches and 0.635 inches
  • Head Height
    Between 0.082 inches and 0.084 inches
  • Shoulder Diameter
    0.327 inches first shoulder and 0.328 inches first shoulder
  • Shoulder Length
    1.166 inches first shoulder and 1.168 inches first shoulder
  • Internal Drive Style
    High-torque
  • Thread Diameter
    0.313 inches
  • Thready Qty Per Inch (tpi)
    24
  • 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
  • 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 5305012685956

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
HT4020-5-20X Huck Intl Inc
HT4020-5-20X Sps Technologies, Llc
HT4020-5-20X Hi-shear Corporation
HT4020-5-20X Sps Technologies, Llc
HT4020-5-20X Lisi Aerospace Canada Corp
HT4020-5-20X Alcoa Global Fasteners, Inc.
HT4020-5-20X Arconic Global Fasteners & Rings,
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