1-321-802-5889

NSN 5305-00-302-9687

Panel Assembly Fastener

About this product

Furnished with o ring.

Manufacturer part number HT409A4-25 for national stock number 5305003029687.

Datasheet

  • Product description

    Shoulder Screw NSN 5305-00-302-9687.

  • MPN or Model

    HT409A4-25

  • 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 0.510 inches
  • Fastener Length
    Between 2.015 inches and 2.062 inches
  • Head Style
    Flat countersunk undercut
  • Head Diameter
    Between 0.501 inches and 0.506 inches
  • Head Height
    Between 0.065 inches and 0.067 inches
  • Shoulder Diameter
    0.264 inches first shoulder and 0.265 inches first shoulder
  • Shoulder Length
    1.451 inches first shoulder and 1.473 inches first shoulder
  • Internal Drive Style
    High-torque
  • Thread Diameter
    0.250 inches
  • Thready Qty Per Inch (tpi)
    28
  • Countersink Angle
    100.0 degrees
  • Shoulder Shape
    Round first shoulder
  • Material
    Steel
  • Material Specification
    3-52 fsc-76301 mfr ref single material response
  • Surface Treatment
    Cadmium
  • Surface Treatment Specification
    3-52 fsc-76301 mfr ref single treatment response
  • Thread Series Designator
    Unf
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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 5305003029687

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
HT409A4-25 Arconic Global Fasteners & Rings,
HT41UA25 Hi-shear Corporation
HT41UA25 Lisi Aerospace Canada Corp
HT409A4-25 Alcoa Global Fasteners, Inc.
3M50-4-25 Sps Technologies, Llc
3M50-4-25 Boeing Company, The
54267-4-25 Sps Technologies Inc Unbrako Div
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