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NSN 5305-01-185-7127

Panel Assembly Fastener

About this product

Four prones on head 0.040 in. Min dia,0.050 in. Max dia to 0.066 in min dia,0.076 in. Max dia.

Manufacturer part number 75A304021-2005 for national stock number 5305011857127.

Datasheet

  • Product description

    Shoulder Screw NSN 5305-01-185-7127.

  • MPN or Model

    75A304021-2005

  • Schedule B
    8109.90.0000 (Zirconium and articles thereof nesoi)
  • NMF (National Motor Freight)
    136500 - Metal NOI/metal Alloys NOI
  • Unit Weight (Est.)
    0.1 lb
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    0.600 inches
  • Fastener Length
    3.106 inches
  • Head Style
    Flat chamfer
  • Head Diameter
    0.750 inches
  • Head Height
    0.675 inches
  • Shoulder Diameter
    0.364 inches second shoulder and 0.374 inches second shoulder
  • Shoulder Length
    0.875 inches first shoulder
  • Internal Drive Style
    Square
  • Thread Diameter
    0.312 inches
  • Width Across Flats
    Between 0.378 inches and 0.385 inches
  • Thready Qty Per Inch (tpi)
    24
  • Shoulder Shape
    Round all shoulders
  • Material
    Titanium alloy
  • Material Specification
    Mil-t-9047 military specification 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 5305011857127

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
75A304021-2005 Boeing Company, The
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