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NSN 5305-00-728-1680

Panel Screw

About this product

Non-standard point style 12 0.312 in. Nom lg.

Manufacturer part number 543-6116-002 for national stock number 5305007281680.

Datasheet

  • Product description

    Externally Relieved Body Screw NSN 5305-00-728-1680.

  • MPN or Model

    543-6116-002

  • Schedule B
    7318.15.2000 (Bolts and bolts and their nuts or washers exported in the same shipment)
  • NMF (National Motor Freight)
    096640 - Screws, Iron Or Steel
  • Thread Class
    2a
  • Thread Direction
    Right-hand
  • Thread Length
    Between 0.344 inches and 0.375 inches
  • Fastener Length
    Between 1.031 inches and 1.063 inches
  • Head Style
    Hexagon
  • Head Height
    Between 0.109 inches and 0.141 inches
  • Width Between Flats
    Between 0.359 inches and 0.391 inches
  • First Diameter From Head
    Between 0.260 inches and 0.270 inches
  • Second Diameter From Head
    Between 0.195 inches and 0.202 inches
  • Third Diameter From Head
    Between 0.260 inches and 0.270 inches
  • Distance From Largest Bearing Surface Of Head To End Of First Diameter
    Between 0.109 inches and 0.141 inches
  • Distance From Largest Bearing Surface Of Head To End Of Second Diameter
    Between 0.239 inches and 0.261 inches
  • Distance From Largest Bearing Surface Of Head To End Of Third Diameter
    Between 0.317 inches and 0.319 inches
  • Internal Drive Style
    Slot
  • Thread Diameter
    0.250 inches
  • Thready Qty Per Inch (tpi)
    20
  • Externally Relieved Body Diameter Quantity
    1
  • Material
    Steel comp 430
  • Material Specification
    66 federal standard single material response
  • Surface Treatment
    Passivate
  • Surface Treatment Specification
    580-0103 0099, fscm 13499 mfr ref single treatment response
  • Thread Series Designator
    Unc
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Externally Relieved Body Screw

An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes undercut for thread relief). It is no. 0 (0.060 in.) (1.5 mm) or larger, and is designed to be held or driven with either a wrench or inserted driver (excluding internal socket and multiple spline types) or both in sizes below no. 10 (0.190 in.) (5 mm) and larger sizes must have a head designed for any type inserted driver (excluding internal socket and multiple spline types) but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. See also bolt, externally relieved body and bolt, internal wrenching.

Mechanic Bill explains Panel Screw

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NSN 5305007281680

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
543-6116-002 Rockwell Collins, Inc.
543-6116-002 Rockwell Collins, Inc.
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