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NSN 5305-01-189-6504

Panel Screw

About this product

Head dimensions after knurling.

Manufacturer part number 5595242-1 for national stock number 5305011896504.

Datasheet

  • Product description

    Externally Relieved Body Screw NSN 5305-01-189-6504.

  • MPN or Model

    5595242-1

  • 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
    2a
  • Thread Direction
    Right-hand
  • Thread Length
    Between 0.315 inches and 0.325 inches
  • Fastener Length
    Between 1.585 inches and 1.595 inches
  • Head Style
    Flat chamfer
  • Head Diameter
    Between 0.256 inches and 0.270 inches
  • Head Height
    Between 0.305 inches and 0.315 inches
  • First Diameter From Head
    Between 0.109 inches and 0.119 inches
  • Second Diameter From Head
    0.164 inches
  • Third Diameter From Head
    Between 0.109 inches and 0.119 inches
  • Fourth Diameter From Head
    Between 0.118 inches and 0.122 inches
  • Distance From Largest Bearing Surface Of Head To End Of First Diameter
    Between 0.055 inches and 0.065 inches
  • Distance From Largest Bearing Surface Of Head To End Of Second Diameter
    Between 0.375 inches and 0.385 inches
  • Distance From Largest Bearing Surface Of Head To End Of Third Diameter
    Between 1.115 inches and 1.125 inches
  • Distance From Largest Bearing Surface Of Head To End Of Fourth Diameter
    Between 1.450 inches and 1.505 inches
  • Internal Drive Style
    Slot
  • Thread Diameter
    0.164 inches
  • Thready Qty Per Inch (tpi)
    32
  • Externally Relieved Body Diameter Quantity
    4
  • Material
    Steel comp 302
  • Material Specification
    Qq-s-763 federal specification single material response
  • Surface Treatment
    Passivate
  • Surface Treatment Specification
    Qq-p-35 federal specification 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 5305011896504

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
5595242-1 Naval Sea Systems Command
5595242-1 Northrop Grumman Systems Corporation
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