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NSN 5305-01-421-9552

Panel Screw

About this product

1.000 inches fastener length, hexagon extended washer head style, 0.380 inches head height, width between flats: 0.560 inches .

Manufacturer part number 845-4687679-4 for national stock number 5305014219552.

Datasheet

  • Product description

    Externally Relieved Body Screw NSN 5305-01-421-9552.

  • MPN or Model

    845-4687679-4

  • 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
    0.380 inches
  • Fastener Length
    1.000 inches
  • Head Style
    Hexagon extended washer
  • Head Height
    0.380 inches
  • Width Between Flats
    0.560 inches
  • Extended Washer Diameter
    0.620 inches
  • Extended Washer Thickness
    0.080 inches
  • First Diameter From Head
    0.250 inches
  • Distance From Largest Bearing Surface Of Head To End Of First Diameter
    0.620 inches
  • Internal Drive Style
    Slot
  • Thread Diameter
    0.375 inches
  • Thready Qty Per Inch (tpi)
    16
  • Externally Relieved Body Diameter Quantity
    1
  • Material
    Steel comp 303
  • Material Specification
    Astm a582 assn standard single material 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 5305014219552

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
845-4687679-4 Naval Ship Systems Command
217-6603235FINDAY-1-41 Naval Sea Systems Command
845-4687679-4 Naval Ship Systems Command
217-6603235FINDAY-1-41 Naval Sea Systems Command
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