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NSN 5305-01-379-4196

Panel Screw

About this product

Between 1.110 inches and 1.140 inches fastener length, knurled no. 4 head style, between 0.750 inches and 0.765 inches head diameter, head height: between 0.240 inches and 0.260 inches .

Manufacturer part number 238-SS-20 for national stock number 5305013794196.

Datasheet

  • Product description

    Externally Relieved Body Screw NSN 5305-01-379-4196.

  • MPN or Model

    238-SS-20

  • 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.)
    2.1 lb
  • Thread Class
    2a
  • Thread Direction
    Right-hand
  • Thread Length
    Between 0.360 inches and 0.390 inches
  • Fastener Length
    Between 1.110 inches and 1.140 inches
  • Head Style
    Knurled no. 4
  • Head Diameter
    Between 0.750 inches and 0.765 inches
  • Head Height
    Between 0.240 inches and 0.260 inches
  • First Diameter From Head
    Between 0.170 inches and 0.180 inches
  • Distance From Largest Bearing Surface Of Head To End Of First Diameter
    Between 0.740 inches and 0.760 inches
  • Point Style
    Cone
  • Internal Drive Style
    Slot
  • Thread Diameter
    0.250 inches
  • Thready Qty Per Inch (tpi)
    20
  • Externally Relieved Body Diameter Quantity
    1
  • Material
    Stainless steel
  • Material Specification
    Astm a581 assn standard single material response or astm a582 assn standard single material response
  • Surface Treatment
    Passivate
  • Surface Treatment Specification
    Mil-f-14072-e300 military 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 5305013794196

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
238-SS-20 Matthew Warren, Inc
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