NSN 5305-00-104-9455

Button Head Socket Screw

About this product

Between 0.344 inches and 0.375 inches fastener length, flat countersunk head style, between 0.177 inches and 0.225 inches head diameter, locking feature: pellet threads or strip threads.

Manufacturer part number NAS1189-4 for national stock number 5305001049455.


  • Product description

    Socket Head Cap Screw NSN 5305-00-104-9455.

  • MPN or Model


  • 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.)
    0.1 lb
  • Thread Class
  • Thread Direction
  • Thread Length
    Between 0.249 inches and 0.330 inches
  • Fastener Length
    Between 0.344 inches and 0.375 inches
  • Head Style
    Flat countersunk
  • Head Diameter
    Between 0.177 inches and 0.225 inches
  • Locking Feature
    Pellet threads or strip threads
  • Internal Drive Style
    Offset cruciform (torque set)
  • Thread Diameter
    0.112 inches
  • Thready Qty Per Inch (tpi)
  • Min. Tensile Strength (psi)
    160000 pounds per square inch
  • Hardness Rating
    36.0 rockwell c and 40.0 rockwell c
  • Countersink Angle
    Between 99.0 degrees and 101.0 degrees
  • Material
    Steel comp 4140 or steel comp e4340 or steel comp 6150 or steel comp 8735 or steel comp 8740 or steel comp 4037
  • Material Specification
    Mil-s-5626 military specification 1st material response or mil-s-5000 military specification 2nd material response or mil-s-8503 military specification 3rd material response or mil-s-6098 military specification 4th material response or mil-s-6049 military specification 5th material response or ams 6300 assn standard 6th material response
  • Surface Treatment
  • Surface Treatment Specification
    Qq-p-416, type 2, cl 3 federal specification single treatment response
  • Thread Series Designator
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Socket Head Cap Screw

An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See bolt, internal wrenching. Excludes screw, shoulder; and screw, machine.

Mechanic Bill explains Button Head Socket Screw

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NSN 5305001049455

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
NAS1189-4 National Aerospace Standards
NAS1189-04T6 National Aerospace Standards
LK1189-04T6 Torkon Fastener Corp
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