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NSN 5305-01-570-7400

Button Head Socket Screw

About this product

0.250 inches fastener length, flat countersunk head style, between 0.231 inches and 0.279 inches head diameter, locking feature: strip threads.

Manufacturer part number NAS1189E06T4LK for national stock number 5305015707400.

Datasheet

  • Product description

    Socket Head Cap Screw NSN 5305-01-570-7400.

  • MPN or Model

    NAS1189E06T4LK

  • Schedule B
    7318.15.2000 (Bolts and bolts and their nuts or washers exported in the same shipment)
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    0.193 inches
  • Fastener Length
    0.250 inches
  • Head Style
    Flat countersunk
  • Head Diameter
    Between 0.231 inches and 0.279 inches
  • Locking Feature
    Strip threads
  • Internal Drive Style
    Offset cruciform (torque set)
  • Thread Diameter
    0.138 inches
  • Thready Qty Per Inch (tpi)
    32
  • Countersink Angle
    Between 99.0 degrees and 101.0 degrees
  • Surface Finish
    32.0 microinches threads
  • Material
    Iron alloy 660
  • Material Specification
    Ams 5737 assn standard single material response
  • Surface Treatment
    Passivate
  • Surface Treatment Specification
    Qq-p-35 federal specification single treatment response
  • Thread Series Designator
    Unjc
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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 5305015707400

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
NAS1189E06T4LK National Aerospace Standards
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