1-321-802-5889

NSN 5305-00-127-2507

Button Head Socket Screw

About this product

0.750 inches fastener length, flat countersunk head style, between 0.480 inches and 0.531 inches head diameter, locking feature: patch threads.

Manufacturer part number 16990L4C12 for national stock number 5305001272507.

Datasheet

  • Product description

    Socket Head Cap Screw NSN 5305-00-127-2507.

  • MPN or Model

    16990L4C12

  • Schedule B
    7318.15.2000 (Bolts and bolts and their nuts or washers exported in the same shipment)
  • NMF (National Motor Freight)
    096640 - Screws, Iron Or Steel
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    0.588 inches
  • Fastener Length
    0.750 inches
  • Head Style
    Flat countersunk
  • Head Diameter
    Between 0.480 inches and 0.531 inches
  • Locking Feature
    Patch threads
  • Internal Drive Style
    Hexagon
  • Thread Diameter
    0.250 inches
  • Width Across Flats
    0.156 inches
  • Thready Qty Per Inch (tpi)
    20
  • Min. Tensile Strength (psi)
    160000 pounds per square inch
  • Countersink Angle
    81.0 degrees
  • Material
    Steel
  • Material Specification
    66 federal standard single material response
  • Thread Series Designator
    Unc
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 5305001272507

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
16990L4C12 Sps Technologies, Llc
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