1-321-802-5889

NSN 5305-00-889-3154

Button Head Socket Screw

About this product

Between 0.985 inches and 1.031 inches fastener length, flat chamfer head style, between 0.457 inches and 0.468 inches head diameter, head height: between 0.306 inches and 0.312 inches .

Manufacturer part number MS21267-57 for national stock number 5305008893154.

Datasheet

  • Product description

    Socket Head Cap Screw NSN 5305-00-889-3154.

  • MPN or Model

    MS21267-57

  • 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
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    Between 0.902 inches and 0.938 inches
  • Fastener Length
    Between 0.985 inches and 1.031 inches
  • Head Style
    Flat chamfer
  • Head Diameter
    Between 0.457 inches and 0.468 inches
  • Head Height
    Between 0.306 inches and 0.312 inches
  • Locking Feature
    Pellet threads
  • Internal Drive Style
    Cross recess type 1
  • Thread Diameter
    0.312 inches
  • Width Across Flats
    Between 0.250 inches and 0.253 inches
  • Thready Qty Per Inch (tpi)
    24
  • Min. Tensile Strength (psi)
    160000 pounds per square inch
  • Hardness Rating
    36.0 rockwell c and 43.0 rockwell c
  • Minimum Yield Strength
    130000 pounds per square inch
  • Material
    Steel
  • Surface Treatment
    Cadmium and chromate
  • Surface Treatment Specification
    Qq-p-416, type 2, cl 3 federal specification single treatment response
  • Thread Series Designator
    Unf
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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 5305008893154

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
MS21267-57 Zf Industrieantriebe Witten Gmbh
1124139-1 Aerojet Rocketdyne, Inc.
MS21262-57 National Aerospace Standards
MS21262-57 Military Standards
LK21262-57 Torkon Fastener Corp
Stock Check
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