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NSN 5305-00-057-1279

Button Head Socket Screw

About this product

1.250 inches fastener length, flat chamfer head style, between 0.429 inches and 0.437 inches head diameter, head height: between 0.306 inches and 0.312 inches .

Manufacturer part number FFS86TYPE1STYLE11 for national stock number 5305000571279.

Datasheet

  • Product description

    Socket Head Cap Screw NSN 5305-00-057-1279.

  • MPN or Model

    FFS86TYPE1STYLE11

  • 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)
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    1.250 inches
  • Fastener Length
    1.250 inches
  • Head Style
    Flat chamfer
  • Head Diameter
    Between 0.429 inches and 0.437 inches
  • Head Height
    Between 0.306 inches and 0.312 inches
  • Internal Drive Style
    Hexagon
  • Thread Diameter
    0.312 inches
  • Width Across Flats
    Between 0.218 inches and 0.220 inches
  • Thready Qty Per Inch (tpi)
    18
  • Hardness Rating
    36.0 rockwell c and 43.0 rockwell c
  • Minimum Yield Strength
    140000 pounds per square inch
  • Material
    Steel comp 2340 or steel comp 3135 or steel comp 4037 or steel comp 4137 or steel comp 4140 or steel comp 4340 or steel comp 8630 or steel comp 8740 or steel
  • Material Specification
    Qq-s-624 federal specification 1st material response or qq-s-624 federal specification 2nd material response or qq-s-624 federal specification 3rd material response or qq-s-624 federal specification 4th material response or qq-s-624 federal specification 5th material response or qq-s-624 federal specification 6th material response or qq-s-624 federal specification 7th material response or qq-s-624 federal specification 8th material response or qq-s-624, fs9440 federal specification 9th material response
  • Surface Treatment
    Phosphate
  • Thread Series Designator
    Unc
  • Nondefinitive Specification/std Data
    1 type and 11 style
More from these suppliers
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 5305000571279

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
FFS86TYPE1STYLE11 Federal Specifications
25704-281265-11-0 Bundesamt Fuer Ausruestung,
25704-281265-11-0 Krauss-maffei Wegmann Gmbh & Co.
571279 Liebherr-aerospace Lindenberg Gmbh
571279 Feinmechanische Werke Mainz Gmbh
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