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NSN 5305-00-777-5759

Button Head Socket Screw

About this product

Between 0.985 inches and 1.031 inches fastener length, flat chamfer head style, between 0.365 inches and 0.375 inches head diameter, head height: between 0.244 inches and 0.250 inches .

Manufacturer part number MS21295-56 for national stock number 5305007775759.

Picture of NSN 5305-00-777-5759

Datasheet

  • Product description

    Socket Head Cap Screw NSN 5305-00-777-5759.

  • MPN or Model

    MS21295-56

  • 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.)
    0.5 lb
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    Between 0.985 inches and 1.031 inches
  • Fastener Length
    Between 0.985 inches and 1.031 inches
  • Head Style
    Flat chamfer
  • Head Diameter
    Between 0.365 inches and 0.375 inches
  • Head Height
    Between 0.244 inches and 0.250 inches
  • Internal Drive Style
    Hexagon
  • Thread Diameter
    0.250 inches
  • Width Across Flats
    Between 0.187 inches and 0.190 inches
  • Thready Qty Per Inch (tpi)
    28
  • Min. Tensile Strength (psi)
    80000 pounds per square inch
  • Hardness Rating
    80.0 rockwell b
  • Minimum Yield Strength
    30000 pounds per square inch
  • Material
    Steel comp 302 or steel comp 303 or steel comp 304 or steel comp 305 or steel comp 316
  • Material Specification
    66 federal standard all material responses
  • Surface Treatment
    Passivate
  • Surface Treatment Specification
    Qq-p-35 federal specification single treatment response
  • Thread Series Designator
    Unf
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 5305007775759

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
MS21295-56 National Aerospace Standards
MS21295-56 Military Standards
LK21295-56 Torkon Fastener Corp
Stock Check
Availability for this item was last checked on 08/01/23. The quantities and conditions available at the time were:
  • NS: 11
  • NE: 194