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NSN 5306-01-159-3123

Bolt Flush Head

About this product

0.875 inches fastener length, flat chamfer head style, 0.308 inches head diameter, head height: 0.188 inches .

Manufacturer part number 1291-225 for national stock number 5306011593123.

Datasheet

  • Product description

    Internal Wrenching Bolt NSN 5306-01-159-3123.

  • MPN or Model

    1291-225

  • 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
    0.375 inches
  • Fastener Length
    0.875 inches
  • Head Style
    Flat chamfer
  • Head Diameter
    0.308 inches
  • Head Height
    0.188 inches
  • First Diameter From Head
    0.143 inches
  • Distance From Largest Bearing Surface Of Head To End Of First Diameter
    0.500 inches
  • Internal Drive Style
    Hexagon
  • Thread Diameter
    0.190 inches
  • Width Across Flats
    0.157 inches
  • Thready Qty Per Inch (tpi)
    32
  • Externally Relieved Body Diameter Quantity
    1
  • Chamfer Angle
    Between 30.0 degrees and 45.0 degrees
  • 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 and oxide
  • Thread Series Designator
    Unf
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Internal Wrenching Bolt

An externally threaded fastener whose threaded portion is of one nominal diameter, no. 10 (0.190 in.) (5 mm) or larger. It is designed with an internal socket or internal multiple spline for use with an internal driver. The head is beveled (conical) or cylindrical in shape. Items with cylindrical shaped heads must have an externally relieved body. A locking feature may be incorporated in the design of the head or threads. See also screw, cap, socket head. Excludes setscrew; screw, shoulder; bolt, shoulder; screw, externally relieved body; bolt, externally relieved body; and screw, machine.

Mechanic Bill explains Bolt Flush Head

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NSN 5306011593123

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
1291-225 Bae Systems Information And
Stock Check
Availability for this item was last checked on 05/17/21. The quantities and conditions available at the time were:
  • NE: 1074
  • NS: 1