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NSN 5306-01-077-3885

Bolt Flush Head

About this product

0.660 inches fastener length, flat chamfer head style, between 0.262 inches and 0.270 inches head diameter, head height: between 0.159 inches and 0.164 inches .

Manufacturer part number 2640-682-05 ITEM 25 for national stock number 5306010773885.

Datasheet

  • Product description

    Internal Wrenching Bolt NSN 5306-01-077-3885.

  • MPN or Model

    2640-682-05 ITEM 25

  • Schedule B
    7508.90.0000 (Other articles of nickel, nesoi (excluding cloth, grill & netting of nickel wire))
  • NMF (National Motor Freight)
    139820 - Nickel Bolts/nails/nuts/rivets Etc
  • Unit Weight (Est.)
    0.1 lb
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    0.220 inches
  • Fastener Length
    0.660 inches
  • Head Style
    Flat chamfer
  • Head Diameter
    Between 0.262 inches and 0.270 inches
  • Head Height
    Between 0.159 inches and 0.164 inches
  • First Diameter From Head
    Between 0.120 inches and 0.125 inches
  • Distance From Largest Bearing Surface Of Head To End Of First Diameter
    0.440 inches
  • Internal Drive Style
    Hexagon
  • Thread Diameter
    0.164 inches
  • Width Across Flats
    Between 0.120 inches and 0.125 inches
  • Thready Qty Per Inch (tpi)
    32
  • Min. Tensile Strength (psi)
    80000 pounds per square inch
  • Externally Relieved Body Diameter Quantity
    1
  • Material
    Nickel alloy
  • Material Specification
    Qq-n-281 federal specification single material response
  • Surface Treatment
    Oxide
  • Surface Treatment Specification
    Mil-f-495 military specification single treatment response
  • Thread Series Designator
    Unc
More from these suppliers
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 5306010773885

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
2640-682-05 ITEM 25 Electric Boat Corporation
845-45588709ITEM25 Naval Sea Systems Command
4687720-0025 Electric Boat Corporation
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