1-321-802-5889

NSN 5306-01-258-9098

Bolt Flush Head

About this product

Between 4.610 inches and 4.700 inches fastener length, flush head style, between 0.160 inches and 0.200 inches head diameter, head height: between 0.100 inches and 0.140 inches .

Manufacturer part number 50253-4.70 for national stock number 5306012589098.

Datasheet

  • Product description

    Internal Wrenching Bolt NSN 5306-01-258-9098.

  • MPN or Model

    50253-4.70

  • Schedule B
    7318.15.2000 (Bolts and bolts and their nuts or washers exported in the same shipment)
  • Thread Class
    2a
  • Thread Direction
    Right-hand
  • Thread Length
    1.000 inches
  • Fastener Length
    Between 4.610 inches and 4.700 inches
  • Head Style
    Flush
  • Head Diameter
    Between 0.160 inches and 0.200 inches
  • Head Height
    Between 0.100 inches and 0.140 inches
  • Internal Drive Style
    High-torque
  • Thread Diameter
    0.112 inches
  • Width Across Flats
    0.094 inches
  • Thready Qty Per Inch (tpi)
    40
  • Material
    Stainless steel
  • Material Specification
    Qq-s-763 federal specification single material response
  • Surface Treatment
    Passivate
  • Surface Treatment Specification
    Mil-s-5002 military specification single treatment response
  • Thread Series Designator
    Unc
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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 5306012589098

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
50253-4.70 Calmark Corporation
52PSW00A0001 Bookham Technology Plc
50253-4.7 Calmark Corporation
50253-4.70 Pep West Inc.
50253-4.7 Pep West Inc.
Stock Check
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