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NSN 5306-01-341-2252

Close Tolerance Hex Head Bolt

About this product

Between 0.178 inches and 0.198 inches fastener length, spline drive shear head head style, 0.281 inches head height, locking feature: patch locking feature.

Manufacturer part number SS5025-08-003 for national stock number 5306013412252.

Datasheet

  • Product description

    Close Tolerance Bolt NSN 5306-01-341-2252.

  • MPN or Model

    SS5025-08-003

  • 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
    0.063 inches
  • Fastener Length
    Between 0.178 inches and 0.198 inches
  • Head Style
    Spline drive shear head
  • Head Height
    0.281 inches
  • Locking Feature
    Patch locking feature
  • Grip Diameter
    Between 0.4985 inches and 0.4995 inches
  • Head Minor Diameter
    Between 0.741 inches and 0.752 inches
  • Thread Diameter
    0.500 inches
  • Grip Length
    0.125 inches
  • Thready Qty Per Inch (tpi)
    20
  • Min. Tensile Strength (psi)
    180000 pounds per square inch
  • Hardness Rating
    39.0 rockwell c fastener and 43.0 rockwell c fastener
  • Material
    Plastic polyamide locking featuresteel comp 4340 fastener
  • Material Specification
    Mil-s-8844 military specification single material response fastener
  • Surface Treatment
    Cadmium fastener and chromate fastener
  • Surface Treatment Specification
    Qq-p-416, type 2 federal specification single treatment response fastener
  • Thread Series Designator
    Unjf
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Close Tolerance Bolt

An externally threaded fastener whose unthreaded portion is of a specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001) of an inch (0.025 mm) or less of a specific diameter for items one inch (25 mm) or less in diameter. Items over one inch (25 mm) in diameter shall have a tolerance of fifteen ten-thousandths (0.0015) of an inch (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001) of an inch (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the screw thread standards, fed std h28 and/or other nationally recognized standards. The head is not designed to be held or driven with an inserted driver, nor is it designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. For items having close tolerance, and fabricated from material having 160,000 pounds per square inch (1100 megapascals) minimum tensile strength, see bolt, shear. For items fabricated from material having less than 160,000 pounds per square inch (1100 megapascals) minimum tensile strength and not having a close tolerance, see bolt, machine.

Mechanic Bill explains Close Tolerance Hex Head Bolt

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NSN 5306013412252

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
SS5025-08-003 Sikorsky Aircraft Corporation
SS5025-08-003 Sps Technologies, Llc
SS5025-08-003 M.s. Aerospace Inc.
SS5025-08-003 Sps Technologies, Llc
SS5025-08-003 Sps Technologies, Llc
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