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NSN 5305-01-047-4000

High Torque Screw

About this product

Between 1.425 inches and 1.472 inches fastener length, flat countersunk head style, between 0.451 inches and 0.507 inches head diameter, grip diameter: between 0.2485 inches and 0.2495 inches .

Manufacturer part number 51B334-18 for national stock number 5305010474000.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-047-4000.

  • MPN or Model

    51B334-18

  • 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)
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    Between 0.290 inches and 0.357 inches
  • Fastener Length
    Between 1.425 inches and 1.472 inches
  • Head Style
    Flat countersunk
  • Head Diameter
    Between 0.451 inches and 0.507 inches
  • Grip Diameter
    Between 0.2485 inches and 0.2495 inches
  • Internal Drive Style
    Offset cruciform (torque set)
  • Thread Diameter
    0.250 inches
  • Grip Length
    Between 1.115 inches and 1.472 inches
  • Thready Qty Per Inch (tpi)
    28
  • Min. Tensile Strength (psi)
    180000 pounds per square inch
  • Hardness Rating
    39.0 rockwell c and 43.0 rockwell c
  • Countersink Angle
    100.0 degrees
  • Surface Finish
    32.0 microinches grip
  • Material
    Steel comp e4340 or steel comp 4340 or steel comp 4140 or steel comp 8740
  • Material Specification
    -1l-s-5000 military specification 1st material response or -1l-s-5000 military specification 2nd material response or -1l-s-5626 military specification 3rd material response or -1l-s-6049 military specification 4th material response
  • Thread Series Designator
    Unjf
  • Specification Data
    86823-51b334 professional/industrial association standard
More from these suppliers
Close Tolerance Screw

A screw, machine or screw, cap, socket head whose unthreaded portion is of specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001 in.) (0.025 mm) or less of a specific diameter for items (1.000 in.) (25 mm) or less in diameter. Items over (1.000 in.) (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015 in.) (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001 in.) (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 designed to be held or driven with an inserted driver. It is not designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads.

Mechanic Bill explains High Torque Screw

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NSN 5305010474000

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
51B334-18 Northrop Grumman Technical Services,
51B334-18 Northrop Grumman Systems Corporation
51B334-18 Sps Technologies, Llc
51B334-18 Sps Technologies, Llc
51B334-18 Sps Technologies, Llc
51B334-18 Hi-shear Corporation
51B334-18 Alcoa Global Fasteners, Inc.
51B334-18 Lisi Aerospace Canada Corp
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