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NSN 5305-01-247-6837

High Torque Screw

About this product

Internal drive ribbed.

Manufacturer part number HR203-5-16 for national stock number 5305012476837.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-247-6837.

  • MPN or Model

    HR203-5-16

  • 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 0.422 inches and 0.489 inches
  • Fastener Length
    Between 1.432 inches and 1.479 inches
  • Head Style
    Flat countersunk
  • Head Diameter
    Between 0.578 inches and 0.634 inches
  • Grip Diameter
    Between 0.3110 inches and 0.3120 inches
  • Internal Drive Style
    Offset cruciform (torque set)
  • Thread Diameter
    0.312 inches
  • Grip Length
    Between 0.990 inches and 1.010 inches
  • Thready Qty Per Inch (tpi)
    24
  • Min. Tensile Strength (psi)
    156000 pounds per square inch
  • Hardness Rating
    51.0 rockwell c and 54.0 rockwell c
  • Countersink Angle
    Between 99.0 degrees and 101.0 degrees
  • Surface Finish
    32.0 microinches threads
  • Part Name Assigned By Controlling Agency
    Screw, close tolerance
  • Material
    Steel comp h11
  • Material Specification
    Ams6487 assn standard single material response
  • Surface Treatment
    Cadmium and chromate
  • Surface Treatment Specification
    Qq-p-416, type 2 cl 2 federal specification single treatment response
  • Thread Series Designator
    Unjf
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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 5305012476837

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
HR203-5-16 Hi-shear Corporation
HR203-5-16 Lisi Aerospace Canada Corp
GB510DE5-16 Arconic Global Fasteners & Rings,
SCD1780-5-16 Arconic Global Fasteners & Rings,
GB510DE5-16 Sps Technologies, Llc
GB510DE5-16 Hi-shear Corporation
GB510DE5-16 Sps Technologies, Llc
12995D-5-16 Sps Technologies, Llc
GB510DE5-16 Lisi Aerospace Canada Corp
PBF1360-5-16 Sps Technologies, Llc
GB510DE5-16 Northrop Grumman Systems Corporation
HR203-5-16 Hi-shear Corporation
PBF1360-5-16 Sps Technologies, Llc
GB510DE5-16 Northrop Grumman Systems Corporation
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