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NSN 5305-01-651-9671

High Torque Screw

About this product

Between 0.891 inches and 0.937 inches fastener length, countersunk cylindrical convex head style, between 0.1885 inches and 0.1894 inches grip diameter, head major diameter: between 0.376 inches and 0.385 inches .

Manufacturer part number NAS333CA7 for national stock number 5305016519671.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-651-9671.

  • MPN or Model

    NAS333CA7

  • Schedule B
    7318.15.2000 (Bolts and bolts and their nuts or washers exported in the same shipment)
  • NMF (National Motor Freight)
    096640 - Screws, Iron Or Steel
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    0.406 inches
  • Fastener Length
    Between 0.891 inches and 0.937 inches
  • Head Style
    Countersunk cylindrical convex
  • Grip Diameter
    Between 0.1885 inches and 0.1894 inches
  • Head Major Diameter
    Between 0.376 inches and 0.385 inches
  • Internal Drive Style
    Hexagon
  • End Application
    1055-01-536-7106
  • Thread Diameter
    0.1900 inches
  • Grip Length
    0.500 inches
  • Width Across Flats
    Between 0.1260 inches and 0.1290 inches
  • Thready Qty Per Inch (tpi)
    32
  • Countersink Angle
    100.0 degrees
  • Material
    Steel comp 4140 or steel comp 4340 or steel comp 8740
  • Material Specification
    Ams6382 assn standard single material response or ams6349 assn standard single material response or ams6484 assn standard single material response or ams6414 assn standard single material response or ams6322 assn standard single material response or ams6327 assn standard single material response
  • Surface Treatment
    Cadmium
  • Surface Treatment Specification
    Ams-qq-p-416, type ii, class 2 assn standard 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 5305016519671

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
NAS333CA7 Lockheed Martin Corporation
NAS333CA7 National Aerospace Standards
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