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NSN 5305-01-111-9153

High Torque Screw

About this product

Between 1.475 inches and 1.495 inches fastener length, flat countersunk head style, between 0.449 inches and 0.507 inches head diameter, locking feature: detent ball grip.

Manufacturer part number AS221-04-0845 for national stock number 5305011119153.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-111-9153.

  • MPN or Model

    AS221-04-0845

  • 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
    Between 0.540 inches and 0.570 inches
  • Fastener Length
    Between 1.475 inches and 1.495 inches
  • Head Style
    Flat countersunk
  • Head Diameter
    Between 0.449 inches and 0.507 inches
  • Locking Feature
    Detent ball grip
  • Grip Diameter
    Between 0.2480 inches and 0.2492 inches
  • Internal Drive Style
    Offset cruciform (torque set)
  • Thread Diameter
    0.250 inches
  • Grip Length
    Between 0.835 inches and 0.855 inches
  • Thready Qty Per Inch (tpi)
    28
  • Countersink Angle
    Between 99.0 degrees and 101.0 degrees
  • Material
    Steel comp 631 spring or steel comp 302 spring
  • Material Specification
    Qq-s-763 federal specification single material response locking feature
  • Surface Treatment
    Passivate
  • Surface Treatment Specification
    Qq-p-35 federal specification single treatment response or fps-3007, cage84256 mfr ref single treatment response
  • Thread Series Designator
    Unf
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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 5305011119153

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
AS221-04-0845 Avibank Mfg., Inc.
AS221-04-0845 Avibank Mfg., Inc.
AS221-04-0845 Avibank Mfg., Inc.
Stock Check
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