1-321-802-5889

NSN 5305-01-586-7054

High Torque Screw

About this product

0.400 inches fastener length, flat countersunk head style, between 0.211 inches and 0.279 inches head diameter, locking feature: patch locking feature.

Manufacturer part number NAS1161-1B for national stock number 5305015867054.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-586-7054.

  • MPN or Model

    NAS1161-1B

  • 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
    0.338 inches
  • Fastener Length
    0.400 inches
  • Head Style
    Flat countersunk
  • Head Diameter
    Between 0.211 inches and 0.279 inches
  • Locking Feature
    Patch locking feature
  • Grip Diameter
    Between 0.136 inches and 0.137 inches
  • Internal Drive Style
    Torque-set ribbed
  • End Application
    B-1b aircraft
  • Thread Diameter
    0.138 inches
  • Grip Length
    0.062 inches
  • Thready Qty Per Inch (tpi)
    32
  • Countersink Angle
    100.0 degrees
  • Material
    Steel comp 4140
  • Surface Treatment
    Cadmium
  • Surface Treatment Specification
    Qq-p-416 type ii, class 2 federal specification single treatment response
  • Thread Series Designator
    Unjc
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 5305015867054

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
NAS1161-1B National Aerospace Standards
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