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NSN 5305-01-513-4334

High Torque Screw

About this product

1.062 inches fastener length, flat countersunk head style, between 0.350 inches and 0.398 inches head diameter, spline major diameter: 0.300 inches .

Manufacturer part number BACS12JC4A17 for national stock number 5305015134334.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-513-4334.

  • MPN or Model

    BACS12JC4A17

  • 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
    0.403 inches
  • Fastener Length
    1.062 inches
  • Head Style
    Flat countersunk
  • Head Diameter
    Between 0.350 inches and 0.398 inches
  • Spline Major Diameter
    0.300 inches
  • Grip Diameter
    Between 0.248 inches and 0.249 inches
  • Internal Drive Style
    Torx
  • End Application
    Emer nsn - isil
  • Thread Diameter
    0.250 inches
  • Grip Length
    Between 0.649 inches and 0.669 inches
  • Thready Qty Per Inch (tpi)
    28
  • Countersink Angle
    Between 99.0 degrees and 101.0 degrees
  • Part Name Assigned By Controlling Agency
    (inavy) screw, 100 degree six lobe reduced head, tension, close tolerance3
  • Material
    Stainless steel
  • Material Specification
    Ams 5731 assn standard single material response or ams 5732 assn standard single material response or ams 5737 assn standard single material response or ams 5853 assn standard single material response
  • Surface Treatment
    Cadmium
  • Surface Treatment Specification
    Qq-p-416, type 2, cl 2 federal specification single treatment response
  • Thread Series Designator
    Unjf
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 5305015134334

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
BACS12JC4A17 The Boeing Company
BACS12JC4A17 Sps Technologies, Llc
BACS12JC4A17 Aerospace Manufacturing, Inc.
BACS12JC4A17 Heartland Precision Fasteners, Inc.
BACS12JC4A17 Pilgrim Screw Corporation
BACS12JC4A17 The Boeing Company
Stock Check
Availability for this item was last checked on 03/29/21. The quantities and conditions available at the time were:
  • NE: 6962
  • NS: 37