1-321-802-5889

NSN 5306-01-606-0636

Close Tolerance Hex Head Bolt

About this product

Fatique loading hi-range is 7020 lbs.

Manufacturer part number ST3M753L5-21 for national stock number 5306016060636.

Datasheet

  • Product description

    Close Tolerance Bolt NSN 5306-01-606-0636.

  • MPN or Model

    ST3M753L5-21

  • 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
    0.551 inches
  • Fastener Length
    Between 1.848 inches and 1.878 inches
  • Head Style
    Double hexagon extended washer
  • Head Height
    0.312 inches
  • Width Between Flats
    Between 0.360 inches and 0.375 inches
  • Extended Washer Diameter
    Between 0.575 inches and 0.585 inches
  • Extended Washer Thickness
    0.045 inches
  • Grip Diameter
    Between 0.3115 inches and 0.3120 inches
  • End Application
    Specific navy items
  • Thread Diameter
    0.312 inches
  • Grip Length
    1.312 inches
  • Thready Qty Per Inch (tpi)
    24
  • Criticality Code Justification
    Agav
  • Part Name Assigned By Controlling Agency
    Bolt-close tol, spline drive, flange hd (220 ksi) cres
  • Material
    Stainless steel
  • Material Specification
    Ams5829, ph13 - 8mo assn standard single material response
  • Surface Treatment
    Lubricant and passivate
  • Surface Treatment Specification
    Ams-qq-b-35 assn standard single treatment response
  • Thread Series Designator
    Unjf
Close Tolerance Bolt

An externally threaded fastener whose unthreaded portion is of a specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001) of an inch (0.025 mm) or less of a specific diameter for items one inch (25 mm) or less in diameter. Items over one inch (25 mm) in diameter shall have a tolerance of fifteen ten-thousandths (0.0015) of an inch (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001) of an inch (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 not designed to be held or driven with an inserted driver, nor is it designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. For items having close tolerance, and fabricated from material having 160,000 pounds per square inch (1100 megapascals) minimum tensile strength, see bolt, shear. For items fabricated from material having less than 160,000 pounds per square inch (1100 megapascals) minimum tensile strength and not having a close tolerance, see bolt, machine.

Mechanic Bill explains Close Tolerance Hex Head Bolt

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NSN 5306016060636

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
ST3M753L5-21 Boeing Company, The
AIC753L5-21 Sps Technologies, Llc
VFK500L5-21 Valley-todeco, Inc.
VS3190L5-21 Arconic Global Fasteners & Rings,
S343L5-21 Huck International, Inc.
HP7753L5-21 Heartland Precision Fasteners, Inc.
PBF1287L5-21 Sps Technologies, Llc
122997L5-21 Sps Technologies, Llc
ST3M753L5-21 Fastener Innovation Technology, Inc.
V83190L5-21 Hi-shear Corporation
122997L5-21 Sps Technologies, Llc
VFK600L5-21 Valley-todeco, Inc.
AIC763L5-21 Sps Technologies, Llc
HP7753L5021 Heartland Precision Fasteners, Inc.
SLB255L-21 Space-lok, Inc.
GS1032L5-21 B & B Specialties Inc.
ST3M753L5-21 Houston Precision Fasteners I, Lp
PBF1267L5-21 Sps Technologies, Llc
122897L5-21 Sps Technologies, Llc
ST3M75L5-21 Fastener Innovation Technology, Inc.
MB156L5-21 Hi-shear Corporation
122897L5-21 Sps Technologies Inc
Stock Check
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