1-321-802-5889

NSN 5306-01-541-5273

Close Tolerance Hex Head Bolt

About this product

Undrilled head and threads; wrenching element no. 10.

Manufacturer part number ST3M753L4-19 for national stock number 5306015415273.

Datasheet

  • Product description

    Close Tolerance Bolt NSN 5306-01-541-5273.

  • MPN or Model

    ST3M753L4-19

  • 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
    0.468 inches
  • Fastener Length
    1.438 inches
  • Head Style
    Spline extended washer
  • Head Height
    0.250 inches
  • Extended Washer Diameter
    0.465 inches
  • Extended Washer Thickness
    0.036 inches
  • Grip Diameter
    Between 0.249 inches and 0.250 inches
  • Head Minor Diameter
    0.312 inches
  • End Application
    Fighter aircraft (f18 e/f); arr list codes
  • Thread Diameter
    0.250 inches
  • Grip Length
    1.188 inches
  • Thready Qty Per Inch (tpi)
    28
  • Part Name Assigned By Controlling Agency
    Inavy: bolt, close tolerance; dwg: bolt - close toelrance, spline, glange head, 220 ksi, ftu, cres
  • Material
    Stainless steel
  • Material Specification
    Ph13-8mo per ams 5629 assn standard single material response
  • Surface Treatment
    Passivate
  • Surface Treatment Specification
    Ams-qq-p-35 assn standard single treatment response
  • Thread Series Designator
    Unjf
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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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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
ST3M753L4-19 Boeing Company, The
MB156L4-19 Hi-shear Corporation
MB156L4-19 Lisi Aerospace Canada Corp
VFK600L4-19 Valley-todeco, Inc.
AIC763L4-19 Sps Technologies, Llc
VS3190L4-19 Arconic Global Fasteners & Rings,
PBF1267L4-19 Sps Technologies, Llc
HP7753L4-19 Heartland Precision Fasteners, Inc.
S343L4-19 Huck International, Inc.
PBF1267L4-19 Sps Technologies, Llc
PBF1267L4-19 Sps Technologies, Llc
ST3M753L4-19 Fastener Innovation Technology, Inc.
PBF1267L4-19 Sps Technologies Inc
ST3M753L4-19 Boeing Company, The
MB156L4-19 Hi-shear Corporation
SLB255-L4-19 Space-lok, Inc.
GS1032-L4-19 B & B Specialties Inc.
122897L4-19 Sps Technologies, Llc
122897L4-19 Sps Technologies, Llc
MB156L4-19 Lisi Aerospace Canada Corp
VS3190L4-19 Arconic Global Fasteners & Rings,
HP7753L4-19 Heartland Precision Fasteners, Inc.
S343L4-19 Huck International, Inc.
VFK600L4-19 Valley-todeco, Inc.
AIC763L4-19 Sps Technologies, Llc
PBF1267L4-19 Sps Technologies, Llc
ST3M753L4-19 Fastener Innovation Technology, Inc.
PBF1267L4-19 Sps Technologies, Llc
PBF1267L4-19 Sps Technologies, Llc
ST3M753L4-19 Houston Precision Fasteners I, Lp
PBF1267L4-19 Sps Technologies Inc
ST3M753L4-19 Boeing Company, The
MB156L4-19 Hi-shear Corporation
SLB255-L4-19 Space-lok, Inc.
GS1032-L4-19 B & B Specialties Inc.
122897L4-19 Sps Technologies, Llc
122897L4-19 Sps Technologies, Llc
MB156L4-19 Lisi Aerospace Canada Corp
S343L4-19 Huck International, Inc.
PBF1267L4-19 Sps Technologies, Llc
VFK600L4-19 Valley-todeco, Inc.
AIC763L4-19 Sps Technologies, Llc
VS3190L4-19 Arconic Global Fasteners & Rings,
HP7753L4-19 Heartland Precision Fasteners, Inc.
ST3M753L4-19 Fastener Innovation Technology, Inc.
PBF1267L4-19 Sps Technologies, Llc
PBF1267L4-19 Sps Technologies, Llc
ST3M753L4-19 Houston Precision Fasteners I, Lp
PBF1267L4-19 Sps Technologies Inc
ST3M753L4-19 Boeing Company, The
MB156L4-19 Hi-shear Corporation
SLB255-L4-19 Space-lok, Inc.
GS1032-L4-19 B & B Specialties Inc.
122897L4-19 Sps Technologies, Llc
122897L4-19 Sps Technologies, Llc
MB156L4-19 Lisi Aerospace Canada Corp
VFK600L4-19 Valley-todeco, Inc.
AIC763L4-19 Sps Technologies, Llc
VS3190L4-19 Arconic Global Fasteners & Rings,
PBF1267L4-19 Sps Technologies, Llc
HP7753L4-19 Heartland Precision Fasteners, Inc.
S343L4-19 Huck International, Inc.
PBF1267L4-19 Sps Technologies, Llc
PBF1267L4-19 Sps Technologies, Llc
ST3M753L4-19 Fastener Innovation Technology, Inc.
ST3M753L4-19 Houston Precision Fasteners I, Lp
PBF1267L4-19 Sps Technologies Inc
ST3M753L4-19 Boeing Company, The
MB156L4-19 Hi-shear Corporation
SLB255-L4-19 Space-lok, Inc.
GS1032-L4-19 B & B Specialties Inc.
122897L4-19 Sps Technologies, Llc
122897L4-19 Sps Technologies, Llc
MB156L4-19 Lisi Aerospace Canada Corp
VFK600L4-19 Valley-todeco, Inc.
AIC763L4-19 Sps Technologies, Llc
VS3190L4-19 Arconic Global Fasteners & Rings,
PBF1267L4-19 Sps Technologies, Llc
HP7753L4-19 Heartland Precision Fasteners, Inc.
S343L4-19 Huck International, Inc.
PBF1267L4-19 Sps Technologies, Llc
PBF1267L4-19 Sps Technologies, Llc
ST3M753L4-19 Fastener Innovation Technology, Inc.
ST3M753L4-19 Houston Precision Fasteners I, Lp
PBF1267L4-19 Sps Technologies Inc
ST3M753L4-19 Boeing Company, The
MB156L4-19 Hi-shear Corporation
SLB255-L4-19 Space-lok, Inc.
GS1032-L4-19 B & B Specialties Inc.
122897L4-19 Sps Technologies, Llc
122897L4-19 Sps Technologies, Llc
MB156L4-19 Lisi Aerospace Canada Corp
VFK600L4-19 Valley-todeco, Inc.
AIC763L4-19 Sps Technologies, Llc
VS3190L4-19 Arconic Global Fasteners & Rings,
PBF1267L4-19 Sps Technologies, Llc
HP7753L4-19 Heartland Precision Fasteners, Inc.
S343L4-19 Huck International, Inc.
PBF1267L4-19 Sps Technologies, Llc
PBF1267L4-19 Sps Technologies, Llc
ST3M753L4-19 Fastener Innovation Technology, Inc.
ST3M753L4-19 Houston Precision Fasteners I, Lp
PBF1267L4-19 Sps Technologies Inc
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