NSN 5306-01-337-5442
Close Tolerance Hex Head Bolt
Between 0.812 inches and 0.842 inches fastener length, double hexagon head style, between 0.154 inches and 0.174 inches head height, width between flats: between 0.430 inches and 0.439 inches .
Manufacturer part number BACB30UU4-7 for national stock number 5306013375442.
Datasheet
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Product description
Close Tolerance Bolt NSN 5306-01-337-5442.
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MPN or Model
BACB30UU4-7
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Schedule B
7508.90.0000 (Other articles of nickel, nesoi (excluding cloth, grill & netting of nickel wire)) -
NMF (National Motor Freight)
093486 - Bolts, Nuts Or Screws, NOI (sub 3) -
Thread Class
3a -
Thread Direction
Right-hand -
Thread Length
0.389 inches -
Fastener Length
Between 0.812 inches and 0.842 inches -
Head Style
Double hexagon -
Head Height
Between 0.154 inches and 0.174 inches -
Width Between Flats
Between 0.430 inches and 0.439 inches -
Grip Diameter
Between 0.2490 inches and 0.2495 inches -
Thread Diameter
0.250 inches -
Grip Length
Between 0.428 inches and 0.448 inches -
Thready Qty Per Inch (tpi)
28 -
Surface Finish
32.0 microinches bearing surface of head32.0 microinches grip32.0 microinches threads -
Material
Nickel alloy 718 -
Material Specification
Ams 5662 assn standard single material response -
Surface Treatment
Passivate -
Surface Treatment Specification
Qq-p-35 federal specification single treatment response -
Thread Series Designator
Unjf
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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](/public/images/billy-thinking.png)
Pricing and Availability
Get a quote for 5306-01-337-5442 close tolerance boltManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
---|---|
BACB30UU4-7 | Huck International, Inc. |
BACB30UU4-7 | The Boeing Company |
BACB30UU4-7 | Huck Intl Inc |
BACB30UU4-7 | Federal Manufacturing Corporation |
BACB30UU4-7 | Sps Technologies, Llc |
BACB30UU4-7 | Valley-todeco, Inc. |
BACB30UU4-7 | Sps Technologies, Llc |
BACB30UU4-7 | Alcoa Global Fasteners, Inc. |
BACB30UU4-7 | Sps Technologies, Llc |
BACB30UU4-7 | Sonic Industries Inc. |
Stock Check
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