NSN 5305-01-040-7956
High Torque Screw
Between 4.063 inches and 4.093 inches fastener length, flat countersunk head style, between 0.691 inches and 0.765 inches head diameter, grip diameter: between 0.3735 inches and 0.3745 inches .
Manufacturer part number BACB30LU6-56 for national stock number 5305010407956.
Datasheet
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Product description
Close Tolerance Screw NSN 5305-01-040-7956.
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MPN or Model
BACB30LU6-56
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Schedule B
7318.15.2000 (Bolts and bolts and their nuts or washers exported in the same shipment) -
NMF (National Motor Freight)
095190 - Hardware, NOI -
Thread Class
3a -
Thread Direction
Right-hand -
Thread Length
Between 0.553 inches and 0.603 inches -
Fastener Length
Between 4.063 inches and 4.093 inches -
Head Style
Flat countersunk -
Head Diameter
Between 0.691 inches and 0.765 inches -
Grip Diameter
Between 0.3735 inches and 0.3745 inches -
Internal Drive Style
Cross recess type 1 -
Thread Diameter
0.375 inches -
Grip Length
Between 3.490 inches and 3.510 inches -
Thready Qty Per Inch (tpi)
24 -
Countersink Angle
100.0 degrees -
Surface Finish
32.0 microinches threads -
Material
Steel comp e4340 or steel comp 4340 or steel comp 8740 -
Surface Treatment
Cadmium and chromate -
Surface Treatment Specification
Qq-p-416, type 2, class 2 federal specification single treatment response -
Thread Series Designator
Unjf
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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.
Pricing and Availability
Get a quote for 5305-01-040-7956 close tolerance screwManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
---|---|
BACB30LU6-56 | Huck International, Inc. |
BACB30LU6-56 | Valley-todeco, Inc. |
BACB30LU6-56 | Federal Manufacturing Corporation |
BACB30LU6-56 | Sps Technologies, Llc |
BACB30LU6-56 | Arconic Global Fasteners & Rings, |
BACB30LU6-56 | Sps Technologies, Llc |
BACB30LU6-56 | Sonic Industries Inc. |
BACB30LU6-56 | Sps Technologies, Llc |
BACB30LU6-56 | The Boeing Company |
BACB30LU6-56 | Huck Intl Inc |
BACB30LU6-56 | Alcoa Global Fasteners, Inc. |