NSN 5305-01-435-8521
High Torque Screw
Between 3.3875 inches and 3.4175 inches fastener length, flat countersunk head style, between 1.047 inches and 1.146 inches head diameter, grip diameter: between 0.5605 inches and 0.5615 inches .
Manufacturer part number BACB30LU9-41 for national stock number 5305014358521.
Datasheet
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Product description
Close Tolerance Screw NSN 5305-01-435-8521.
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MPN or Model
BACB30LU9-41
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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)
096640 - Screws, Iron Or Steel -
Thread Class
3a -
Thread Direction
Right-hand -
Thread Length
0.840 inches -
Fastener Length
Between 3.3875 inches and 3.4175 inches -
Head Style
Flat countersunk -
Head Diameter
Between 1.047 inches and 1.146 inches -
Grip Diameter
Between 0.5605 inches and 0.5615 inches -
Internal Drive Style
Cross recess type 1 -
Thread Diameter
0.5625 inches -
Grip Length
Between 2.5525 inches and 2.5725 inches -
Thready Qty Per Inch (tpi)
18 -
Countersink Angle
Between 99.0 degrees and 101.0 degrees -
Material
Steel comp e4340 and steel comp 8740 -
Material Specification
Mil-s-5000 military specification 1st material response or mil-s-6049 military specification 2nd material response or ams 6322 assn standard 2nd material response -
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 5305-01-435-8521 close tolerance screwManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
---|---|
BACB30LU9-41 | Huck International, Inc. |
BACB30LU9-41 | Sps Technologies, Llc |
BACB30LU9-41 | Valley-todeco, Inc. |
BACB30LU9-41 | Arconic Global Fasteners & Rings, |
BACB30LU9-41 | Federal Manufacturing Corporation |
BACB30LU9-41 | Sps Technologies, Llc |
BACB30LU9-41 | Sps Technologies, Llc |
BACB30LU9-41 | The Boeing Company |
BACB30LU9-41 | Huck Intl Inc |