NSN 5305-00-434-5486
High Torque Screw
Conical surface of head 32 micorinches.
Manufacturer part number 3M379-4-12 for national stock number 5305004345486.
Datasheet
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Product description
Close Tolerance Screw NSN 5305-00-434-5486.
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MPN or Model
3M379-4-12
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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)
093486 - Bolts, Nuts Or Screws, NOI (sub 3) -
Unit Weight (Est.)
0.1 lb -
Thread Class
3a -
Thread Direction
Right-hand -
Thread Length
0.316 inches -
Fastener Length
Between 1.051 inches and 1.081 inches -
Head Style
Flat countersunk -
Head Diameter
Between 0.497 inches and 0.507 inches -
Grip Diameter
Between 0.2485 inches and 0.2495 inches -
Shank Unthreaded Hole Diameter
0.076 inches first hole and 0.086 inches first hole -
Internal Drive Style
High-torque -
Thread Diameter
0.250 inches -
Grip Length
Between 0.740 inches and 0.760 inches -
Thready Qty Per Inch (tpi)
28 -
Min. Tensile Strength (psi)
160000 pounds per square inch -
Countersink Angle
Between 99.0 degrees and 101.0 degrees -
Distance From Head Largest Bearing Surface To Shank Hole Center
0.948 inches first hole -
Surface Finish
32.0 microinches threads -
Material
Steel -
Material Specification
Nas 498 assn standard single material response -
Surface Treatment
Cadmium -
Surface Treatment Specification
Qq-p-416, type 2, class 3 federal specification single treatment response -
Thread Series Designator
Unf
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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.
![Mechanic Bill explains High Torque Screw](/public/images/billy-thinking.png)
Pricing and Availability
Get a quote for 5305-00-434-5486 close tolerance screwManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
---|---|
3M379-4-12 | Boeing Company, The |
HT187-4-12 | Alcoa Fastening Systems |
HT8076-4-12 | Alcoa Fastening Systems |
69197-4-12 | Sps Technologies, Llc |
HT187-4-12 | Hi-shear Corporation |
HT187-4-12 | Lisi Aerospace Canada Corp |
HT8076-4-12 | Alcoa Global Fasteners, Inc. |
HT8076-4-12 | Arconic Global Fasteners & Rings, |
3M379-4-12 | Sps Technologies, Llc |
3M379-4-12 | Alcoa Global Fasteners, Inc. |
HT187-4-12 | Satair A/s |
Stock Check
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