NSN 5305-01-189-8437
Button Head Socket Screw
About this product
Color black; straight knurl.
Manufacturer part number 91251A583 for national stock number 5305011898437.
Datasheet
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Product description
Socket Head Cap Screw NSN 5305-01-189-8437.
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MPN or Model
91251A583
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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.)
2.8 lb -
Thread Class
2a -
Thread Direction
Right-hand -
Thread Length
0.780 inches -
Fastener Length
1.000 inches -
Head Style
Flat chamfer -
Head Diameter
0.469 inches -
Head Height
Between 0.306 inches and 0.312 inches -
Internal Drive Style
Hexagon -
Thread Diameter
0.312 inches -
Width Across Flats
0.250 inches -
Thready Qty Per Inch (tpi)
18 -
Min. Tensile Strength (psi)
180000 pounds per square inch -
Hardness Rating
38.0 rockwell c and 45.0 rockwell c -
Material
Steel -
Material Specification
Grade 8 federal specification all material responses -
Surface Treatment
Oxide -
Thread Series Designator
Unc
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Socket Head Cap Screw
An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See bolt, internal wrenching. Excludes screw, shoulder; and screw, machine.
![Mechanic Bill explains Button Head Socket Screw](/public/images/billy-thinking.png)
Pricing and Availability
Get a quote for 5305-01-189-8437 socket head cap screwManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
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91251A583 | Mcmaster-carr Supply Company |
Stock Check
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