NSN 5305-01-646-1663
Button Head Socket Screw
About this product
50.0 millimeters fastener length, flat chamfer head style, between 17.6 millimeters and 18.0 millimeters head diameter, head height: between 11.7 millimeters and 12.0 millimeters .
Manufacturer part number B18.3.1M for national stock number 5305016461663.
Datasheet
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Product description
Socket Head Cap Screw NSN 5305-01-646-1663.
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MPN or Model
B18.3.1M
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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 Direction
Right-hand -
Thread Length
Between 36.0 millimeters and 44.8 millimeters -
Fastener Length
50.0 millimeters -
Head Style
Flat chamfer -
Head Diameter
Between 17.6 millimeters and 18.0 millimeters -
Head Height
Between 11.7 millimeters and 12.0 millimeters -
Locking Feature
Pellet or strip or patch threads -
Internal Drive Style
Hexagon -
End Application
Engine, diesel -
Thread Diameter
12.0 millimeters -
Width Across Flats
10.0 millimeters -
Thread Pitch In Millimeters
1.75 -
External Thread Tolerance Class
4g6g -
Part Name Assigned By Controlling Agency
Screw cap hexagon socket head (metric) -
Material
Steel property class 12.9 -
Thread Series Designator
Iso m
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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 5305-01-646-1663 socket head cap screwManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
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B18.3.1M | American National Standards |
B1831BH120050L | American National Standards |
Stock Check
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