MS20006-28 - Bolt
Military Standard Part
Description: Bolt
Part Number: MS20006-28
Item Description
An externally threaded fastener whose threaded portion is of one nominal diameter, no. 10 (0.190 in.) (5 mm) or larger. It is designed with an internal socket or internal multiple spline for use with an internal driver. The head is beveled (conical) or cylindrical in shape. Items with cylindrical shaped heads must have an externally relieved body. A locking feature may be incorporated in the design of the head or threads. See also screw, cap, socket head. Excludes setscrew; screw, shoulder; bolt, shoulder; screw, externally relieved body; bolt, externally relieved body; and screw, machine.
Features and Characteristics
Thread Class
|
3a
|
Thread Direction
|
Right-hand
|
Thread Length
|
Between 0.662 inches and 0.712 inches
|
Fastener Length
|
Between 2.423 inches and 2.453 inches
|
Head Style
|
Bevel-conical
|
Head Diameter
|
Between 0.639 inches and 0.649 inches
|
Head Height
|
0.375 inches
|
Internal Drive Style
|
Hexagon
|
Thread Diameter
|
0.375 inches
|
Width Across Flats
|
Between 0.313 inches and 0.315 inches
|
Thready Qty Per Inch (tpi)
|
24
|
Min. Tensile Strength (psi)
|
160000 pounds per square inch
|
Hardness Rating
|
34.0 rockwell c and 40.0 rockwell c
|
Material
|
Steel comp 4140 or steel comp e4340 or steel comp 6150 or steel comp 8735 or steel comp 8740
|
Material Specification
|
Mil-s-5626 military specification 1st material response or mil-s-5000 military specification 2nd material response or mil-s-8503 military specification 3rd material response or mil-s-6098 military specification 4th material response or mil-s-6049 military specification 5th material response
|
Surface Treatment
|
Cadmium and chromate
|
Surface Treatment Specification
|
Qq-p-416, type 2 cl 2 federal specification single treatment response
|
Thread Series Designator
|
Unf
|
FSC
|
5306 Bolts
|
NIIN
|
006381171
|
NSN
|
5306006381171
|
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