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Shoulder Bolt

Model / MPN: A51C43591-11 | NSN: 5306-00-003-3858
ITAR Registered seal

An externally threaded fastener whose threaded portion is of one diameter, no. 10 (0.190 in.) (5 mm) or larger. It has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. The head is not designed to be held or driven with an inserted drivers. A locking feature may be incorporated in the design of the head or threads. For items with a thread diameter smaller than no. 10 (0.190 in.) (5 mm) and those items with an inserted drive head, use screw, shoulder. For items which are no. 10 (0.190 in.) (5 mm) or larger in size and are both shouldered and have an externally relieved body, use bolt, externally relieved body. Excludes thumbscrew.

Product Details
NATO Stock Number
5306-00-003-3858
Sold in multiples of
1 EA
DEMIL
NO
Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.248 inches and 0.258 inches
Fastener Length
1.169 inches
Head Style
Hexagon
Head Height
0.140 inches
Width Between Flats
0.500 inches
Shoulder Diameter
0.3106 inches first shoulder and 0.3112 inches first shoulder
Shoulder Length
0.840 inches first shoulder and 0.850 inches first shoulder
Shank Unthreaded Hole Diameter
0.076 inches first hole and 0.086 inches first hole
Thread Diameter
0.250 inches
Thready Qty Per Inch (tpi)
28
Min. Tensile Strength (psi)
220000 pounds per square inch
Hardness Rating
46.0 rockwell c and 49.0 rockwell c
Distance From Head Largest Bearing Surface To Shank Hole Center
1.048 inches first hole and 1.058 inches first hole
Shoulder Shape
Round first shoulder
Material
Steel
Material Specification
G-1013, comp d6ac, fsc-26512 mfr ref single material response
Surface Treatment
Cadmium
Surface Treatment Specification
Mil-c-8837, type 2, class 1 military specification single treatment response
Thread Series Designator
Unjf
A51C43591 Series Parts

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A51C43591-11 Cross Reference
  • A51C43591-11
  • PLA51C43591