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Shoulder Bolt

Model / MPN: A51B92518-11 | NSN: 5306-00-003-3883
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
5306-00-003-3883
Sold in multiples of
1 EA
DEMIL
NO
Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.580 inches and 0.590 inches
Fastener Length
3.860 inches
Head Style
Round w/wrench flats
Head Diameter
1.060 inches
Head Height
0.188 inches
Width Between Flats
0.800 inches
Shoulder Diameter
0.7393 inches first shoulder and 0.7400 inches first shoulder
Shoulder Length
3.270 inches first shoulder and 3.280 inches first shoulder
Shank Unthreaded Hole Diameter
0.141 inches first hole and 0.151 inches first hole
Thread Diameter
0.625 inches
Thready Qty Per Inch (tpi)
18
Hardness Rating
46.0 rockwell c and 49.0 rockwell c
Distance From Head Largest Bearing Surface To Shank Hole Center
3.600 inches first hole
Shoulder Shape
Round first shoulder
Material
Steel comp d6ac
Material Specification
Mil-s-8949 military specification single material response
Surface Treatment
Cadmium
Surface Treatment Specification
Mil-c-8837, type 2, class 1 mfr ref single treatment response
Thread Series Designator
Unjf
A51B92518 Series Parts

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A51B92518-11 Cross Reference
  • A51B92518-11