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Worldwide distributor of NSN parts and consumables located in the USA.

Shoulder Bolt

Model / MPN: 420391-1 | NSN: 5306-00-003-3899
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
5306-00-003-3899
Sold in multiples of
1 EA
DEMIL
NO
Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.811 inches
Fastener Length
6.937 inches
Head Style
Flat chamfer
Head Diameter
3.250 inches
Head Height
0.375 inches
Shoulder Diameter
0.497 inches first shoulder and 0.498 inches first shoulder
Shoulder Length
0.907 inches first shoulder and 0.938 inches first shoulder
Shank Unthreaded Hole Diameter
0.219 inches first hole
Thread Diameter
2.438 inches
Thready Qty Per Inch (tpi)
16
Distance From Head Largest Bearing Surface To Shank Hole Center
6.375 inches first hole
Shoulder Shape
Round first shoulder
Material
Steel comp 416
Material Specification
Qq-s-716, cond t federal specification single material response
Thread Series Designator
Un
420391 Series Parts
Solicitations
Solicitation Description Qty UOM Close Date
SPE5E419T072H Bolt, Shoulder 101 EA 06/27/2019
SPE5E420T0083 Bolt, Shoulder 46 EA 10/11/2019

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420391-1 Cross Reference
  • EPA21A00-071