Ribbed Shoulder Bolt
20X209
(NSN) National Stock Number
5306-00-208-1391
Federal Supply Classification
5306 Bolts
Item Name Code
16014
Schedule B Code
7318152000
Summary
3a thread class, left-hand thread direction, 1.056 inches minimum thread length, 2.375 inches nominal fastener length, flat chamfer head style, 1.312 inches nominal head diameter
| DAC | HCC | DMIL | RNCC |
|---|---|---|---|
| 6 | - | - | 3 |
| RNVC | SADC | MSDS | RNAAC |
|---|---|---|---|
| 2 | - | - | HD |
Identification
An externally threaded fastener whose threaded portion is of one nominal diameter. It has a series of longitudinal ribs, splines or serrations on all or a part of the shoulder. The minor diameter of the ribs must be greater than the major diameter of the threads. See also bolt, ribbed neck.
| INC | FIIG | Concept | Condition |
|---|---|---|---|
| 16014 | A003B0 | - | 1 |
Specifications
Thread Class
3a
Details
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.Thread Direction
left-hand
Details
The direction of the thread when viewed axially. a right-hand thread winds in a clockwise direction while a left-hand thread winds in a counterclockwise direction.Thread Length
1.056 inches minimum
Details
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.Fastener Length
2.375 inches nominal
Details
The dimension,measured along a line parallel to the longitudinal axis,from the largest bearing surface of the fastener head to the extreme opposite end,or as specifically designated for other type fasteners.Head Style
flat chamfer
Details
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.Head Diameter
1.312 inches nominal
Details
The length of a straight line which passes through the center of a circular head,and terminates at the circumference.Head Height
0.312 inches nominal
Details
A measurement from the bottom to the top of the head,in distinction from depth.Shoulder Diameter
0.9740 inches minimum first shoulder and 0.9750 inches maximum first shoulder
Details
The length of a straight line which passes through the center of the shoulder and terminates at the circumference.Shoulder Length
0.688 inches nominal first shoulder
Details
The length of the enlarged portion of the shank on the item,in distinction from width or diameter.Rib Major Diameter
0.9980 inches minimum and 1.0060 inches maximum
Details
The length of a straight line which passes through the center of the rib,and terminates at the outermost surface of the circumference.Rib Length
0.562 inches nominal
Details
A measurement of the longest dimension of a rib along a line parallel to the longitudinal axis.Distance From Largest Diameter Of Bearing Surface Of Head To Ribs
0.125 inches nominal
Details
The measurement from the largest diameter of the bearing surface of the head to the ribs.Rib Minor Diameter
0.9268 inches minimum and 0.9308 inches maximum
Details
The length of a straight line which passes through the center of the rib,and terminates at the innermost surface of the circumference.Rib Quantity
36
Details
The number of ribs included on the item.Nominal Thread Diameter
0.750 inches
Details
The nominal length of a straight line which passes through the center of the threaded portion,and terminates at the circumference.Thread Quantity Per Inch
16
Details
The number of threads on the item per linear inch measured on a line parallel to the thread axis.Rib Included Angle
90.0 degrees nominal
Details
The included angle between the ribs.Shoulder Shape
round first shoulder
Details
The physical configuration of the unthreaded portion of a body adjacent to the head which is larger than the diameter of the shank.Material
steel overall
Details
The chemical compound or mechanical mixture properties of which the item is fabricated.Thread Series Designator
unf
Details
A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
| HMIC | PMIC | ESD/EMI | Criticality |
|---|---|---|---|
| N | U | - | - |
Freight
Universal / National Freight and Handling Information
| UFC | HMC | LTL | LCL |
|---|---|---|---|
| 48950 | - | W | - |
| RVC | WCC | TCC | SHC |
|---|---|---|---|
| - | 573 | Z | 9 |
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FAQs
Frequently asked questions for NSN 5306-00-208-1391
What is the NIIN of the NSN 5306-00-208-1391?
The National Item Identification Number (NIIN) of the NSN 5306-00-208-1391 is 00-208-1391
When the NSN 5306-00-208-1391 was assigned to the Federal Catalog?
It was assigned 61 years ago, on Tue, Jan 1, 1963
Does the NSN 5306-00-208-1391 contain any precious metals?
Type/content is unknown
Does the NSN 5306-00-208-1391 contain any hazardous material?
No data in HMIRS
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