Ribbed Neck Bolt
A43-268
(NSN) National Stock Number
5306-00-208-0020
Federal Supply Classification
5306 Bolts
Item Name Code
15940
Schedule B Code
7318152000
Summary
3a thread class, right-hand thread direction, 0.391 inches minimum and 0.438 inches maximum thread length, 3.531 inches nominal fastener length, hexagon head style, 0.125 inches nominal head height
| DAC | HCC | DMIL | RNCC |
|---|---|---|---|
| X | - | - | 3 |
| RNVC | SADC | MSDS | RNAAC |
|---|---|---|---|
| 2 | - | - | XX |
Identification
A headed externally threaded fastener whose threaded portion is of one nominal diameter with a series of longitudinal ribs, splines or serrations on all or part of the unthreaded portion. See also bolt, ribbed shoulder.
| INC | FIIG | Concept | Condition |
|---|---|---|---|
| 15940 | A003B0 | - | 1 |
Specifications
Thread Class
3a
Details
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.Thread Direction
right-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
0.391 inches minimum and 0.438 inches maximum
Details
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.Fastener Length
3.531 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
hexagon
Details
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.Head Height
0.125 inches nominal
Details
A measurement from the bottom to the top of the head,in distinction from depth.Width Between Flats
0.375 inches nominal
Details
None.Rib Major Diameter
0.200 inches nominal
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
0.500 inches nominal
Details
A measurement of the longest dimension of a rib along a line parallel to the longitudinal axis.Nominal Thread Diameter
0.190 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
32
Details
The number of threads on the item per linear inch measured on a line parallel to the thread axis.Material
steel overall
Details
The chemical compound or mechanical mixture properties of which the item is fabricated.Surface Treatment
cadmium overall
Details
The metallic,nonmetallic,and/or chemical properties with which the item is plated,dipped,and/or coated.the treatment is designed to protect the surface(s) and cannot be wiped off.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 | U |
| RVC | WCC | TCC | SHC |
|---|---|---|---|
| - | 573 | Z | 9 |
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Manufacturer
FAQs
Frequently asked questions for NSN 5306-00-208-0020
What is the NIIN of the NSN 5306-00-208-0020?
The National Item Identification Number (NIIN) of the NSN 5306-00-208-0020 is 00-208-0020
When the NSN 5306-00-208-0020 was assigned to the Federal Catalog?
It was assigned 61 years ago, on Tue, Jan 1, 1963
Does the NSN 5306-00-208-0020 contain any precious metals?
Type/content is unknown
Does the NSN 5306-00-208-0020 contain any hazardous material?
No data in HMIRS
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