Ribbed Shoulder Bolt
20340
(NSN) National Stock Number
5306-00-771-2548
Federal Supply Classification
5306 Bolts
Item Name Code
16014
Schedule B Code
7318152000
Summary
3a thread class, right-hand thread direction, 0.781 inches minimum and 0.812 inches maximum thread length, 1.312 inches minimum and 1.328 inches maximum fastener length, 0.750 inches nominal head diameter, 0.229 inches minimum and 0.239 inches maximum head height
| DAC | HCC | DMIL | RNCC |
|---|---|---|---|
| X | - | - | 5 |
| RNVC | SADC | MSDS | RNAAC |
|---|---|---|---|
| 9 | - | - | XX |
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
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
0.781 inches minimum and 0.812 inches maximum
Details
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.Fastener Length
1.312 inches minimum and 1.328 inches maximum
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 Diameter
0.750 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
0.229 inches minimum and 0.239 inches maximum
Details
A measurement from the bottom to the top of the head,in distinction from depth.Distance From Centerline To Flat
0.280 inches minimum and 0.290 inches maximum
Details
None.Shoulder Diameter
0.531 inches nominal first shoulder
Details
The length of a straight line which passes through the center of the shoulder and terminates at the circumference.Shoulder Length
0.380 inches minimum first shoulder and 0.390 inches maximum first shoulder
Details
The length of the enlarged portion of the shank on the item,in distinction from width or diameter.Rib Major Diameter
0.550 inches minimum and 0.560 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
0.318 inches minimum and 0.328 inches maximum
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
0.062 inches nominal
Details
The measurement from the largest diameter of the bearing surface of the head to the ribs.Nominal Thread Diameter
0.437 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
20
Details
The number of threads on the item per linear inch measured on a line parallel to the thread axis.Minimum Yield Strength
75000 pounds per square inch
Details
The stress at which a material exhibits a specified limiting deviation from the proportionality of stress or strain.Shoulder Shape
ribbed 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.Master-Cross Reference List
| Part | CAGE | DAC | HCC | RNCC | RNVC | MSDS | RNAAC |
|---|---|---|---|---|---|---|---|
| 375696 | 24617 | X | - | 5 | 9 | - | XX |
| 476514 | 24617 | X | - | 5 | 9 | - | XX |
| 375696 | 7X677 | 5 | - | C | 1 | - | ZZ |
| 476514 | 7X677 | 5 | - | C | 1 | - | ZZ |
| 7712548 | 19207 | X | - | 3 | 2 | - | XX |
| 375696 | 33116 | X | - | 5 | 9 | - | XX |
Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
| HMIC | PMIC | ESD/EMI | Criticality |
|---|---|---|---|
| N | A | - | - |
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
KELSEY-HAYES CO WHEEL DRUM AND BRAKE DIV
CAGE: 33116
DETROIT
, MI
, 48232
UNITED STATES
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FAQs
Frequently asked questions for NSN 5306-00-771-2548
What is the NIIN of the NSN 5306-00-771-2548?
The National Item Identification Number (NIIN) of the NSN 5306-00-771-2548 is 00-771-2548
When the NSN 5306-00-771-2548 was assigned to the Federal Catalog?
It was assigned 64 years ago, on Fri, Jan 1, 1960
Does the NSN 5306-00-771-2548 contain any precious metals?
Does not contain precious metal
Does the NSN 5306-00-771-2548 contain any hazardous material?
No data in HMIRS
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