Ribbed Shoulder Bolt

MS51946-3

MS51946-3
(NSN) National Stock Number
5306-00-206-6339
Federal Supply Classification
5306 Bolts
Item Name Code
16014
Schedule B Code
7318152000
Summary

3a thread class, left-hand thread direction, 1.187 inches minimum thread length, 2.562 inches nominal fastener length, flat chamfer head style, 1.312 inches nominal head diameter

DAC HCC DMIL RNCC
4 - - 2
RNVC SADC MSDS RNAAC
2 - - KZ
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
1.187 inches minimum
Details A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.
Fastener Length
2.562 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
0.971 inches minimum first shoulder and 0.976 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
0.940 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
0.998 inches minimum and 1.008 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
0.560 inches minimum and 0.622 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
0.280 inches nominal
Details The measurement from the largest diameter of the bearing surface of the head to the ribs.
Rib Minor Diameter
0.926 inches minimum and 0.930 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
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.
Surface Treatment
cadmium overall and chromate 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.
Master-Cross Reference List
Part CAGE DAC HCC RNCC RNVC MSDS RNAAC
5306002066339 A00AM 9 - 6 9 - YP
5306002066339 SCY13 9 - 5 9 - YP
20X403 72865 X - 5 9 - XX
PX2040A 89564 5 - 5 9 - KZ
20X403 63734 X - 5 9 - XX
20X403 78500 X - 5 9 - XX
623D6 56442 5 - 5 9 - KZ
913800X2 58275 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 -
RVC WCC TCC SHC
- 573 Z 9

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Manufacturer
MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
CAGE: 96906
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FAQs
Frequently asked questions for NSN 5306-00-206-6339
What is the NIIN of the NSN 5306-00-206-6339?
The National Item Identification Number (NIIN) of the NSN 5306-00-206-6339 is 00-206-6339
When the NSN 5306-00-206-6339 was assigned to the Federal Catalog?
It was assigned 61 years ago, on Tue, Jan 1, 1963
Does the NSN 5306-00-206-6339 contain any precious metals?
Does not contain precious metal
Does the NSN 5306-00-206-6339 contain any hazardous material?
No data in HMIRS

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