Externally Relieved Body Bolt
6748959
(NSN) National Stock Number
5306-00-638-4744
Federal Supply Classification
5306 Bolts
Item Name Code
06675
Schedule B Code
7318152000
Summary
3a thread class, right-hand thread direction, 0.522 inches minimum and 0.682 inches maximum thread length, 2.250 inches nominal fastener length, hexagon head style, 0.188 inches nominal head height
| DAC | HCC | DMIL | RNCC |
|---|---|---|---|
| X | - | - | 3 |
| RNVC | SADC | MSDS | RNAAC |
|---|---|---|---|
| 2 | - | - | XX |
Identification
An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes:undercuts for thread relief). It is no. 10 (0.190 in.) (5 mm) or larger in size and has a head which is not designed to be held or driven with an inserted driver or designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Excludes:bolt, internal wrenching and thumbscrew. See also screw, externally relieved body.
| INC | FIIG | Concept | Condition |
|---|---|---|---|
| 06675 | 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
0.522 inches minimum and 0.682 inches maximum
Details
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.Fastener Length
2.250 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
0.188 inches nominal
Details
A measurement from the bottom to the top of the head,in distinction from depth.Width Between Flats
0.492 inches minimum and 0.502 inches maximum
Details
None.First Diameter From Head
0.308 inches minimum and 0.318 inches maximum
Details
None.Second Diameter From Head
0.345 inches minimum and 0.346 inches maximum
Details
None.Third Diameter From Head
0.248 inches minimum and 0.258 inches maximum
Details
None.Distance From Largest Bearing Surface Of Head To End Of First Diameter
0.078 inches nominal
Details
None.Distance From Largest Bearing Surface Of Head To End Of Second Diameter
1.490 inches minimum and 1.550 inches maximum
Details
None.Distance From Largest Bearing Surface Of Head To End Of Third Diameter
1.568 inches minimum and 1.628 inches maximum
Details
None.Nominal Thread Diameter
0.312 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
24
Details
The number of threads on the item per linear inch measured on a line parallel to the thread axis.Hardness Rating
26.0 rockwell c minimum overall and 32.0 rockwell c maximum overall
Details
A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.Externally Relieved Body Diameter Quantity
3
Details
The number of externally relieved diameters on the body,adjacent to the head.Material
steel overall
Details
The chemical compound or mechanical mixture properties of which the item is fabricated.Material Document And Classification
ems-85010 fscm 73342 mfr ref single material response overall
Details
The specification, standard, or manufacturer's reference and the classification designation, such as class, condition, temper, and the like, that identifies the material.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.Surface Treatment Document And Classification
ams 2400 assn std single treatment response overall
Details
The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material.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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Manufacturer
FAQs
Frequently asked questions for NSN 5306-00-638-4744
What is the NIIN of the NSN 5306-00-638-4744?
The National Item Identification Number (NIIN) of the NSN 5306-00-638-4744 is 00-638-4744
When the NSN 5306-00-638-4744 was assigned to the Federal Catalog?
It was assigned 61 years ago, on Tue, Jan 1, 1963
Does the NSN 5306-00-638-4744 contain any precious metals?
Type/content is unknown
Does the NSN 5306-00-638-4744 contain any hazardous material?
No data in HMIRS
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