Externally Relieved Body Bolt
138912
(NSN) National Stock Number
5306-00-302-8637
Federal Supply Classification
5306 Bolts
Item Name Code
06675
Schedule B Code
7318152000
Summary
3a thread class, right-hand thread direction, 0.300 inches minimum and 0.330 inches maximum thread length, 1.880 inches nominal fastener length, flat chamfer head style, 0.490 inches minimum and 0.519 inches maximum head diameter
| DAC | HCC | DMIL | RNCC |
|---|---|---|---|
| 2 | - | - | 3 |
| RNVC | SADC | MSDS | RNAAC |
|---|---|---|---|
| 2 | - | - | KZ |
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
0.300 inches minimum and 0.330 inches maximum
Details
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.Fastener Length
1.880 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
0.490 inches minimum and 0.519 inches maximum
Details
The length of a straight line which passes through the center of a circular head,and terminates at the circumference.Head Height
0.120 inches nominal
Details
A measurement from the bottom to the top of the head,in distinction from depth.Shank Unthreaded Hole Diameter
0.073 inches nominal first hole
Details
The length of a straight line which passes through the center of the shank unthreaded hole,and terminates at the inside circumference.First Diameter From Head
0.344 inches minimum and 0.345 inches maximum
Details
None.Second Diameter From Head
0.341 inches minimum and 0.342 inches maximum
Details
None.Third Diameter From Head
0.240 inches nominal
Details
None.Fourth Diameter From Head
0.305 inches minimum and 0.312 inches maximum
Details
None.Fifth Diameter From Head
0.240 inches nominal
Details
None.Distance From Largest Bearing Surface Of Head To End Of First Diameter
0.265 inches minimum and 0.305 inches maximum
Details
None.Distance From Largest Bearing Surface Of Head To End Of Second Diameter
0.275 inches nominal
Details
None.Distance From Largest Bearing Surface Of Head To End Of Third Diameter
0.855 inches nominal
Details
None.Distance From Largest Bearing Surface Of Head To End Of Fourth Diameter
1.850 inches nominal
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.Distance From Head Largest Bearing Surface To Shank Hole Center
1.760 inches nominal first hole
Details
The distance from the shank hole centerline to the largest bearing surface of the head.Externally Relieved Body Diameter Quantity
5
Details
The number of externally relieved diameters on the body,adjacent to the head.Material
steel comp 4140 overall or steel comp 8740 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 |
Certified Supplier
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Manufacturer
CURTISS-WRIGHT CONTROLS, INC. DIV ACTUATION DIVISION
CAGE: 0AHP5
SHELBY
, NC
, 28152-0649
UNITED STATES
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FAQs
Frequently asked questions for NSN 5306-00-302-8637
What is the NIIN of the NSN 5306-00-302-8637?
The National Item Identification Number (NIIN) of the NSN 5306-00-302-8637 is 00-302-8637
When the NSN 5306-00-302-8637 was assigned to the Federal Catalog?
It was assigned 61 years ago, on Tue, Jan 1, 1963
Does the NSN 5306-00-302-8637 contain any precious metals?
Type/content is unknown
Does the NSN 5306-00-302-8637 contain any hazardous material?
No data in HMIRS
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