Externally Relieved Body Bolt
261012
(NSN) National Stock Number
5306-00-637-8688
Federal Supply Classification
5306 Bolts
Item Name Code
06675
Schedule B Code
7318152000
Summary
Right-hand thread direction, 0.730 inches minimum and 0.770 inches maximum thread length, 1.678 inches minimum and 1.698 inches maximum fastener length, double hexagon w/hole head style, 0.320 inches minimum and 0.340 inches maximum head height, 0.304 inches minimum and 0.313 inches maximum width between flats
| 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 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
0.730 inches minimum and 0.770 inches maximum
Details
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.Fastener Length
1.678 inches minimum and 1.698 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 Style
double hexagon w/hole
Details
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.Head Height
0.320 inches minimum and 0.340 inches maximum
Details
A measurement from the bottom to the top of the head,in distinction from depth.Width Between Flats
0.304 inches minimum and 0.313 inches maximum
Details
None.Extended Washer Diameter
0.428 inches minimum and 0.448 inches maximum
Details
None.Extended Washer Thickness
0.060 inches minimum and 0.070 inches maximum
Details
None.Hole Diameter
0.062 inches nominal
Details
The length of a straight line which passes through the center of a hole,and terminates at the circumference.First Diameter From Head
0.218 inches minimum and 0.228 inches maximum
Details
None.Distance From Largest Bearing Surface Of Head To End Of First Diameter
0.928 inches minimum and 0.948 inches maximum
Details
None.Nominal Thread Diameter
0.250 inches
Details
The nominal length of a straight line which passes through the center of the threaded portion,and terminates at the circumference.Hole Quantity
4
Details
The number of holes provided.Hole Type
drilled
Details
Indicates the type of hole(s) provided in the item.Nonstandard Thread Pitch Diameter
+0.2216 to 0.2238 inches
Details
The minimum and maximum pitch diameter limits of a nonstandard straight screw thread.Thread Quantity Per Inch
28
Details
The number of threads on the item per linear inch measured on a line parallel to the thread axis.Hardness Rating
30.0 rockwell c minimum overall and 38.0 rockwell c maximum overall
Details
A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.Hole Configuration Style
hexagon longitudinal hole
Details
The style designation that most nearly corresponds to the appearance of the hole configuration.Externally Relieved Body Diameter Quantity
1
Details
The number of externally relieved diameters on the body,adjacent to the head.Material
steel comp 601 overall
Details
The chemical compound or mechanical mixture properties of which the item is fabricated.Material Document And Classification
ams 6304 assn std 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
nickel overall and 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 2416 assn std all treatment responses 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
unc
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
RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY
CAGE: 77445
EAST HARTFORD
, CT
, 06118-3811
UNITED STATES
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FAQs
Frequently asked questions for NSN 5306-00-637-8688
What is the NIIN of the NSN 5306-00-637-8688?
The National Item Identification Number (NIIN) of the NSN 5306-00-637-8688 is 00-637-8688
When the NSN 5306-00-637-8688 was assigned to the Federal Catalog?
It was assigned 61 years ago, on Tue, Jan 1, 1963
Does the NSN 5306-00-637-8688 contain any precious metals?
Type/content is unknown
Does the NSN 5306-00-637-8688 contain any hazardous material?
No data in HMIRS
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