Square Neck Bolt
SK-2400-8
(NSN) National Stock Number
5306-00-078-9696
Federal Supply Classification
5306 Bolts
Item Name Code
15939
Schedule B Code
7318152000
Summary
2a thread class, right-hand thread direction, 0.875 inches minimum thread length, 0.969 inches minimum and 1.031 inches maximum fastener length, button head style, 0.782 inches minimum and 0.844 inches maximum head diameter
| DAC | HCC | DMIL | RNCC |
|---|---|---|---|
| 5 | - | - | 5 |
| RNVC | SADC | MSDS | RNAAC |
|---|---|---|---|
| 1 | - | - | 75 |
Identification
A headed externally threaded fastener whose threaded portion is of one nominal diameter, with a square neck directly beneath the head.
| INC | FIIG | Concept | Condition |
|---|---|---|---|
| 15939 | A003B0 | - | 1 |
Specifications
Thread Class
2a
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
0.875 inches minimum
Details
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.Fastener Length
0.969 inches minimum and 1.031 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
button
Details
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.Head Diameter
0.782 inches minimum and 0.844 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
0.188 inches minimum and 0.208 inches maximum
Details
A measurement from the bottom to the top of the head,in distinction from depth.Neck Length
0.188 inches minimum and 0.219 inches maximum
Details
A measurement of the longest dimension of the neck,in distinction from width.Nominal Thread Diameter
0.375 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.Minimum Tensile Strength
55000 pounds per square inch
Details
The maximum rated load in tension applied in a longitudinal direction,per unit of cross-sectional area,that the material can withstand without rupture.Hardness Rating
95.0 rockwell b maximum overall
Details
A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.Neck Width
0.368 inches minimum and 0.388 inches maximum
Details
A measurement taken at right angles to the length of the neck,in distinction from thickness.Material
steel overall
Details
The chemical compound or mechanical mixture properties of which the item is fabricated.Material Document And Classification
sae gr 1 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
zinc 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
astm b633 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
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.Master-Cross Reference List
| Part | CAGE | DAC | HCC | RNCC | RNVC | MSDS | RNAAC |
|---|---|---|---|---|---|---|---|
| ANSI B18.5 | 80204 | 4 | - | 5 | 9 | - | ZZ |
| ASME B18.5 | 05047 | 4 | - | 3 | 1 | - | ZZ |
| 240144 | 2S125 | 4 | - | 3 | 2 | - | ZZ |
| MS35751-69 | 96906 | X | - | 5 | 9 | - | XX |
| NASM35751 | 00756 | 4 | - | 5 | 9 | - | ZZ |
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
FAQs
Frequently asked questions for NSN 5306-00-078-9696
What is the NIIN of the NSN 5306-00-078-9696?
The National Item Identification Number (NIIN) of the NSN 5306-00-078-9696 is 00-078-9696
When the NSN 5306-00-078-9696 was assigned to the Federal Catalog?
It was assigned 61 years ago, on Tue, Jan 1, 1963
Does the NSN 5306-00-078-9696 contain any precious metals?
Does not contain precious metal
Does the NSN 5306-00-078-9696 contain any hazardous material?
No data in HMIRS
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