Square Neck Bolt
FFB571
(NSN) National Stock Number
5306-00-514-7529
Federal Supply Classification
5306 Bolts
Item Name Code
15939
Schedule B Code
7318152000
Summary
2a thread class, right-hand thread direction, 0.750 inches minimum thread length, 2.250 inches nominal fastener length, button head style, 0.563 inches nominal head diameter
| DAC | HCC | DMIL | RNCC |
|---|---|---|---|
| X | - | - | 4 |
| RNVC | SADC | MSDS | RNAAC |
|---|---|---|---|
| 1 | - | - | XX |
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
0.750 inches minimum
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
button
Details
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.Head Diameter
0.563 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
0.125 inches nominal
Details
A measurement from the bottom to the top of the head,in distinction from depth.Neck Length
0.219 inches nominal
Details
A measurement of the longest dimension of the neck,in distinction from width.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.Features Provided
square nut
Details
Those features,not otherwise specified,which may be required for proper functioning of the item.Thread Quantity Per Inch
20
Details
The number of threads on the item per linear inch measured on a line parallel to the thread axis.Minimum Tensile Strength
48000 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.Neck Width
0.250 inches nominal
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
ff-b-571 fed spec 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.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.Nondefinitive Spec/Std Data
c2 type and c class
Details
The number,letter,or symbol that indicates the type,style,grade,class,and the like,of an item in a nonidentifying specification or standard.Master-Cross Reference List
| Part | CAGE | DAC | HCC | RNCC | RNVC | MSDS | RNAAC |
|---|---|---|---|---|---|---|---|
| 70-4-22 | 80049 | X | - | 5 | 1 | - | XX |
| 70-4-22 | 99238 | X | - | 2 | 2 | - | XX |
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 | U |
| RVC | WCC | TCC | SHC |
|---|---|---|---|
| - | 573 | Z | 9 |
Certified Supplier
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Manufacturer
FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
CAGE: 81348
NATL INSTITUTE STDS & TECH
, MD
, 20899
UNITED STATES
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FAQs
Frequently asked questions for NSN 5306-00-514-7529
What is the NIIN of the NSN 5306-00-514-7529?
The National Item Identification Number (NIIN) of the NSN 5306-00-514-7529 is 00-514-7529
When the NSN 5306-00-514-7529 was assigned to the Federal Catalog?
It was assigned 61 years ago, on Tue, Jan 1, 1963
Does the NSN 5306-00-514-7529 contain any precious metals?
Type/content is unknown
Does the NSN 5306-00-514-7529 contain any hazardous material?
No data in HMIRS
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