Hexagon Head Cap Screw

14X3312

14X3312
(NSN) National Stock Number
5305-00-018-1703
Federal Supply Classification
5305 Screws
Item Name Code
18257
Schedule B Code
7318152000
Summary

2a thread class, right-hand thread direction, 1.250 inches minimum and 1.438 inches maximum thread length, 1.812 inches minimum and 1.875 inches maximum fastener length, hexagon head style, 0.302 inches minimum and 0.323 inches maximum head height

DAC HCC DMIL RNCC
5 - - 5
RNVC SADC MSDS RNAAC
9 - - XX
Identification

An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. The threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. The thread length being the controlled dimension, the grip length is not specified. A locking feature may be incorporated in the design of the head or threads. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. Excludes:bolt,machine; bolt,externally relieved body; bolt,internal wrenching; and screw,cap,socket head.

INC FIIG Concept Condition
18257 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
1.250 inches minimum and 1.438 inches maximum
Details A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.
Fastener Length
1.812 inches minimum and 1.875 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
hexagon
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the head.
Head Height
0.302 inches minimum and 0.323 inches maximum
Details A measurement from the bottom to the top of the head,in distinction from depth.
Width Between Flats
0.736 inches minimum and 0.750 inches maximum
Details None.
Nominal Thread Diameter
0.500 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
20
Details The number of threads on the item per linear inch measured on a line parallel to the thread axis.
Minimum Tensile Strength
120000 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
23.0 rockwell c minimum overall and 30.0 rockwell c maximum overall
Details A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.
Minimum Yield Strength
85000 pounds per square inch
Details The stress at which a material exhibits a specified limiting deviation from the proportionality of stress or strain.
Material
steel overall
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Material Document And Classification
sae gr 5 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
cadmium overall or 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
qq-p-416,ty 1,cl 3 fed spec 1st treatment response overall or qq-z-325,ty 1,cl 3 fed spec 2nd 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.
Master-Cross Reference List
Part CAGE DAC HCC RNCC RNVC MSDS RNAAC
S1815 63734 X - 5 9 - XX
FF-S-85C TY II ST 10P 81348 4 - 4 1 - ZZ
FFS85TYPE2STYLE10PGRADE5 81348 5 - 5 9 - XX
181434 24617 5 - 5 9 - XX
181703 24617 5 - 5 9 - XX
S1815 3D6E9 5 - 5 2 - ZZ
S1815 78500 X - 5 2 - XX
S4076 62265 X - 5 9 - XX
394792 65282 X - 5 9 - 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 -
RVC WCC TCC SHC
- 713 Z 9

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Manufacturer
NAPCO INTERNATIONAL LLC
CAGE: 95201
MINNEAPOLIS , MN , 55428-2923
UNITED STATES
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FAQs
Frequently asked questions for NSN 5305-00-018-1703
What is the NIIN of the NSN 5305-00-018-1703?
The National Item Identification Number (NIIN) of the NSN 5305-00-018-1703 is 00-018-1703
When the NSN 5305-00-018-1703 was assigned to the Federal Catalog?
It was assigned 61 years ago, on Tue, Jan 1, 1963
Does the NSN 5305-00-018-1703 contain any precious metals?
Type/content is unknown
Does the NSN 5305-00-018-1703 contain any hazardous material?
No data in HMIRS

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