Hexagon Head Cap Screw

99-9480164

99-9480164
(NSN) National Stock Number
5305-00-452-4941
Federal Supply Classification
5305 Screws
Item Name Code
18257
Schedule B Code
7318152000
Summary

2a thread class, right-hand thread direction, 0.407 inches minimum and 0.540 inches maximum thread length, 3.100 inches minimum and 3.140 inches maximum fastener length, hexagon head style, 0.105 inches minimum and 0.115 inches maximum head height

DAC HCC DMIL RNCC
9 - - 6
RNVC SADC MSDS RNAAC
9 - - KE
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
0.407 inches minimum and 0.540 inches maximum
Details A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.
Fastener Length
3.100 inches minimum and 3.140 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
0.105 inches minimum and 0.115 inches maximum
Details A measurement from the bottom to the top of the head,in distinction from depth.
Width Between Flats
0.339 inches minimum and 0.344 inches maximum
Details None.
Nominal Thread Diameter
0.190 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
32
Details The number of threads on the item per linear inch measured on a line parallel to the thread axis.
Material
steel overall
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Surface Treatment
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.
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
A102-26D K7766 5 - 3 2 - KE
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
NATO STOCK NUMBER ASSIGNED BY ANOTHER NATION
CAGE: 99995
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FAQs
Frequently asked questions for NSN 5305-00-452-4941
What is the NIIN of the NSN 5305-00-452-4941?
The National Item Identification Number (NIIN) of the NSN 5305-00-452-4941 is 00-452-4941
When the NSN 5305-00-452-4941 was assigned to the Federal Catalog?
It was assigned 54 years ago, on Fri, May 8, 1970
Does the NSN 5305-00-452-4941 contain any precious metals?
Does not contain precious metal
Does the NSN 5305-00-452-4941 contain any hazardous material?
No data in HMIRS

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