Hexagon Head Cap Screw

4240708

4240708
(NSN) National Stock Number
5305-01-661-2434
Federal Supply Classification
5305 Screws
Item Name Code
18257
Schedule B Code
7318152000
Summary

Right-hand thread direction, 16.0 millimeters nominal thread length, 16.0 millimeters nominal fastener length, hexagon head style, 4.0 millimeters nominal head height, 10.0 millimeters nominal width between flats

DAC HCC DMIL RNCC
C - - 3
RNVC SADC MSDS RNAAC
2 - - ZZ
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 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
16.0 millimeters nominal
Details A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.
Fastener Length
16.0 millimeters 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
hexagon
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the head.
Head Height
4.0 millimeters nominal
Details A measurement from the bottom to the top of the head,in distinction from depth.
Width Between Flats
10.0 millimeters nominal
Details None.
End Item Identification
4210-01-622-0440
Details The national stock number or the identification information of the end equipment for which the item is a part.
Nominal Thread Diameter
6.0 millimeters
Details The nominal length of a straight line which passes through the center of the threaded portion,and terminates at the circumference.
Thread Pitch In Millimeters
1.00
Details A measurement of distance between corresponding points on two adjacent threads measured parallel to the thread axis,expressed in millimeters.
External Thread Tolerance Class
6g
Details A numeric-alpha designator indicating established pitch and crest diameter tolerance positions and grades of an external thread.
Part Name Assigned By Controlling Agency
metric hex head cap screw
Details The name assigned to the item by the government agency or commercial organization controlling the design of the item.
Material
steel property class 10.9 overall
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
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.
Thread Series Designator
m
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 A A -
Freight
Universal / National Freight and Handling Information
UFC HMC LTL LCL
50600 - Q -
RVC WCC TCC SHC
- 713 Z 9

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Manufacturer
OSHKOSH DEFENSE LLC
CAGE: 75Q65
OSHKOSH , WI , 54902-7062
UNITED STATES
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FAQs
Frequently asked questions for NSN 5305-01-661-2434
What is the NIIN of the NSN 5305-01-661-2434?
The National Item Identification Number (NIIN) of the NSN 5305-01-661-2434 is 01-661-2434
When the NSN 5305-01-661-2434 was assigned to the Federal Catalog?
It was assigned 7 years ago, on Thu, Feb 23, 2017
Does the NSN 5305-01-661-2434 contain any precious metals?
Does not contain precious metal
Does the NSN 5305-01-661-2434 contain any hazardous material?
No data in HMIRS
What is the ESD classification of NSN 5305-01-661-2434?
No known electrostatic discharge

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