Part Number 90821A559

Self-drilling Screw

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Part Number
DEMIL
Shelf Life
UOM
NIIN
Part:
90821a559
Demil:
Shelf Life:
UOM:
NIIN:
016542804

Part Information
No.14 self tapping screw; drilling screw for aluminum

NSN
National Stock Number:
5305-01-654-2804 5305016542804
TXT
Description:
Self-drilling Screw
INC
INC
Item Name Code:
38031
MRC:
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.AAJF
Thread Direction:
Right-hand
MRC:
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.AASB
Fastener Length:
1.50 inches
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.AASK
Head Style:
Hexagon extended washer
MRC:
A measurement from the bottom to the top of the head,in distinction from depth.AASU
Head Height:
0.240 inches
MRC:
None.AATB
Width Between Flats:
0.375 inches
MRC:
None.AATC
Extended Washer Diameter:
0.520 inches
MRC:
A measurement of the longest dimension of the point,in distinction from width.AAUY
Point Length:
0.3125 inches
MRC:
The length of the pilot,which is the unthreaded portion beyond the thread used to guide the item.AAVM
Pilot Length:
0.3125 inches
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the point.ABQJ
Point Style:
Self-drilling
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the internal drive.ABQZ
Internal Drive Style:
W/o internal drive
MRC:
The national stock number or the identification information of the end equipment for which the item is a part.AGAV
End Application:
4220-01-618-6266
MRC:
The nominal length of a straight line which passes through the center of the threaded portion,and terminates at the circumference.AHYM
Thread Diameter:
0.250 inches
MRC:
The number of threads on the item per linear inch measured on a line parallel to the thread axis.CMLP
Thready Qty Per Inch (tpi):
14
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of a nonmachine thread.CRGF
Nonmachine Thread Style:
Self drilling
MRC:
The length of a straight line which passes through the center of the nonmachine threaded portion,and terminates at the circumference.CTYF
Nonmachine Thread Diameter:
0.250 inches
MRC:
Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification.FEAT
Special Features:
Screw is rohs compliant
MRC:
A characteristic of light that can be specified in terms of luminance,dominant wavelength,and purity.HUES
Color:
Gray
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Steel property class 18.8
MRC:
The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material.STDC
Surface Treatment Specification:
Protective gray finish mfr ref single treatment response

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