Part Number B18.24-2004

Machine Screw

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Part Number
DEMIL
Shelf Life
UOM
NIIN
Part:
b18.24-2004
Demil:
Shelf Life:
UOM:
NIIN:
016562938

Part Information
Screw machine hex head trimmed unslotted

NSN
National Stock Number:
5305-01-656-2938 5305016562938
TXT
Description:
Machine Screw
INC
INC
Item Name Code:
06657
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:
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.AASA
Thread Length:
12.0 millimeters
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:
16.0 millimeters
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.AASK
Head Style:
Hexagon
MRC:
A measurement from the bottom to the top of the head,in distinction from depth.AASU
Head Height:
Between 2.6 millimeters and 3.0 millimeters
MRC:
None.AATB
Width Between Flats:
Between 6.78 millimeters and 7.00 millimeters
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:
1025-01-445-0991
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:
4.0 millimeters
MRC:
A measurement of distance between corresponding points on two adjacent threads measured parallel to the thread axis,expressed in millimeters.CQQR
Thread Pitch In Millimeters:
0.7
MRC:
A numeric-alpha designator indicating established pitch and crest diameter tolerance positions and grades of an external thread.CQWR
External Thread Tolerance Class:
6g
MRC:
The chemical compound or mechanical mixture properties of which the screw is fabricated.CYAU
Screw Material:
Steel
MRC:
The metallic,nonmetallic,and/or chemical properties with which the screw is plated,dipped and/or coated.the treatment is designed to protect the surface(s) and cannot be wiped off.CYBA
Screw Surface Treatment:
Zinc and chromate
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:
Material grade 8.8
MRC:
A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.THSD
Thread Series Designator:
M

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