Part Number B18.2.1

Hexagon Head Cap Screw

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Part Number
DEMIL
Shelf Life
UOM
NIIN
Part:
b18.2.1
Demil:
No
Shelf Life:
UOM:
NIIN:
015293153

Part Information
Color black

NSN
National Stock Number:
5305-01-529-3153 5305015293153
TXT
Description:
Hexagon Head Cap Screw
INC
INC
Item Name Code:
18257
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:
0.500 inches
MRC:
The national stock number or the identification information of the end equipment for which the item is a part.AGAV
End Application:
Howitzer, 155mm, m777
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:
0.375 inches
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Steel
MRC:
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.MDCL
Material Specification:
Astm a 354 grade bd assn standard all material responses
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:
Astm b 633 type ii sc 3 assn standard all treatment responses
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:
Unc

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