부품 번호:
ffr556type12class3gradef
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:
0.156 inches
MRC:
A measurement from the bottom to the top of the head,in distinction from depth.AASU
Head Height:
Between 0.015 inches and 0.019 inches
MRC:
The length of a straight line which passes through the center of the body of the shank and terminates at the circumference.AAZE
Shank Diameter:
Between 0.058 inches and 0.061 inches
Head Major Diameter:
Between 0.104 inches and 0.114 inches
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Copper alloy
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:
Qq-w-321 comp a or b, 1/4 hard federal specification single material response
MRC:
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.SFTT
Surface Treatment:
Cadmium or chromate
MRC:
The number,letter,or symbol that indicates the type,style,grade,class,and the like,of an item in a nonidentifying specification or standard.ZZZT
Specification Or Standard:
13 type and 3 class and f grade
