Part Number
DEMIL
Shelf Life
UOM
NIIN
Part Information
4.750-12un-3a x 1.500 largest shoulder diameter with 0.172 deep x 0.406 w slot in thread and 0.125 deep x 0.250 w keyslot first end
NSN
National Stock Number:
TXT
Description:
Headless Shoulder Pin
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the first end.AAGZ
First End Style:
Chamfered
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the second end.AAHP
Second End Style:
Square
MRC:
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.AAJD
Thread Class:
3a
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:
1.206 inches
MRC:
The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.ABHP
Overall Length:
Between 12.656 inches and 12.688 inches
First Step Diameter:
4.750 inches
First Step Length:
1.500 inches
Second Step Diameter:
Between 4.240 inches and 4.250 inches
Second Step Length:
Between 1.4935 inches and 1.5255 inches
Third Step Diameter:
1.093 inches
Third Step Length:
2.563 inches
First End Taper Length:
0.125 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):
12
MRC:
Indicates whether or not the second end is identical to the first end.CQBB
Second End Relationship With First End:
Not identical
MRC:
A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.CQFM
Hardness Rating:
16.0 rockwell c and 27.0 rockwell c
MRC:
A designation that is used for the purpose of general identification of the thread.CQJX
Thread Size:
1.500 inches
Second Shank Diameter:
Between 1.999 inches and 2.000 inches
MRC:
Indicates the location of the first end.CRDY
First End Location:
Unthreaded end
First End Taper Angle:
45.0 degrees
MRC:
Designates the specific surface roughness rating,representing the arithmetic average deviation of the surface from the meanline in profile.CSYM
Surface Finish:
16.0 microinches large shank
Second Shank Length:
Between 7.100 inches and 7.120 inches
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Steel comp 1045 and steel comp 1137
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:
Phosphate manganese and lubricant
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.STYL
Style Designator:
Shoulder
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:
Unf
