Part Number
DEMIL
Shelf Life
UOM
NIIN
NSN
National Stock Number:
TXT
Description:
Round Plain Nut
MRC:
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.AAJD
Thread Class:
2b
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 length of a straight line which passes through the center of a counterbored portion of a hole,and terminates at the circumference.AAWY
Counterbore Diameter:
2.125 inches first end and 2.135 inches first end
MRC:
The length of a straight line which passes through the center of the small end,and terminates at the circumference.ABPH
Small End Diameter:
Between 2.175 inches and 2.195 inches
Drive Point Depth:
Between 0.105 inches and 0.135 inches
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the nut.ACTA
Nut Style:
Round
Nut Diameter:
Between 2.490 inches and 2.510 inches
MRC:
A measurement between the opposite flat surfaces of the nut,in distinction from length or width.ADBG
Nut Thickness:
Between 0.340 inches and 0.360 inches
Drive Point Width:
Between 0.180 inches and 0.200 inches
Undercut Thickness:
Between 0.110 inches and 0.130 inches
MRC:
The measurement of the enlarged portion adjacent to the threaded portion of a nut,in distinction from height.ADFK
Nut Counterbore Depth:
0.050 inches first end and 0.070 inches first end
MRC:
A designation indicating the diameter-pitch combination and the number of threads per measurement scale applied to a series of diameters.BZRR
Thread Series:
Un
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):
20
MRC:
A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.CQFM
Hardness Rating:
Between 28.0 rockwell c and 34.0 rockwell c
MRC:
A designation that is used for the purpose of general identification of the thread.CQJX
Thread Size:
2.125 inches
MRC:
The included angle of the countersink.CRSQ
Countersink Angle:
90.0 degrees second end
MRC:
Designates the specific roughness rating of the bearing surface,representing the arithmetic average deviation of the surface from the meanline in profile.CSXL
Bearing Surface Finish:
63.0 microinches
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Steel comp 4130 or steel comp 4140 or steel comp 4340
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 a331 assn standard all material responses or ams 6414 assn standard 3rd material response or ams 6415 assn standard 3rd material response or astm a322 assn standard all material responses
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 and chromate
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:
Qq-p-416, type 2, cl 1 federal specification single treatment response
