Part Number 2A1278

Cap Plain Nut

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Part Number
DEMIL
Shelf Life
UOM
NIIN
Part:
2a1278
Demil:
No
Shelf Life:
UOM:
NIIN:
002083013
NSN
National Stock Number:
5310-00-208-3013 5310002083013
TXT
Description:
Cap Plain Nut
INC
INC
Item Name Code:
01855
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:
0.396 inches nut and 0.416 inches nut
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the nut.ACTA
Nut Style:
Cap
MRC:
None.ADEA
Nut Height:
Between 1.115 inches and 1.135 inches
MRC:
The measurement of the enlarged portion adjacent to the threaded portion of a nut,in distinction from height.ADFK
Nut Counterbore Depth:
0.052 inches nut and 0.072 inches nut
MRC:
The shortest straight line between flats,perpendicular to the height.ASDB
Width Across Flats:
Between 0.552 inches and 0.572 inches
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:
Unf
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):
24
MRC:
A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.CQFM
Hardness Rating:
55.0 rockwell c
MRC:
A designation that is used for the purpose of general identification of the thread.CQJX
Thread Size:
0.375 inches
MRC:
The included angle of the countersink.CRSQ
Countersink Angle:
90.0 degrees nut
MRC:
Indicates the type of bearing surface.CRTM
Bearing Surface Type:
Flat
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Steel

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