Part Number
DEMIL
Shelf Life
UOM
NIIN
Part Information
63 microinch finish bearing surface, 250 microinch finish on flats and head, 0.020 in. 45 degree chamfer on od of washer face
NSN
National Stock Number:
TXT
Description:
Extended Washer Self-locking Nut
MRC:
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.AAJD
Thread Class:
3b
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:
An element inserted into the fastener,or a design feature,that enables the fastener to effectively resist vibration and rotation.AAUM
Locking Feature:
Prevailing torque all metal design
Washer Outside Diameter:
Between 0.865 inches and 0.880 inches
MRC:
The distance measured in a straight line from the bottom to the top of an item.ABKW
Overall Height:
Between 0.495 inches and 0.505 inches
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the nut.ACTA
Nut Style:
Hexagon
Washer Thickness:
Between 0.060 inches and 0.080 inches
MRC:
The shortest straight line between flats,perpendicular to the height.ASDB
Width Across Flats:
Between 0.736 inches and 0.748 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:
Those features,not otherwise specified,which may be required for proper functioning of the item.CBBL
Features Provided:
Casehardened
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 24.0 rockwell c and 37.0 rockwell c
MRC:
A designation that is used for the purpose of general identification of the thread.CQJX
Thread Size:
0.500 inches
MRC:
The included angle of the countersink.CRSQ
Countersink Angle:
108.0 degrees nut and 112.0 degrees nut
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Steel
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 zinc or 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-z-325 type 2 class 3 federal specification 2nd treatment response or qq-z-325 type 2 class 3 federal specification 3rd treatment response
