Part Number
DEMIL
Shelf Life
UOM
NIIN
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 with nonmetallic insert
Washer Outside Diameter:
Between 0.521 inches and 0.531 inches
MRC:
The distance measured in a straight line from the bottom to the top of an item.ABKW
Overall Height:
0.334 inches
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the nut.ACTA
Nut Style:
Double hexagon
Washer Thickness:
0.090 inches
MRC:
The shortest straight line between flats,perpendicular to the height.ASDB
Width Across Flats:
Between 0.362 inches and 0.377 inches
MRC:
A value which expresses the degree of heat or cold as applied to the operation,or limitation of operation,of an item.AZKQ
Tempurature Rating:
250.0 degrees fahrenheit
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:
Unjf
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):
28
MRC:
A designation that is used for the purpose of general identification of the thread.CQJX
Thread Size:
0.250 inches
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Steel comp 4130 or steel comp 4340 or steel comp 3140 or steel comp 8740
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:
Aisi4130 assn standard single material response or aisi4340 assn standard single material response or aisi3140 assn standard single material response or sae8740 assn standard 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 except insert and chromate except insert
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, class 3 federal specification single treatment response
