Part Number
DEMIL
Shelf Life
UOM
NIIN
Part Information
Lockwasher and washer not rated screw 55000 poundsper square inch
NSN
National Stock Number:
TXT
Description:
Assembled Washer Screw
MRC:
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.AAJD
Thread Class:
2a
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:
0.211 inches
MRC:
The dimension,measured along a line parallel to the longitudinal axis,from the largest bearing surface of the fastener head to the extreme opposite end,or as specifically designated for other type fasteners.AASB
Fastener Length:
0.312 inches
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.AASK
Head Style:
Pan no. 2
MRC:
The length of a straight line which passes through the center of a circular head,and terminates at the circumference.AASL
Head Diameter:
Between 0.256 inches and 0.270 inches
MRC:
A measurement from the bottom to the top of the head,in distinction from depth.AASU
Head Height:
Between 0.072 inches and 0.082 inches
MRC:
The number of washers included on the item.AAVW
Washer Quantity:
2
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the internal drive.ABQZ
Internal Drive Style:
Slot
MRC:
The nominal length of a straight line which passes through the center of the threaded portion,and terminates at the circumference.AHYM
Thread Diameter:
0.138 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):
32
MRC:
A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.CQFM
Hardness Rating:
45.0 rockwell c secondary washer and 53.0 rockwell c secondary washer
MRC:
An indication of whether or not the secondary is identical to the primary washer.CRGX
Secondary Washer Relationship To Primary Washer:
Not identical
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the secondary washer.CRYT
Secondary Washer Style:
Flat
Primary Washer Outside Diameter:
0.250 inches
Secondary Washer Outside Diameter:
0.258 inches
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the primary washer.CTHW
Primary Washer Style:
Split helical ring
Primary Washer Material Thickness:
0.031 inches
Secondary Washer Material Thickness:
0.016 inches
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Steel comp 1010 or steel or steel comp 1020 or steel comp 1025
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:
Qq-s-634 federal specification 1st material response or 66, 1060-1080 federal standard 2nd material response or qq-s-636 federal specification 2nd material response or mil-s-7952 military specification 3rd material response or mil-s-7952 military specification 4th 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 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, cl 3 federal specification all treatment responses
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:
Unc
MRC:
The document designator of the specification or standard which established the item of supply.ZZZK
Specification Data:
80205-nas720 professional/industrial association standard
