Part Number
DEMIL
Shelf Life
UOM
NIIN
Part Information
Screw, hex head, cruciform recess, full thread, alloy steel, 160ksi ftu
NSN
National Stock Number:
TXT
Description:
Machine Screw
MRC:
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.AAJD
Thread Class:
3a
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:
Between 0.7965 inches and 0.8435 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:
Between 0.7965 inches and 0.8435 inches
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.AASK
Head Style:
Hexagon
MRC:
A measurement from the bottom to the top of the head,in distinction from depth.AASU
Head Height:
Between 0.125 inches and 0.140 inches
Width Between Flats:
Between 0.367 inches and 0.376 inches
MRC:
The length of a straight line which passes through the center of a hole,and terminates at the circumference.AAUB
Hole Diameter:
Between 0.046 inches and 0.056 inches
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the internal drive.ABQZ
Internal Drive Style:
Cross recess type ii
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:
0.2500 inches
MRC:
The number of holes provided.ASXK
Hole Quantity:
3
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:
The chemical compound or mechanical mixture properties of which the screw is fabricated.CYAU
Screw Material:
Steel comp 4140 or steel comp 4340 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 screw material.CYAW
Screw Material Specification:
Ams6382 national specification 1st material response or ams6415 or ams6484 national specification 2nd material response or ams6322 national specification 3rd material response
MRC:
The metallic,nonmetallic,and/or chemical properties with which the screw is plated,dipped and/or coated.the treatment is designed to protect the surface(s) and cannot be wiped off.CYBA
Screw Surface Treatment:
Cadmium
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 of the screw.CYBE
Screw Surface Treatment Specification:
Qq-p-416, type ii, class 2 federal specification single treatment response
MRC:
The style designation that most nearly corresponds to the appearance of the hole configuration in the head.CYBG
Head Hole Configuration Style:
Hexagon flats
MRC:
Designates the specific surface roughness rating,representing the arithmetic average deviation of the bearing surface of head from the meanline in profile.CYBH
Bearing Surface Of Head Surface Finish:
63.0 microinches
MRC:
Designates the specific surface roughness rating,representing the arithmetic average deviation of the shank surface from the meanline in profile.CYBK
Shank Surface Finish:
32.0 microinches
MRC:
Designates the specific surface roughness rating,representing the arithmetic average deviation of the thread surface from the meanline in profile.CYBL
Thread Surface Finish:
32.0 microinches
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:
Unjf
MRC:
The document designator of the specification or standard which established the item of supply.ZZZK
Specification Data:
80205-nas1801 professional/industrial association standard
