Part Number NAS1189-4T12

Machine Screw

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Part Number
DEMIL
Shelf Life
UOM
NIIN
Part:
nas1189-4t12
Demil:
No
Shelf Life:
UOM:
NIIN:
004708098
NSN
National Stock Number:
5305-00-470-8098 5305004708098
TXT
Description:
Machine Screw
INC
INC
Item Name Code:
06657
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:
0.573 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 0.719 inches and 0.750 inches
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.AASK
Head Style:
Flat countersunk
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 0.442 inches and 0.507 inches
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the internal drive.ABQZ
Internal Drive Style:
Torque set
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:
0.250 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):
28
MRC:
The maximum rated load in tension applied in a longitudinal direction,per unit of cross-sectional area,that the material can withstand without rupture.CQBC
Min. Tensile Strength (psi):
160000 pounds per square inch
MRC:
The included angle of the countersink.CRSQ
Countersink Angle:
Between 99.0 degrees and 101.0 degrees
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 8735 or steel comp 8740 or steel comp 6150
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:
Mil-s-5626 military specification 1st material response or mil-s-5000 military specification 2nd material response or mil-s-6098 military specification 3rd material response or mil-s-6049 military specification 4th material response or mil-s-8503 military specification 5th 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 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 of the screw.CYBE
Screw Surface Treatment Specification:
Qq-p-416, type 2, class 2 federal specification all treatment responses
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:
32.0 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-nas1189 professional/industrial association standard

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