Part Number
DEMIL
Shelf Life
UOM
NIIN
Part Information
Bearing surface of head grooved to 0.394 in. Min, 0.396 in. Maximum dia, 0.092 in. Min, 0.097 in. Maximum lg, from top of head
NSN
National Stock Number:
TXT
Description:
Close Tolerance 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 0.423 inches and 0.473 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 1.745 inches and 1.775 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 0.531 inches and 0.558 inches
MRC:
The length of a straight line which passes through the center of the grip,and terminates at the circumference.AAUR
Grip Diameter:
Between 0.3115 inches and 0.3120 inches
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the internal drive.ABQZ
Internal Drive Style:
Offset cruciform (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:
0.312 inches
MRC:
A measurement of the longest dimension of the grip,in distinction from width.ANEE
Grip Length:
Between 1.302 inches and 1.322 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):
24
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 59.75 degrees and 60.25 degrees
MRC:
Designates the specific surface roughness rating,representing the arithmetic average deviation of the surface from the meanline in profile.CSYM
Surface Finish:
32.0 microinches grip
MRC:
Designates the specific surface roughness rating,representing the arithmetic average deviation of the surface from the meanline in profile.CSYM
Surface Finish:
32.0 microinches threads
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Titanium alloy uns r54520
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:
Nas621, comp 6al-4v assn standard single material response
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:
Unf
