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Bolt, 12 point head, 220 ksi min tensile, 125 ksi min shear, nickel alloy 71 ( and oversize)
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:
0.970 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 2.205 inches and 2.235 inches
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.AASK
Head Style:
Double hexagon extended washer
MRC:
A measurement from the bottom to the top of the head,in distinction from depth.AASU
Head Height:
Between 0.520 inches and 0.540 inches
Width Between Flats:
Between 0.775 inches and 0.797 inches
Extended Washer Diameter:
Between 1.04 inches and 1.05 inches
Extended Washer Thickness:
Between 0.140 inches and 0.160 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 0.6226 inches and 0.6240 inches
MRC:
The minimum load,applied perpendicularly to the longitudinal axis of an item,at which point the item will fracture when subjected to the standard single shear test method.AAWU
Single Shear Strength:
125000 pounds per square inch
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:
0.6250 inches
MRC:
A measurement of the longest dimension of the grip,in distinction from width.ANEE
Grip Length:
Between 1.24 inches and 1.26 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):
18
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):
220000 pounds per square inch
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 bearing surface of head
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 head
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:
Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification.FEAT
Special Features:
Fatigue low load is 3120 and fatigue high load is 31200; service temperature is 350 degrees f; head to be marked with part number configuration iaw bacb30us standard
MRC:
A characteristic of light that can be specified in terms of luminance,dominant wavelength,and purity.HUES
Color:
Black threads
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Nickel alloy 718
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:
Ams5662 or 5962 national 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:
Aluminum
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:
Aluminum pigmented coating iaw bms10-85, type i mfr ref single treatment 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:
Unjf
MRC:
The document designator of the specification or standard which established the item of supply.ZZZK
Specification Data:
81205-bacb30us manufacturers standard
