Part Number 861

Hexagon Head Cap Screw

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Part Number
DEMIL
Shelf Life
UOM
NIIN
Part:
861
Demil:
No
Shelf Life:
UOM:
NIIN:
010758227

Part Information
Cold forged; protected by perma plate finish; double heat treated; used in repairing electric vehicles; 50 per pkg

NSN
National Stock Number:
5305-01-075-8227 5305010758227
TXT
Description:
Hexagon Head Cap Screw
INC
INC
Item Name Code:
18257
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:
1.250 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:
1.250 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 0.302 inches and 0.323 inches
MRC:
None.AATB
Width Between Flats:
Between 0.736 inches and 0.750 inches
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:
0.500 inches
MRC:
Those features,not otherwise specified,which may be required for proper functioning of the item.CBBL
Features Provided:
Finished head
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):
20
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):
154000 pounds per square inch
MRC:
The stress at which a material exhibits a specified limiting deviation from the proportionality of stress or strain.CQHQ
Minimum Yield Strength:
120000 pounds per square inch
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Steel comp 1541
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
MRC:
The document designator of the specification or standard which established the item of supply.ZZZK
Specification Data:
81343-grade 6 professional/industrial association specification

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