Part Number 21251

Setscrew

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Part Number
DEMIL
Shelf Life
UOM
NIIN
Part:
21251
Demil:
No
Shelf Life:
UOM:
NIIN:
011586765

Part Information
One drilled slot on side of head, 0.188 inch in width

NSN
National Stock Number:
5305-01-158-6765 5305011586765
TXT
Description:
Setscrew
INC
INC
Item Name Code:
06672
MRC:
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.AAJD
Thread Class:
2a
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:
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:
5.000 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:
2.031 inches
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the point.ABQJ
Point Style:
Oval
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the internal drive.ABQZ
Internal Drive Style:
W/o internal drive
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:
1.125 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):
7
MRC:
The included angle of the countersink.CRSQ
Countersink Angle:
78.0 degrees
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Steel comp 4140
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:
Sae 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:
Unc

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