Part Number 51218-1-109

Externally Relieved Body Screw

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Part Number
DEMIL
Shelf Life
UOM
NIIN
Part:
51218-1-109
Demil:
No
Shelf Life:
UOM:
NIIN:
013969147

Part Information
Navy special project

NSN
National Stock Number:
5305-01-396-9147 5305013969147
TXT
Description:
Externally Relieved Body Screw
INC
INC
Item Name Code:
01852
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:
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.AASA
Thread Length:
0.820 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:
2.500 inches
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.AASK
Head Style:
Hexagon
MRC:
The length of a straight line which passes through the center of a hole,and terminates at the circumference.AAUB
Hole Diameter:
Between 0.107 inches and 0.112 inches
MRC:
None.AAWC
First Diameter From Head:
0.500 inches
MRC:
None.AAWD
Second Diameter From Head:
Between 0.405 inches and 0.420 inches
MRC:
None.AAWH
Distance From Largest Bearing Surface Of Head To End Of First Diameter:
1.120 inches
MRC:
None.AAWJ
Distance From Largest Bearing Surface Of Head To End Of Second Diameter:
1.680 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:
The number of holes provided.ASXK
Hole Quantity:
1
MRC:
Indicates the type of hole(s) provided in the item.BQDM
Hole Type:
Drilled
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):
13
MRC:
The style designation that most nearly corresponds to the appearance of the hole configuration.CRHC
Hole Configuration Style:
Hexagon flats
MRC:
The number of externally relieved diameters on the body,adjacent to the head.CSNG
Externally Relieved Body Diameter Quantity:
1
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Steel
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:
Fed 66 federal standard all material responses or federal 18-8, 300 series federal standard all material responses
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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