Part Number 5139988

Machine Screw

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Part Number
DEMIL
Shelf Life
UOM
NIIN
Part:
5139988
Demil:
No
Shelf Life:
UOM:
NIIN:
005139988

Part Information
Includes external serrations: 24; pitch diameter: 0.3906 in; major dia: 0.408 in; circular tooth width, min dim: 0.022 in; max effective w/gage: 0.025 in; mates w/pn 5139987; final protective finish; manganese phosphate base, type m, class 1, w/vv-l-800 supplementary oil treatment or zinc phosphate base, type z, class 1, w/vv-l-800 supplementary oil treatment

NSN
National Stock Number:
5305-00-513-9988 5305005139988
TXT
Description:
Machine Screw
INC
INC
Item Name Code:
06657
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:
0.950 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:
0.390 inches
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.AASK
Head Style:
Spline drive shear head
MRC:
A measurement from the bottom to the top of the head,in distinction from depth.AASU
Head Height:
0.390 inches
MRC:
None.AAZH
Head Minor Diameter:
0.408 inches
MRC:
The national stock number or the identification information of the end equipment for which the item is a part.AGAV
End Application:
Ht tpd mg 7.62mm m122
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:
0.375 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):
16
MRC:
The chemical compound or mechanical mixture properties of which the screw is fabricated.CYAU
Screw Material:
Steel
MRC:
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the screw material.CYAW
Screw Material Specification:
Astma108 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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