Part Number 2657040

Shouldered Shaft

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Part Number
DEMIL
Shelf Life
UOM
NIIN
Part:
2657040
Demil:
No
Shelf Life:
UOM:
NIIN:
011396846

Part Information
1st end 6th step threaded, 0.3125-24unjf-3a; thd 0.280 in. Lg; 1st end 8th step involute spline, 14 teeth, diametral pitch 40/80, pressure angle 45 deg, 0.320 in. Root dia, 0.350 in. Pitch dia, 0.370 in. Od; largest step also involute spline, 19 teeth, diametral pitch 38, pressure angle 20 deg, 0.433 in. Root diameter max, 0.500 in. Pitch dia, 0.550 in. Major dia, 0.4698 in. Base circle dia

NSN
National Stock Number:
3040-01-139-6846 3040011396846
TXT
Description:
Shouldered Shaft
INC
INC
Item Name Code:
22914
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the first end.AAGZ
First End Style:
Plain
MRC:
A term used to identify the ends as identical or not identical.AAHN
End Similarity:
Not identical
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the second end.AAHP
Second End Style:
Splined (involute)
MRC:
The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.ABHP
Overall Length:
8.100 inches
MRC:
The length of a straight line which passes through the center of the first end,and terminates at the circumference.AMDL
First End Diameter:
0.1850 inches
MRC:
The length of a straight line which passes through the center of the second end,and terminates at the circumference.AMFZ
Second End Diameter:
0.1875 inches
MRC:
A measurement of the longest dimension of the second end spline,in distinction from width.AMGA
Second End Spline Length:
0.580 inches
MRC:
The length of a straight line which passes through the center of the smallest circular cross section of the second end spline,and terminates at the circumference.AMGB
Second End Spline Minor Diameter:
0.1740 inches
MRC:
The length of a straight line which passes through the center of the largest circular cross section of the second end spline,and terminates at the circumference.AMGC
Second End Spline Major Diameter:
0.1875 inches
MRC:
None.AMGE
Second End Pressure Angle:
45.000 degrees
MRC:
A measurement indicating the diameter-pitch per measurement scale of the second end.AMGF
Second End Pitch Diameter:
0.1820 inches
MRC:
The number of steps provided.ATPC
Step Quantity:
18
MRC:
None.BDSR
Second End Spline Quantity:
36
MRC:
The length of a straight line which passes through the center of the largest step,and terminates at the circumference.CSPY
Largest Step Diameter:
0.550 inches
MRC:
Designates the specific surface roughness rating,representing the arithmetic average deviation of the surface from the meanline in profile.CSYM
Surface Finish:
125.0 microinches
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Stainless steel
MRC:
The justification for the assignment of a federal supply class /fsc/ to an item based on the classification of the next higher classifiable assembly.ZZZV
Fsc Application Data:
Fuel system, aircraft engine

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