Part Number 21-904

Octagon Plain Nut

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Part Number
DEMIL
Shelf Life
UOM
NIIN
Part:
21-904
Demil:
No
Shelf Life:
UOM:
NIIN:
007411379
NSN
National Stock Number:
5310-00-741-1379 5310007411379
TXT
Description:
Octagon Plain Nut
INC
INC
Item Name Code:
16979
MRC:
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.AAJD
Thread Class:
3b
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 style designation indicating the configuration that most nearly corresponds to the appearance of the nut.ACTA
Nut Style:
Plain, octagon
MRC:
None.ADEA
Nut Height:
Between 0.305 inches and 0.319 inches
MRC:
The national stock number or the identification information of the end equipment for which the item is a part.AGAV
End Application:
W/s; trlr, cargo, 3/4t, 2-whl, tam d08607; guided missile, intercept; trailer tank, water 400 gal, m149a2; chassis, trlr, gp, 3 1/2t, 2-whl, tam d00807; cargo trailer, m105a3
MRC:
The shortest straight line between flats,perpendicular to the height.ASDB
Width Across Flats:
Between 3.344 inches and 3.406 inches
MRC:
A designation indicating the diameter-pitch combination and the number of threads per measurement scale applied to a series of diameters.BZRR
Thread Series:
Un
MRC:
Those features,not otherwise specified,which may be required for proper functioning of the item.CBBL
Features Provided:
Casehardened
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:
A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.CQFM
Hardness Rating:
Between 89.0 rockwell superficial 15-n and 91.0 rockwell superficial 15-n
MRC:
A designation that is used for the purpose of general identification of the thread.CQJX
Thread Size:
2.625 inches
MRC:
The included angle of the countersink.CRSQ
Countersink Angle:
90.0 degrees nut and 100.0 degrees nut
MRC:
Indicates the type of bearing surface.CRTM
Bearing Surface Type:
Chamfered or washer faced
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Steel comp 1015 or steel comp 1016 or steel comp 1017 or steel comp 1018 or steel comp 1019 or steel comp 1020 or steel comp 1022 or steel comp 1023 or steel comp 1025

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