Part Number 12939

Externally Threaded Ring

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Part Number
DEMIL
Shelf Life
UOM
NIIN
Part:
12939
Demil:
No
Shelf Life:
UOM:
NIIN:
012321884

Part Information
20 equally spaced notches on the inner face; counterbore 3.500 in. Dia, 0.250 in. Deep

NSN
National Stock Number:
5365-01-232-1884 5365012321884
TXT
Description:
Externally Threaded Ring
INC
INC
Item Name Code:
08417
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:
Indicates whether or not a ferrous alloy object has been subjected to a process whereby the outer portion is made substantially harder than the inner portion or core.AASG
Casehardening Indicator:
Not casehardened
MRC:
The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.ABHP
Overall Length:
0.812 inches
MRC:
Designates the thread diameter and number of threads per specific measurement scale.ABUJ
Thread Size:
0.500-16
MRC:
The length of a straight line which passes through the center of a circular bore,and terminates at the circumference.ABXV
Bore Diameter:
2.625 inches
MRC:
The physical configuration of the bore.AGZD
Bore Shape:
Straight
MRC:
A designation distinguishing one group of screw thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.AJYP
Screw Thread Series Designator:
Un
MRC:
An indication of whether or not a beveled thread is included.AWPH
Beveled Thread:
Not included
MRC:
An indication of whether or not a bore annular internal serration/s/ is included.AWPK
Bore Annular Internal Serration:
Not included
MRC:
An indication of whether or not a setscrew locking notch is included.AWPL
Setscrew Locking Notch:
Not included
MRC:
The element,compound,or mixture of which an item is fabricated,excluding any surface treatment.MATL
Material:
Steel, 46s27, grade 7 fscm 38056
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Steel, 46s27, grade 7 fscm 38056

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