Part Number 1M644

Hexagon Head Cap Screw

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Part Number
DEMIL
Shelf Life
UOM
NIIN
Part:
1m644
Demil:
No
Shelf Life:
UOM:
NIIN:
002537630
NSN
National Stock Number:
5305-00-253-7630 5305002537630
TXT
Description:
Hexagon Head Cap Screw
INC
INC
Item Name Code:
18257
MRC:
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.AAJD
Thread Class:
2a
MRC:
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.AASA
Thread Length:
1.625 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:
2.250 inches
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.AASK
Head Style:
Hexagon
MRC:
A measurement from the bottom to the top of the head,in distinction from depth.AASU
Head Height:
Between 0.270 inches and 0.295 inches
MRC:
None.AATB
Width Between Flats:
Between 0.551 inches and 0.562 inches

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