Part Number 91581A355

Hexagon Self-locking Nut

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Part Number
DEMIL
Shelf Life
UOM
NIIN
Part:
91581a355
Demil:
No
Shelf Life:
UOM:
NIIN:
015701858

Part Information
1/4-20 nylon lock nut

NSN
National Stock Number:
5310-01-570-1858 5310015701858
TXT
Description:
Hexagon Self-locking Nut
INC
INC
Item Name Code:
05277
MRC:
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.AAJD
Thread Class:
2
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:
Hexagon
MRC:
None.ADEA
Nut Height:
0.203 inches
MRC:
The national stock number or the identification information of the end equipment for which the item is a part.AGAV
End Application:
2540-01-566-6751; gunners seat and restraint system
MRC:
The shortest straight line between flats,perpendicular to the height.ASDB
Width Across Flats:
0.437 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:
Unc
MRC:
A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.CQFM
Hardness Rating:
32.0 rockwell c
MRC:
Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification.FEAT
Special Features:
Finish: black luster-coated; inch thread size: 0.250 inch-20; astm specifications: astm b117; note: coating does not interfere with thread enganement; withstands salt spray of 500 hours; nuts shorter than 4 inches are fully threaded; nuts longer than 4 inches are not continuously threaded
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Plastic nylon locking insert
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Steel except insert

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