Part Number
DEMIL
Shelf Life
UOM
NIIN
Part Information
Bolt, 12 point head, 200 ksi min tensile, a286 cres; inavy: bolt, shear, aircraft
NSN
National Stock Number:
TXT
Description:
Ribbed Neck Bolt
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:
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.AASA
Thread Length:
0.455 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:
0.860 inches
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.AASK
Head Style:
Double hexagon w/hole
MRC:
A measurement from the bottom to the top of the head,in distinction from depth.AASU
Head Height:
0.235 inches
Width Between Flats:
Between 0.305 inches and 0.313 inches
Extended Washer Diameter:
0.470 inches
Extended Washer Thickness:
0.042 inches
MRC:
A measurement of the longest dimension of a rib along a line parallel to the longitudinal axis.AAVQ
Rib Length:
0.090 inches
MRC:
The number of ribs included on the item.AAVU
Rib Quantity:
12
MRC:
The national stock number or the identification information of the end equipment for which the item is a part.AGAV
End Application:
Mv-22 aircraft (v-22 lrip 1 e-nsn isil)
MRC:
The nominal length of a straight line which passes through the center of the threaded portion,and terminates at the circumference.AHYM
Thread Diameter:
0.250 inches
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):
28
MRC:
The included angle between the ribs.CRKB
Rib Included Angle:
30.0 degrees
MRC:
The master requirement codes of those requirements which are technically critical by reason of tolerance,fit,performance,or other characteristics which affect identification of the item.CRTL
Criticality Code Justification:
Feat
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:
These bolts are intended for tension applications where high strength, fatigue resistance, toughness and corrosion and oxidation resistance are necessary or desirable; essential to weapon system performance or operation, or the preservation of life or safety of operating personnel
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Iron alloy 660
MRC:
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.MDCL
Material Specification:
Ams5737 assn standard single material response
MRC:
The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material.STDC
Surface Treatment Specification:
Ams-qq-p-416, type 2, class 2 assn standard single treatment response
MRC:
A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.THSD
Thread Series Designator:
Unjf
