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Part Numbers

Item Number Item Description
SMB587701 Bolt, Internally Relieved Body

Master Requirement Codes

Code Translation
AASB 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.
AASU A measurement from the bottom to the top of the head, in distinction from depth.
AASK The style designation indicating the configuration that most nearly corresponds to the appearance of the head.
AAVH The length of a straight line which passes through the center of a shoulder, and terminates at the circumference.
AAVK The length of the enlarged portion/s/ located on the shank of the item.
AAJD A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
AASA A measurement of the extent of threads, including incomplete threads, along a line parallel to the longitudinal axis.

SMB587701 Internally Relieved Body Bolt

Cage 80063

Technical Definition

Bolt, Internally Relieved Body, also referenced with federal logistics item name code 06676 - An externally threaded fastener whose external threaded portion is of one nominal diameter. it has a concentric hole along the longitudinal centerline which may extend a part or the full length of the bolt. the concentric hole along the centerline may be counterbored and/or internally threaded at the head end or the bolt end. the head is designed to be held or driven by an external and/or internal driver. for items having a hole(s) perpendicular to the axis which meet the concentric hole along the longitudinal centerline, see bolt, fluid passage.

Technical Characteristics

Concentric Hole Depth (AAWX):
0.330 inches maximum
Fastener Length (AASB):
0.785 inches nominal
Head Height (AASU):
0.365 inches nominal
Head Style (AASK):
Shoulder Diameter (AAVH):
0.240 inches nominal
Shoulder Length (AAVK):
0.093 inches nominal
Width Between Flats (AATB):
0.437 inches nominal
Thread Class (AAJD):
Thread Length (AASA):
0.500 inches minimum

National Stock Number (NSN)