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NSN: 5306-00-001-4766
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Part Numbers

Item Number Item Description
1611208PC157 Bolt, Machine
82-0227-0250 Bolt, Machine

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.
CBBL Those features, not otherwise specified, which may be required for proper functioning of the item.
ANEE A measurement of the longest dimension of the grip, in distinction from width.
CQFM A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.
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.
MDCL The specification, standard, or manufacturers reference, and the classification designation, such as class, condition, temper, and the like, that identifies the material.
MATT The chemical compound or mechanical mixture properties of which the item is fabricated.
CQBC The maximum rated load in tension applied in a longitudinal direction, per unit of cross-sectional area, that the material can withstand without rupture.
AHYM The nominal length of a straight line which passes through the center of the threaded portion, and terminates at the circumference.
AAUM An element inserted into the fastener, or a design feature, that enables the fastener to effectively resist vibration and rotation.
STDC The specification, standard, or manufacturers reference, and the classification designation, such as type, class, grade, and the like, that identifies the surface treatment material.
SFTT The metallic, nonmetallic, and/or chemical properties with which the item is plated, dipped, and/or coated.the treatment is designed to protect the surface(s) and cannot be wiped off.
AAJD A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
AAJF 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.
AASA A measurement of the extent of threads, including incomplete threads, along a line parallel to the longitudinal axis.
CMLP The number of threads on the item per linear inch measured on a line parallel to the thread axis.
THSD A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.

1611208PC157 Machine Bolt

Cage 04664

Technical Definition

Bolt, Machine, also referenced with federal logistics item name code 01847 - An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. the threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. the head is not designed to be held or driven with an inserted driver or by the thumb and fingers. a locking feature may be incorporated in the design of the head or threads. head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. for items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, bolt, shear. see also screw, cap, hexagon head and screw, machine.

Technical Characteristics

Fastener Length (AASB):
2.500 inches nominal
Features Provided (CBBL):
Finished head
Grip Length (ANEE):
0.750 inches nominal
Hardness Rating (CQFM):
25.0 rockwell c minimum overall and 34.0 rockwell c maximum overall
Head Height (AASU):
0.455 inches minimum and 0.524 inches maximum
Head Style (AASK):
Material Document And Classification (MDCL):
Sae gr 5 assn std single material response overall
Material (MATT):
Steel overall
Minimum Tensile Strength (CQBC):
120000 pounds per square inch
Nominal Thread Diameter (AHYM):
0.750 inches
Locking Feature (AAUM):
Pellet threads
Width Between Flats (AATB):
1.088 inches minimum and 1.125 inches maximum
Surface Treatment Document And Classification (STDC):
Qq-z-325,ty 2,cl 3 fed spec single treatment response overall
Surface Treatment (SFTT):
Zinc overall
Thread Class (AAJD):
Thread Direction (AAJF):
Thread Length (AASA):
1.750 inches minimum
Thread Quantity Per Inch (CMLP):
Thread Series Designator (THSD):

National Stock Number (NSN)