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Cross Reference These part numbers have the same form, fit, and function of nas674v19h

Item Number Cage
NAS674V19H 80205

Characteristic Codes NAS674V19H spec. code meanings

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.
AAUR The length of a straight line which passes through the center of the grip, and terminates at the circumference.
ANEE A measurement of the longest dimension of the grip, in distinction from width.
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.
CRHC The style designation that most nearly corresponds to the appearance of the hole configuration.
AAUB The length of a straight line which passes through the center of a hole, and terminates at the circumference.
ASXK The number of holes provided.
BQDM Indicates the type of hole(s) provided in the item.
MATT The chemical compound or mechanical mixture properties of which the item is fabricated.
AHYM The nominal length of a straight line which passes through the center of the threaded portion, and terminates at the circumference.
MDCL The specification, standard, or manufacturers reference, and the classification designation, such as class, condition, temper, and the like, that identifies the material.
ZZZK The document designator of the specification or standard which established the item of supply.
CSYM Designates the specific surface roughness rating, representing the arithmetic average deviation of the surface from the meanline in profile.
CSYM Designates the specific surface roughness rating, representing the arithmetic average deviation of the surface from the meanline in profile.
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.

NAS674V19H Close Tolerance Bolt

Mfr. Cage 80205

Specification

Fastener Length: 1-5/8", Thread: 1/4-28, Thread Length: 3/8"

AASB Fastener Length
From 1.598" and 1.628"
AAUR Grip Diameter
From 0.2490" and 0.2495"
ANEE Grip Length
From 1.178" and 1.198"
AASU Head Height
From 0.125" and 0.140"
AASK Head Style
Hexagon
CRHC Hole Configuration Style
Hexagon corners
AAUB Hole Diameter
0.046 inches
ASXK Hole Quantity
3
BQDM Hole Type
Drilled
MATT Material
Titanium alloy uns r56400
AHYM Nominal Thread Diameter
0.250 inches
MDCL Material Spec
Ams4967 assn std single material response
ZZZK Specification
80205-nas674 professional/industrial association standard
AATB Width Between Flats
From 0.430" and 0.439"
CSYM Surface Finish
16.0 microinches threads
CSYM Surface Finish
63.0 microinches grip
AAJD Thread Class
3a
AAJF Thread Direction
Right-hand
AASA Thread Length
From 0.400" and 0.450"
CMLP Thready Qty Per Inch (tpi)
28
THSD Thread Series Designator
Unjf

Technical Definition

Bolt, Close Tolerance, also referenced with federal logistics item name code 27851 - An externally threaded fastener whose unthreaded portion is of a specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001) of an inch (0.025 mm) or less of a specific diameter for items one inch (25 mm) or less in diameter. items over one inch (25 mm) in diameter shall have a tolerance of fifteen ten-thousandths (0.0015) of an inch (0.038 mm) or less. the nominal major diameter of the threads shall be at least one thousandth (0.001) of an inch (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the screw thread standards, fed std h28 and/or other nationally recognized standards. the head is not designed to be held or driven with an inserted driver, nor is it designed for rotation by the thumb and fingers. a locking feature may be incorporated in the design of the head or threads. for items having close tolerance, and fabricated from material having 160,000 pounds per square inch (1100 megapascals) minimum tensile strength, see bolt, shear. for items fabricated from material having less than 160,000 pounds per square inch (1100 megapascals) minimum tensile strength and not having a close tolerance, see bolt, machine.
National Stock Number (NSN) 5306-00-001-4883

Last Modified: 02/14/2017