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NSN: 5306-00-001-4861
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Cross Reference

These part numbers have the same form, fit, and function of nas676v27d
Item Number Cage
NAS676V27D 80205

Characteristic Codes

NAS676V27D spec. code meanings
Code Translation
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.
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.
AASK The style designation indicating the configuration that most nearly corresponds to the appearance of the head.
AASU A measurement from the bottom to the top of the head, in distinction from depth.
AAUR The length of a straight line which passes through the center of the grip, and terminates at the circumference.
AAWB The length of a straight line which passes through the center of the shank unthreaded hole, and terminates at the inside circumference.
AHYM The nominal length of a straight line which passes through the center of the threaded portion, and terminates at the circumference.
ANEE A measurement of the longest dimension of the grip, in distinction from width.
CMLP The number of threads on the item per linear inch measured on a line parallel to the thread axis.
CRZS The distance from the shank hole centerline to the largest bearing surface of the head.
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.
MATT The chemical compound or mechanical mixture properties of which the item is fabricated.
MDCL The specification, standard, or manufacturers reference, and the classification designation, such as class, condition, temper, and the like, that identifies the material.
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.
ZZZK The document designator of the specification or standard which established the item of supply.

NAS676V27D

Description: Close Tolerance Bolt
Mfr. Cage 80205

Specification

Thread Length: 9/16", Fastener Length: 2-17/64", Thread: 3/8-24, Grip Length: 1-11/16", titanium alloy uns r56400 overall

AAJD Thread Class
3a
AAJF Thread Direction
Right-hand
AASA Thread Length
From 0.553" and 0.603"
AASB Fastener Length
From 2.251" and 2.281"
AASK Head Style
Hexagon
AASU Head Height
From 0.188" and 0.203"
AATB Width Between Flats
From 0.553" and 0.564"
AAUR Grip Diameter
From 0.3740" and 0.3745"
AAWB Shank Unthreaded Hole Diameter
0.106 inches minimum first hole and 0.116 inches maximum first hole
AHYM Nominal Thread Diameter
0.375 inches
ANEE Grip Length
From 1.678" and 1.698"
CMLP Thready Qty Per Inch (tpi)
24
CRZS Distance From Head Largest Bearing Surface To Shank Hole Center
2.040 inches minimum first hole and 2.090 inches maximum first hole
CSYM Surface Finish
16.0 microinches threads
CSYM Surface Finish
63.0 microinches grip
MATT Material
Titanium alloy uns r56400
MDCL Material Spec
Ams4967 assn std single material response
THSD Thread Series Designator
Unjf
ZZZK Specification
80205-nas676 professional/industrial association standard

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): 5306-00-001-4861

Last Modified: 02/14/2017