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NSN: 5310-00-001-1843
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Cross Reference These part numbers have the same form, fit, and function of 123hm10019-511

Item Number Cage
123HM10019-511 26512

Characteristic Codes 123HM10019-511 spec. code meanings

Code Translation
AGGP The length of a straight line which passes through the center of a drilled hole, and terminates at the circumference.
CSXL Designates the specific roughness rating of the bearing surface, representing the arithmetic average deviation of the surface from the meanline in profile.
CRTM Indicates the type of bearing surface.
CRSQ The included angle of the countersink.
CRHC The style designation that most nearly corresponds to the appearance of the hole configuration.
ALET Indicates the type and number of holes provided.
MATT The chemical compound or mechanical mixture properties of which the item is fabricated.
CQJX A designation that is used for the purpose of general identification of the thread.
ACTA The style designation indicating the configuration that most nearly corresponds to the appearance of the nut.
MDCL The specification, standard, or manufacturers reference, and the classification designation, such as class, condition, temper, and the like, that identifies the material.
ASDB The shortest straight line between flats, perpendicular to the height.
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.
CMLP The number of threads on the item per linear inch measured on a line parallel to the thread axis.
BZRR A designation indicating the diameter-pitch combination and the number of threads per measurement scale applied to a series of diameters.

123HM10019-511 Hexagon Plain Nut

Mfr. Cage 26512

Specification

steel comp 410 overall Thread Size: 1-3/4", Nut Height: 21/64", Width across flats: 2-15/64"

AGGP Drilled Hole Diameter
0.068 inches
CSXL Bearing Surface Finish
125.0 microinches
CRTM Bearing Surface Type
Flat
CRSQ Countersink Angle
120.0 degrees nut
CRHC Hole Configuration Style
Configuration b
ALET Hole Type And Quantity
3 drilled
MATT Material
Steel comp 410
CQJX Nominal Thread Size
1.750 inches
ADEA Nut Height
From 0.328" and 0.358"
ACTA Nut Style
Hexagon
MDCL Material Spec
Ams 5612 assn std single material response
ASDB Width Across Flats
From 2.222" and 2.252"
STDC Surface Treatment Spec
Qq-p-35 fed spec single treatment response
SFTT Surface Treatment
Passivate
AAJD Thread Class
3b
AAJF Thread Direction
Right-hand
CMLP Thready Qty Per Inch (tpi)
16
BZRR Thread Series
Unj

Technical Definition

Nut, Plain, Hexagon, also referenced with federal logistics item name code 01857 - A nut, flat on top and bottom having 6 flat sides. for items which have internal tapered or straight (parallel) pipe threads, specific electrical conduit size designation, and which when installed, provide a method of tightening to lock the connection, see locknut, electrical conduit. see also locknut, tube fitting. for items having a thickness (or height) exceeding two times the width across the flats, use post, electrical-mechanical equipment. (when height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)
National Stock Number (NSN) 5310-00-001-1843

Last Modified: 02/14/2017